10 Cheapest 4K Projectors on the Market – Reviews and Buying Guide

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Daniel
Daniel
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Daniel is among our most talented writers: based on the dull expert reports he's able to make up a comprehensive, reader-friendly article which anyone can benefit from. Also read more
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Reviewed By
Tom
Tom
Tom
Expert Consultant
Initially being an engineering specialist, Tom has never stopped learning and acquiring other knowledge and skills. Now he’s involved in technical support for a well-known read more
Last updated: August 30, 2023
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4K projectors are now more affordable than ever. But what does 4K actually mean? Well, 4K resolution refers to a horizontal screen display resolution and the organic, bright, and clear picture which is 4,000 pixels of pure resolution. In digital cinematography, in tv and consumer media, 4K television and projectors are the dominant standard. They are the best, they’re what we compare all other media displays against, and in recent years, they have moved from being entirely unaffordable to just under $500 for a 4K television and under $3,000 for the cheapest 4K projectors.

In the following buying guide, we’ve reviewed ten of these top projectors, the first set of criteria being the price of each projector for your home – we’ve found the best quality models at the most resonable prices. However, if you’re looking to spend less than $1000, then take a look at our guide to the best projectors under $1000. Other criteria which helped us narrow down this list was a projectors’ display technology, the type of chips and components used to refract and reflect and project light, and whether these chips created the true 3,820 x 2,160-pixel image associated with 4K. Brightness and contrast, the intensity and colors of the projected picture compared to its clarity and quality was also our consideration. Finally, each projector had to exhibit an excellent throw distance for small to standard sized rooms and lamp life sufficient to make the purchase outlive its initial expense.

Our research into the facets of these projector models included a hands-on investigation into the manufacturers of these products. Additionally, we talked to verified customers about their purchase and how it had been working, including any pro’s or con’s they’ve noticed since. In the following guide, these products and our research are organized into comprehensive charts listing their individual details as well as in-depth descriptions of each device. Following these charts in the buying guide providing general information and tips which will inform any buyer about 4k projectors and help you purchase not only the cheapest 4k projector on the market but also the best.

Quick Summary

  • Editor's Choice: Optoma UHD50
    "Multiple remote control options and vibrant reproduction of color and shape"
  • Most Compatible: Optoma UHD51A
    "Voice-controlled projector with an excellent picture quality boosted by the UltraDetail Technology"
  • Easiest Installation: Optoma UHD60
    "Highly rated by CNET, it boasts the highest quality among the cheapest 4K projectors and is surprisingly quiet and easy to install"
  • Best for Amazing Color: BenQ HT3550 4K
    "With 4-times the resolution of Full HD 1080p, 4K UHD reduces pixel blur for impressive clarity and crisply defined fine details"
  • Budget Pick: ViewSonic PX727-4K
    "Affordable projector, yet boasting lifelike colors and an amazing 3-year warranty"
  • Best Basic Model: JIFAR Store Projector
    "An excellent projector for simple and versatile use, it is one of the most complete Chinese projectors to date."
  • The Quietest Projector: Epson Home Cinema 4000 3LCD
    "Features HDR10 compatibility and the Tri-Stimulus Motion Technology for vivid colors"
  • Longest Lamp Life: LG HU80KA
    "Outstanding 20,000-hour lamp life and auto keystone alignment for easy setup"
  • Best Mini Projector: XGIMI Elfin Mini Projector
    "XGIMI Elfin Mini Projector is lightweight, budget-friendly and equipped with a number of features that are great for an entry-level model."
  • "Great combination of quality and price, with 1080p HD resolution and built-in speakers featuring amazing sound quality."

10 Cheapest 4K Projectors Review 2024

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1
Editor's Choice

Optoma UHD50

Features
  • Brightness: 2,400 ANSI lumens
  • Contrast: 500,000:1
  • Resolution: 3,840 x 2,160 px
  • Throw distance: 2.9– 34.89′
  • Screen size: 34.1– 302″
  • Lamp life: 4,000 hours (high mode)
  • Warranty: 1-year limited

More features: HDR technology with HDR10 and DCI-P3 wide color gamut support

One of the best projectors for gaming on the market, this machine creates 2,400 lumens of brightness and couples them with an amazing dynamic resolution of 500,000: 1 – meaning all image details are enhanced, including dark areas of an image, and the latency of your image will only drag less than 40ms. Where human reaction time is 250ms, this means your game in 4K resolution with HDR10 color capability will only lag 10% of what other projectors would.

