The Optoma UHD35 is a 4k HDR projector primarily marketed for home theater use and gaming. It has two HDMI 2.0 ports that are both capable of either 4k @ 60Hz or 1080p @ 240Hz. The projector has a 1.1x optical zoom and can project images anywhere from 33" to a massive 300". Depending on the selected picture mode, its light source is rated for 4,000 to 10,000 hours. Finally, it has an integrated 10W speaker.
Our Verdict
The Optoma UHD35 is decent for watching movies. Its native contrast is satisfactory, and its brightness is alright, leading to a pleasant viewing experience in a dark room. Unfortunately, the projector's colors are uninspiring as they're just not bright enough to make them pop. Its color accuracy is just okay, and you can't improve it through calibration.
- Versatile projector with 4k @ 60Hz and 1080p @ 240Hz options.
- Color accuracy is just okay, and you can't improve it with calibration.
- Colors look dim overall.
Changelog
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Updated Mar 02, 2026:
We mentioned the newly reviewed Optoma UHZ36 in the Brightness section of this review.
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Updated Mar 25, 2025:
We mentioned the newly reviewed BenQ HT2060 in the Contrast section of this review.
- Updated Aug 02, 2024: We've converted this review to Test Bench 0.9. We've overhauled our Contrast tests, as we now measure contrast at various average pixel levels (APL). You can see the full changelog here.
- Updated Feb 13, 2024: Review published.
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Differences Between Sizes And Variants
We bought and tested the Optoma UHD35. This projector has two variants: the Optoma UHD35x and the Optoma UHD35STx. Information on the differences between these projectors is hard to come by, but it looks like the UHD35x has a wider lens than the UHD35, allowing it to be placed closer to the wall but at the cost of decreased contrast. The Optoma UHD35STx is a short throw version of the UHD35x, letting it project a 100" image while being one meter, or 39 inches, from the wall or screen.
Popular Projector Comparisons
The Optoma UHD35 is a decent 4k HDR projector. It's not a bad value for the price, although you can get the better XGIMI HORIZON Ultra and Epson Home Cinema 3800 for just a bit more money. Still, the Optoma UHD35 has some advantages over these projectors, especially in gaming, as it can do 1080p @ 240Hz with low input lag. Its main competition in that regard is the cheaper ViewSonic PX701-4K, but the Optoma has better colors and image accuracy.
See our recommendations for the best projectors for home theater and the best home projectors. If you're looking for something more general, look up our list of the best projectors instead.
The XGIMI HORIZON Ultra is better than the Optoma UHD35, although the Optoma has more advanced gaming features with full 1080p @ 240Hz support. Still, the XGIMI is a far better product, with higher peak brightness, vastly better color accuracy, a wider color gamut, and a full suite of smart features, including Wi-Fi and Bluetooth support.
The Optoma UHD35 is a bit better than the ViewSonic PX701-4K. They're very similar projectors, with both capable of 1080p @ 240Hz for gaming. However, the ViewSonic has significantly worse color accuracy than the Optoma, and the Optoma also has a slightly wider color gamut, giving it the edge over the ViewSonic.
The Epson Home Cinema 3800 is better than the Optoma UHD35. The Epson offers better image quality as it's much brighter, is significantly more accurate overall, and has better contrast. The Optoma has the edge for gaming, however, as it can do 1080p @ 240Hz with low input lag.
The Optoma UHD35 and BenQ TK700STi are very similar projectors, with little to differentiate them. They're both gaming projectors, so they can project either 4k @ 60Hz or 1080p @ 240Hz. The Optoma offers marginally better image quality out-of-the-box due to its better accuracy and contrast, although the BenQ is the brighter projector. The biggest difference between the two products is the lack of wireless connectivity options and smart features on the Optoma. However, the BenQ comes with the QS01 smart streaming dongle with full wireless connectivity support.
We've independently bought and tested over 75 projectors and published detailed results for each, so you can decide which one to buy. These have all been tested under the same standardized methodology, allowing you to compare them side by side. We still have all these projects in our lab, so we can continually go back and compare them to ensure our reviews are still accurate. All our test methodologies are also public on our website, so you can validate the results yourself.
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