Designed for both gaming and home entertainment, the Optoma UHD55 projector ($1,799) offers 4K resolution (3,840 by 2,160 pixels), impressive color quality, and the short input lag that gamers demand. The competing BenQ TK700STi has a few more features, including fully integrated Android TV. But the UHD55 wins on the core issue of image quality. Although it falls just short of being an Editors' Choice pick, that's enough to earn it the higher rating of the two.How Short a Lag Measure Do You Need? The UHD55's input lag, as measured with a Bodnar meter, was 16.9 milliseconds for 60Hz input at both 4K and 1080p resolutions. That translates to a faster 4K response than most projectors can manage, putting it within the range that a serious gamer would consider acceptable. Even better, the lag dropped by roughly half, to 8.6ms, for 1080p/120Hz input. Note that for all three measurements, the UHD55 was essentially tied with the TK700STi. The results are also consistent with both projecto...
The 4K Optoma UHD55 is equal parts gaming and home entertainment projector, thanks to a short input lag combined with a high quality image.
4K UHD resolution; Full HD 3D; HDR10 and HLG HDR support; Bright enough for a room with ambient light; Good out-of-box color accuracy; Short input lag
Only one of the two HDMI ports offers the short input lag; Limited number of streaming apps