Unlike cheaper projector units, all game and video text will be clear and precise with vibrant reproduction of color and shape created by XPR technology – DMD mirrors which shift at the microsecond level through a comprehensive color wheel for an extraordinary UHD 4K experience and wide-range color gamut (brighter whites, deeper blacks, and intense colors).

Gaming aside, movies watched on this projector will be fully realized in all their unique frames with enhanced detail and colors the directors meant for an audience to see. Additionally, this model’s installation is easy and allows for ceiling mounting as well as a non-keystone automatic alignment system with a flexible 1.3x zoom and vertical shifting lens.

It’s compatible with all your HDMI devices with available analog audio input as well as MHL compatibility for connecting all your mobile devices such as iPads and smartphones.

    What are our favorite features?
  • HDMI 2.0 and HDCP 2.2 for UHD bandwidth
  • HDMI compatible with an HDR mode for all your devices
  • Built-in dual 5W speakers
  • Controllable via Ethernet, universal remote, or the included IR remote control
    What could be better?
  • Weak cover can make for some light bleed out the unit’s back
  • Louder internal fan system than most competitors
  • Slower 4x pixel shift
  • 1-year warranty
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9.1
9.6
2
Most Compatible

Optoma UHD51A

Features
  • Brightness: 2,400 ANSI lumens
  • Contrast: 500,000:1
  • Resolution: 4,096 x 2,160 p
  • Throw distance: 2.9’– 34.89′
  • Screen size: 34.1″– 302.4″
  • Lamp life: 4,000 hours (high mode)
  • Warranty: 2-year limited

More features:  HDMI 2.0 with HDCP 2.2 connectivity, compatible with Google Assistant

Not only is this another fantastic unit from Optima, but it also allows you to control your multimedia content through an in-built Amazon Alexa voice control. Now you can ask your device to turn on and watch as the XPR technology warms up and projects UHD 4K images on screen through dynamic DMD mirrors shifting each frame of your movie or game within microseconds.

All aspects of the image are outputted with 2,400 ANSI lumens and a contrast ratio of 500,000:1 for better detail in each image within 8.3-million pixels. Modes detailed into the device are: normal, bright, and film/picture mode – each compatible with UltraDetail technology with its enhanced image quality and augmented depth and clarity.

Alexa compatibility (also compatible with Google Assistant) allows the user to power projector on and off, adjust volume – with built-in dual 5W speakers, change input sources (TV to gaming system to computer, etc.), change playback settings, and change installation specifications.

Installation is easy and includes automatic alignment with a vertical lens shift and 1.3x zoom making for the more flexible screen and resolution control for any sized space (maximum screen size 302.4 inches). Additional features include a remote control, compatibility with all computers, support for PDF and other presentations, as well as an integrated web-browser.

    Why are we impressed?
  • Alexa voice-controlled projector
  • Comes with an additional remote
  • UltraDetail Technology
  • Pure Motion setting
  • 2-year warranty
    What negatives must you be aware of?
  • Lag time is 60ms and higher with Pure Motion turned off
  • Non-HDMI devices may require additional adapters for compatibility
  • Lagging warm-up time (especially between settings)
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3
Easiest Installation

Optoma UHD60

Features
  • Brightness: 3,000 lumens
  • Contrast: 1,000,000:1
  • Resolution: 3,840 x 2,160p
  • Throw distance: 4.2’– 30.5′
  • Screen size: 26.45″– 302.2″
  • Lamp life: 4,000 hours (high mode)
  • Warranty: 2-year limited

More features: REC.2020 wide color gamut, 1073.4 million displayable colors

Optoma is guaranteed one of the best manufacturers for home theater HD projectors. With this model, in particular, they deliver a high-quality state-of-the-art 4K UHD display with a 2020-wide color gamut – meaning over 1,073.4 million rich life-like displayable colors. The image itself is equipped with a vertical lens shift and 1.6X zoom for virtually any sizing on a wall under 305 inches long.

