You can also use a reduced blanking interval (CVT-RBv2) in this calculator: Video Timings Calculator
I would try that with chroma subsampling, and using 8bit instead of 10bit.
Hm… just figured out, physically disconnecting my old monitor which only supports Display Port HBR2 and using the Club3d cable allows me to reach 144Hz. Thought at least under Linux (did not yet had the time to test it under Windows), the frame sometimes freezes or the picture turns black when I use that specific monitor with 144Hz with my GPU.
Important to note here is that the monitor does not lose the signal to the GPU!
Ah, this means the DP output is locked into a specific transfer mode. This means you may have to use the HDMI port for your older monitor.
Multi GPU with X server is a nightmare, do not even attempt it. On Windows though it is possible.
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Has anyone else have any problems with only the one monitor? I can’t seem to push mine above 75Hz at full res on popOS whether on X11 or Wayland. I’ve tried with multiple 1.4 DP cables. I am running a ZOTAC GAMING GeForce RTX 3070 Twin Edge for my GPU.
@ShadowDragon Have you had more findings since 2021?
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