My last tests confirmed that the 120Hz Viewsonic has little to no input lag compared to a good CRT monitor, so how well does new 120Hz Acer GD245HQ compare to that. Use the pause button to compare the numbers on both displays, the video is shot with a camera recording at 240 fps. Slower response (lower number of milliseconds) means input lag (delay) of the image because of the processing before being show on the screen. The Acer shows from zero to about 15-16 ms delay compared to the ViewSonic, but have in mind that both displays are running a clone image (using DVI splitter) with resolution of 1680x1050 which is not the native one for the Full HD Acer display! [ Ссылка ]

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