Resolution is razor sharp 4K imaging with 3,840 x 2,160 pixels, creating 8.3-million individual dynamic images on screen which all come together to make your one-of-a-kind presentation or movie.

This model’s technology utilizes a single DLP chip to make setup easy with an alignment-free image. There are dual 4W stereo speakers built in to the unit which create loud and crisp audio and are additionally supported by a quiet fan unit to keep all components – including the adjustable lamp with a 10,000-hour dynamic lamp life – from overheating during any point during your movie, gameplay, vacation slide-show, or any other picture-viewing experiences.

For your home or even the office, this projector supports all devices – although, you may need to purchase additional connecting cords – from your laptop computer to your DVD-players and all gaming systems. It’s already very easy to install with comprehensive instructions and ceiling mounts, but can be purchased with the option of professional installment specific for your room.

    Why are we impressed?
  • Easy installation without the need for keystone adjustment
  • 4K resolution with 8.3-million dynamic picture units
  • 3,000-lumen lamp
  • 2-year warranty
    What negatives must you be aware of?
  • 48ms lag for gaming devices
  • Moderately-priced unit
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4
Best for Amazing Color

BenQ HT3550 4K

Features
  • Brightness:2000 ANSI lumens
  • Contrast:30,000:1
  • Resolution:3,840 x 2,160p
  • Throw distance:13’– 1.47′
  • Screen size:120”
  • Lamp life:15,000 hours
  • Warranty:3-year limited

More features: 8. 3 million pixels deliver 4K UHD image, DLP Technology, 10-element lens array, HDR-Pro tone mapping

The BenQ HT3550 offers extra-high resolution. 10-element lens array is structured into eight groups with metal barrel and cell framework, for long-lasting 4K intensity with high-quality color performance, clarity, and sharpness across the entire screen.

 

The projector’s profile is minimized thanks to the new generation 0.47” single-DMD DLP technology, while still producing 4K UHD 3840×2160 resolution with 8.3 million distinct pixels for each frame. With 4-times the resolution of Full HD 1080p, 4K UHD reduces pixel blur for impressive clarity and crisply defined fine details. And it also provides the highest dynamic contrast based on 95% DCI-P3 color gamut, ideal for 4K HDR Blu-rays and streaming HLG content in convenient AV room settings. Plus, the Cinema Mode allows you to enjoy heightened brightness to reproduce Rec. 709 color accuracy for enjoying 1080p movies in higher ambient brightness.

 

The manufacturer announces a brightness of 2,000 lumens, a contrast of 30,000: 1 and a lamp life of 15,000 hours in eco mode (4,000 hours in standard).

 

BenQ CinemaMaster Audio+ 2 audio-enhancing technology, upgraded with a wider frequency range from stereo 10-watt audio housed in a resonant sound chamber for deep bass and soaring highs, it also provides EQ algorithms for better clarity and sensual sound quality as used in Hollywood.

 

But unfortunately this model has limited placement flexibility and can appear to be a bit noisy when at full power. But probably the most inconvenient is the absence of the wired or wireless networking. But if you don’t mind these downsides, the unforgettable experience is guaranteed.

    What do we love it for?
  • Supports both HDR10 and HLG
  • ISF Certified
  • HDMI with 18Ghz speed
  • MediaPlayer
    What were we disappointed with?
  • No Wired or Wireless Networking
  • Limited placement flexibility
  • No lens memory for working with wide screens
  • Short throw design
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5
Budget Pick

ViewSonic PX727-4K

Features
  • Brightness: 2,200 lumens
  • Contrast: 12,000:1
  • Resolution: 3,840 x 2,160p
  • Throw ratio: 1.50:1– 1.80:1
  • Screen size: 29 – 300″
  • Lamp life: 4,000 hours (high mode)
  • Warranty: 3-year limited

More features: Rec. 709, and Rec. 2020 compatibility, SuperEco mode

Despite being one of the bulkier projectors – making installation somewhat harder – the heavy components and figure of this projector are necessary for creating a media experience which will even rival the movies you watch in immersive theaters.

