Input Lag and Power Use
With the lag tests, the BenQ performed adequately, offering around 1 frame of lag overall in testing. Changing the refresh speed did nothing to alter these numbers either, so 15.3 ms of lag is about what you can expect from this display. I didn’t find it distracting or bothersome in the gaming I did, but if you want the lowest lag possible you’ll still need to look for a different panel type.
The peak power use for the BenQ was pretty average for the size, with 36 watts used at full backlight power. At minimum backlight, that dropped down to 16 watts, which isn’t as low as many other displays are able to achieve at this point. Our database doesn’t have enough *VA panels to let me be certain if it’s the panel that requires more power or something in the design of the monitor, but the difference is only 4-5 watts over the best performing monitors. [Ed: Which, sadly, is probably why we're not seeing this sort of display in a laptop.]
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