Mac bad lag for games11/10/2023 ![]() And even without any of that, DisplayLink’s compression isn’t lossless, so you can end up with visible judder or blocky video for that reason alone. ![]() You can also see these types of issues if your USB bus is busy with other traffic, such as a large file transfer. DisplayLink is fine for basic productivity tasks, but when lots of the display area is changing at once, such as when gaming or watching full screen video, that’s a lot more work to do, so your CPU gets busy and you can end up with jerky/judder-y video. ![]() That’s why you’re seeing all that CPU activity and horrible performance. DisplayLink uses a driver to have the CPU and GPU compress video for transmission as regular USB traffic, and then a chip in the dock decompresses it and transmits it to the displays. It’s because the Dxxxx series docks use DisplayLink rather than tapping into native GPU outputs.
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