Projecting in 4K UHD (3,440 x 2,160) resolution and with 4X Full HD clarity, all images will be crisp, colorful, and organic with a very little lag and next to no blurriness per individual pixel image. This projector can be blown up to a screen size of up to 300 inches, brightened by 2,200 lumens, and the lamp life (on high mode) will last up to 4,000 hours of play time (15,000 hours on power-saver mode).

For a cinematic color design, this projector utilizes a RGBRGB color wheel equipped with REC 709 and 2020 HDR compatibility. All colors are lifelike and bright with whiter whites and deeper blacks at 2x the speed for less lag and no fear of ‘rainbow effect’ on screen.

The flexible connectivity of this device supports almost all media elements – from your desktop computer and laptop to your gaming consoles and USB’s – and any other media players or DVD-player which support HDMI1.4. The entire system is controlled with an included remote, which makes for ease of use for ceiling mounted devices. Installation is easy with a wider optical zoom over a standard 1.2x optical zoom, and with included automatic adjustment settings.

    What makes it stand out?
  • Lifelike and bright colors
  • Rec 709 & Rec. 2020 compatibility
  • Remote control included
  • Straightforward installation with wider optical zoom and vertical lens shift
  • Amazing 3-year warranty
    Which disadvantages must you keep in mind?
  • Not compatible with 3D imaging
  • Ceiling mount is suggested for optimal use of the design
  • Louder fan noises
  • 10W speaker (higher power consumption)
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Consumer Engagement
Chosen by 2391 people in the past 30 days
8.8
Customer Feedback
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8.5
Brand Reputation
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8.7
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8.3
8.8
6
Best Basic Model

JIFAR Store Projector

Features
  • Brightness: 9500 Lux
  • Contrast: 10000:1
  • Resolution: 1920 × 1080
  • Throw distance: 1.5-7m
  • Screen size: 60-450 inch
  • Lamp life: 100,000 hours
  • Warranty: 3-year

More features: WiFi & Bluetooth connection, 6w dual HiFi stereo speakers, support HDMI/VGA/USB/SD/AV/TV

The JIFAR Store Projector is a 1080P projector providing quality images. It is 5G WiFi network, IOS, and Android compatible. The WiFi allows for synchronization between your smart device and the projector. You can stream movies, slideshows, and presentations directly from your phone or computer. The projector is often a favorite for gamers, as it includes a large display screen. It has built-in 6w dual Hi-Fi speakers. The JIFAR Store Projector supports HDMI/VGA/USB/SD/AV/TV audio input and output. You can connect your gaming system, external speakers, computer or PC, and phone to the projector.

In comparison to like or similar models, the JIFAR Store Projector offers better features and warranties. It has a 6-month return policy and a three-year repair warranty. Other projectors with similar features doubled in price. You can enjoy all the benefits of a technologically advanced projector without paying a lot of money.

We found The JIFAR Store Projector as the most cost-effective and basic projector on the market. It has all the features to set up a presentation or relax and watch a movie without the added cost. You can stream clear videos without paying thousands of dollars. We loved its versatility and convenience.

    What makes it special?
  • Affordable price
  • IOS/Android compatible
  • Bluetooth feature
  • 1080P resolution
  • Audio output and input options
  • 6W Dual Hi-Fi internal speakers
    What cons did we find?
  • Must have strong WiFi capabilities
  • Does not include a stand
  • Requires close range screen
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8.7
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8.5
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8.3
8.7
7
The Quietest Projector

Epson Home Cinema 4000 3LCD

Features
  • Brightness: 2,200 Lumens
  • Contrast: 140,000:1
  • Resolution: 1,920 x 1,080 px, 4k enhancement
  • Throw ratio: 1.35 to 2.84:1
  • Screen size: 50″– 300″
  • Lamp life: 3,500 hours (high mode)
  • Warranty: 2-year limited

More features: 3-Chip, 3LCD Design – 3LCD technology, HDR10, 100% balanced color brightness

Take advantage of the HDR and UHD content provided by the projector with its 4K enhancement technology and 2,200 lumens of color and white brightness for a range of different lighting conditions at a dynamic contrast ratio of 140,000:1.

Enhanced detail, quicker changes between images with little to no lag, and stark colors are delivered by this model in full HD 1,920 x 1,080 native resolution. This device will upscale all your cheaper 1,080p projectors and revolutionize each movie in 8.3-million individual pixels.

On top of its sharp picture and pixels, this home theater is designed with multiple options for correcting your image for ideal movie viewing or game-play; horizontal or vertical keystone correction allows for the best image at a throw ratio of 1.35 to 2.84.

Additional elements of a 2.1x zoom and a vertical lens shift make installation easy and any room convenient for a screen size of 50–300 inches. This model features VGA and two HDMI inputs for connecting standard definition and HD sources; the whole system comes with an IR remote control for optimal use of a ceiling mounted system or the projector at a distance.

The only downside to this projector is that, although boasting an outstanding image due to its 3LCD technology and having 4K enhancement, this projector is not actually 4K.

    What do we love it for?
  • HDR10 compatible for vivid color
  • Tri-Stimulus Motion Technology
  • Very simple installation
  • 2-year warranty
    What were we disappointed with?
  • Not compatible with 3D imaging
  • No analog audio-out jack
  • Adapters may be needed for non-HDMI
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Consumer Engagement
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8.6
Customer Feedback
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8.3
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8.2
Features & Benefits
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8.4
8.6
8
Longest Lamp Life

LG HU80KA

Features
  • Brightness: 2,500 lumens
  • Contrast: 150,000:1
  • Resolution: 3,840 x 2,160p
  • Throw distance: 3.6– 14.1′
  • Screen size: 40″– 150″
  • Lamp life: 20,000 hours
  • Warranty: 1-year limited

More features: LG Smart TV enabled, Wi-Fi, Bluetooth

One of the smartest projection devices for your home theater and big screen, this model uses integrated Wi-Fi and Ethernet to connect to all your internet-capable devices and mirror content onto a screen of 40 to 150 inches, depending on the size of your wall and type of installation.

The projector has a maximum brightness of 2,500 lumens and uses advanced XPR technology to UHD images on your screen or wall with color HDR10 compatibility. You’ll get brighter more vibrant colors produced by imaging processing technology reflected of two DMD mirrors capable of shifting images at the microsecond level. Each frame will consist of 2 pixels for a truly UHD 4K experience with 8.3-million pixels per entire image and an advanced color spectrum with whiter whites, deeper blacks, and over 500 million other intense colors directors designed into their films, which you’d never noticed were there to begin with.

Using the webOS technology and a Smart TV platform, this projector is designed to offer fast discovery of premium movies and TV from a variety of media providers. The light source alone (on energy saver mode) can live up to 20,000 hours of continuous play; it is a unique laser lamp engineered to negate the need for changing a bulb.

With the added TruMotion technology, you can watch sports and fast-action movies with enhanced clarity and little to no lag between frames. Additional wireless screen share means any movie you play on your phone you can also share to the projector and play on your screen.

    What stands out?
  • Auto keystone alignment
  • Bluetooth compatibility
  • USB connections
  • Wired analog outputs
  • 2 7W built-in speakers
  • Outstanding lamp life
    What cons did we manage to find?
  • No HDMI connections (all wireless)
  • Complicated setup options (instructions included)
  • 1-year limited warranty
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Consumer Engagement
Chosen by 5290 people in the past 30 days
8.6
Customer Feedback
Customer Feedback
8.4
Brand Reputation
Based onweb analytics
8.5
Features & Benefits
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8.5
8.6
9
Best Mini Projector

XGIMI Elfin Mini Projector

Features
  • Brightness: 800 ANSI Lumens
  • Contrast: not specified
  • Resolution: 1920 x 1080
  • Throw ratio: 1.2:1
  • Screen size: 60″– 150″
  • Lamp life: 30,000 hours
  • Warranty: 1-year limited

More features: Android Tv 10.0, 6W Harman Kardon speakers, ISA Technology, < 30dB, auto keystone, auto focus

This projector uses Intelligent Screen Adaption technology that allows screen adjustment, automatic focusing and avoidance of obstacles for efficient operation. It scales the image to avoid the objects it detects in the projection area.

The low-cost projector has maximum brightness output of 800 ANSI Lumens, throw ratio of 1.2:1, screen size of 60 to 150 inches, and FHD resolution of 1920 x 1080 for crystal-clear display.

This is a compact model that can easily fit in a backpack. It has dimensions of 7.5 x 7.6 x 1.8 inches and light weight of 2.18 pounds. There is one HDMI port as well as ports for USB, DC and Audio. The projector comes with two 3W Harman Kardon speakers and a limited warranty of one year.

The projector is quiet with output of less than 30 decibels. We also like the extensive lamp life of 30,000 hours, Wi-Fi and Bluetooth capability, HDR programming, and the Android TV 10.0 operating system that allows you to access more than 5,000 apps. The apps include HBO Max and Disney +.

The main user complaints are about keystone correction.  Auto keystone correction is inaccurate, or it keeps correcting, and hardware limitation means that keystone correction does not work in gaming and 3D mode.

    What stands out?
  • 1080 FHD resolution
  • ISA technology
  • Access to 5000+ apps
    What cons did we manage to find?
  • 1-year limited warranty
  • Inaccurate keystone correction
  • Keystone unavailable in Game and 3D mode
?
Consumer Engagement
Chosen by 4420 people in the past 30 days
8.4
Customer Feedback
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8.3
Brand Reputation
Based onweb analytics
8.2
Features & Benefits
Product Review
8.2
8.4
10
Features
  • Brightness: 3,100 lumens
  • Contrast: 15,000:1
  • Resolution: Full HD 1080p
  • Throw ratio: 1.02 – 1.23
  • Screen size: up to 300”
  • Lamp life: up to 7,500 hours 
  • Warranty: 2-year limited

More features:  a built-in speaker, MHL HDMI port

The Epson 1060 stands out in many ways among its contenders. It offers excellent value for money with its wonderful features. I is a fantastic option for anyone looking to build a home cinema or upgrade from an old school TV set to larger images. It has a projection size going up to 300 inches.

The Epson 1060’s picture quality is pretty insane for a projector its size. It has 1080p High Definition resolution which gives lifelike images without any blocks. Its brightness (3100 lumens of color) also contributes to the great picture quality.

The projector has built-in speakers with amazing sound quality. The speakers can be much louder compared to many other models and still be able to give crisp clear sounds without any fuzziness or distortions.

What’s more the projector can show over 1 billion colors. This combines with its remarkable brightness explain the high-quality colorful images it produces. It also uses the 3LCD technology that prevents the rainbow effect that occurs due to distortion of colors. With older projectors, this would be an issue, especially when watching action scenes.

Another praiseworthy feature is the lamp that can last a whole 7500 hours. This is an incredible amount of time considering new lamps aren’t so cheap. Older projectors had lamps with a lifespan of 1500hours. The difference is unbelievable.

    What stands out?
  • The projector offers wonderful image quality and can project images up to 300 inches. This makes it the perfect choice for building your home cinema as you will be able to enjoy real, bright and crisp clear images.
    What cons did we manage to find?
  • The projector is not the best lightweight projector that you can move around with. Plus, it is a bit on the pricey end compared to others within its range.
Also Product Ranking:

Things to Consider

The remaining elements of this buying guide are brief explanations of common features mentioned with each projector and some example of which projectors best exhibit a certain feature. Additionally, this segment discusses frequently asked questions and gives answers and advice on the different scenarios of each question. It’s our hope you use this guide to help you purchase the cheapest and best 4K projector for your budget as well as your home.

What to expect from the cheapest 4K projector you can get?

First you should know that the cheapest 4K projectors don’t technically use 4K technology – where the pixels are small enough to create their own separate image – instead these models (usually any under $4,000) use lower-resolution imaging chips and sometimes additional methods to create 4K on screen. Typically, the method is to use three LCD chips (1,920 x 1,080p), one for each primary color (red, green, blue) and then offset the projected pixels slightly so they appear as different unique ‘4K’ pixels per individual frame that makes up your entire image. This technology is often referred to as “4K enchantment”.

All your cheap 4K projectors will use ‘4K enhancement’.

 

Therefore, what you can expect from these are separate pixels which make a clearer, more vibrant image – just like 4K – but a shorter lamp life due to the technology to mimic actual 4K. The quality will be better than in theaters (or at least equal to that level), but most of these projectors will only last you under 5,000 hours at high-energy modes. For the price and quality of each model, you’ll usually get projectors which are fully HDMI compatible, have great in-built speakers (for a projector), and which exhibit intense yet organic colors that are true-to-life.

Features to consider before buying a 4K projector

4k projector

From its particular technology utilized by the manufacturer to the information of its installation, and whether mounting is easy or hard, you’ll want to consider every facet of the product before making a purchase this expensive. Other features are listed and discussed below, and examples are even given for projectors which best match what to look for in these features.

Display technology

These are the types, and number, of chips used to refract, reflect, and project light and create that 4K resolution and intense color imaging. The first type of technology is 4K DLP, because it’s listed so frequently above – this technology uses three single-chip DMDs at either 0.66 or 0.47 inches to create two pixels at the same time per frame. On these chips, the physical discreet pixels are actually tiny mirrors (smaller than the human eye can even tell), and together two reflecting DLP chips can create 8.3-million pixels onscreen (also known as 4K resolution). One of the best models for DLP technology is the Optoma UHD51A because the faster the DLP chips can shift the colors on screen, the quicker frames will change (within microseconds). This display technology is especially great for gamers and for watching action movies.

Technology DLP

4K LCD, on the other hand, utilizes LCD chips and often a color wheel to produce its offset pixels and 4K enhanced projections. The light passes through either the chips or the chips and wheel is offset by the machine, and depending the lumens (brightness) of the lamp, your 4K resolution will be clearer.

In the case of 4K technology, most projectors had 2–3 LCD chips which light passes through at the same time to create two pixels at once. These tend to have a longer lag time between frames, and its possible for your projector to sometimes experience a rainbow effect where you see multiple colors rather than the singular color a picture (perhaps of an apple) should be.

Other similar systems are LCOS and SXRD, though no projectors on our list use these display technologies.

Brightness, contrast, and resolution

Brightness and contrast

The two important things to consider about brightness are: brightness of room you’re projecting in and the brightness of your projector. If light output from the projector is too low, or your room lighting is too high, the overall image on screen might appear foggy and soft. For the most optimal brightness in regards to a 4K resolution projector, check each models ANSI lumens rating (how much light a projector can put out) and only consider models which output 1,500+ ANSI lumens.

In addition to the brightness, your contrast ratio should compliment your lumens by improving the white and black.

The best contrast ratios are anything higher than 10,000:1, making your whites whiter and your blacks deeper.

 

Any contrast ratio too low will wash out your picture and defeat the purpose of 4K resolution. The resolution, being the combination between brightness and contrast, is the final picture. For true 4K resolution, it will take a combination of elements, plus your own specifications when you install a projector.

Two great examples which mix brightness and contrast to improve 4K resolution are the Optoma UHD60 and the Optoma UHD51A. You’ll notice when checking these models that they have extraordinarily high contrast ratios. They’re designed this way to compensate for the brightness of color and to compensate for the intense light needed to project a 4K image.

Throw distance

A projector’s throw distance is the distance between the projector and the image on the screen (i.e. the distance that the image is “thrown”). 4K projectors are no different, except you’ll often see the ‘throw distance’ listed as a ‘throw ratio’. A throw ratio can be understood as multiplication, where if the throw ratio were 2:1 and the screen were 14 feet away, then the display width should be 7 feet (7 x 2 =14, which is the number of feet the projector is from the screen). For an ideal 4K home-theater experience you’ll want a device which offers a ‘short-throw’, meaning it projects from 10 to 30 feet away. Not only will a short-throw provide a larger image, but it will also reduce shadows and eye glare from your projector and screen.

Screen size

Screen size

Even for 4K projectors where the screen size can go up 300 inches in length, you’ll want to keep a screen at around 120–150 inches for the ideal ratio of pixels per inch of your screen. The clarity and color of your image will look best this way, and the ideal throw distance will be around 20–30 feet away from your screen. Any projectors which will balance between 50 to 200-inch screens are going to be best for your household.

Lamp life

Because cheaper 4K projectors need to create the impression of two pixels per frame in an image and then offset them, often the necessary technologies utilize a lot of lumens to project the enhancement. Due to the intense amount of energy and lumens used in the process, lamp life for cheaper 4k projectors tends to be lower than 10,000 hours. However, there are a few systems on our list which utilize innovative technologies to prolong their models’ lamp life and provide you with more movie watching hours before needing to change an expensive bulb.

Consider the LG HU80KA as having one of the best lamps (with its unique laser lamp design). Others (with settings to make the lamp life last much longer) are the ViewSonic PX727-4K and Optoma UHD60.

Lamp LG HU80KA

Noise level

For speakers, you’ll get the best level with systems that have built-in dual speakers 5W or less. Additionally, if you’re wondering about the noise of fans and how it will affect the listening experience of your movie, some systems are louder than others. You’ll especially hear projectors if they’re close beside you, your mounted ceiling unit is low, or as the unit ages.

If you don’t properly mount your projector and make sure its sides and middle are level, the fan components might tend to rattle – otherwise with good speakers, you’ll never notice a difference.

 

Warranty

For your ideal warranty (on the off-chance of a dud burning out early, or other damaged components during shipping) it’s best not to purchase any product with a warranty shorter than a year. It would be even better to aim for 2 to 3-year warranties. Especially since these units tend to run so high and you’ll want money protection for any purchase this large.

How to set up a projector

Once you’ve ceiling mounted your projector, or even if you’re not mounting it and decide to put it on a tall shelf, adjust the keystone alignment (most items on our list have an auto-alignment option) as well as the resolution (focus dial) for a clearer picture with a brighter image and crisper colors.

Line up the center of your lens to the center of your screen before adjusting, and then keep in mind that larger pictures will be dimmer.

All ceiling mounts come with instructions, and universal mounts are easy to purchase at your local department store or from the manufacturer. Keep in mind that you’ll need room near the back or sides of a projector to plug in cords for speakers and HDMI devices etc.

FAQ

Is my room big enough to install a projector? How to measure the throw distance?

Take a look at each projector ‘screen size’ and ‘throw distance’ and then measure how many inches long your wall is. With the throw distance, it will usually be a ratio (2:1) where the first number is distance times width and the second number is just width. If your projector were 7 feet away, you’d need a space at least 14 feet wide.

What is HDR?

HDR is an abbreviation for the high dynamic range. Meaning the range between the darkest and the lightest parts of an image, and an ability to control that range for the best details of a picture or video.

Are the cheapest 4K projectors really better than full HD projectors?

Yes, 4K projectors may not outlast HD projectors with their lamp life, but they do create amazing pictures with no lag time and intense (almost perfect) colors. On a 4K screen, a bird is not just ‘a bird’ – it’s the actual flying creature, and it feels like its flapping around your house.

What projectors are good for gaming?

4k projectors with a lag time of less than 40ms are going to be the best projectors (at this level) for your gaming needs. It’ll be such a quick lag that no regular person would notice it with the human eye, However it may be the difference between using television and using a projector for a professional competition gamer.

Our verdict

If you’re having a hard time deciding, no one could go wrong with these highly-rated devices; the top three projectors on our list:

Optoma UHD50. With this model all game and video text will be clear and precise with vibrant reproduction of color and shape created by XPR technology, offering an extraordinary UHD 4K experience and wide-range color gamut (brighter whites, deeper blacks, and intense colors).

Optoma UHD51A. The most compatible device on this list, it can play any online movies and shows from wireless platforms – such as Netflix – and can also link to any of your devices which can connect to Wi-Fi. Additionally, it can pair with all your devices and mirror them on screen as you use them.

ViewSonic PX727-4K. Our budget pick for this list, this is the cheapest option which is not only a fantastic 4K projector but also won’t break your budget. It is one of the easiest to install and is compatible with almost all your devices including regular to Blue-ray DVD players.

9,8
Total Score
Optoma UHD50 - Editor's Choice
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