HDMI 2.1 4K 144HZ HDR Support? - Blu-ray Forum

erik343 · 12-26-2022, 01:58 AM

I was thinking about buying a 4K 144HZ HDR TV/Monitor with HDMI 2.1 ports.

Do these HDMI 2.1 ports support 4K@144HZ HDR? or just 4K@120HZ HDR? (With no compression like DSC?)

I also currently have a 4K 144HZ HDR with two Display Port 1.4 ports (and two HDMI 2.0 ports) and also with DSC, but my video card does not yet support DSC.

I was wondering if I upgrade my video card (to support DSC), does the DP 1.4 cable interface support 4K@144HZ HDR with DSC?

My 4K resolution is 3840 x 2160...

oddbox83 · 12-26-2022, 11:21 AM

This might help.

https://en.wikipedia.org/wiki/HDMI#R...or_HDR10_video

On paper it looks like HDMI 2.1 does support 4k at 144hz without compression. Obviously don't take that as gospel and double check any gear you want to buy.

12-26-2022, 01:58 AM	#1
erik343 New Member Member since:Jun 2019 Location:Roseville, CA	HDMI 2.1 4K 144HZ HDR Support? I was thinking about buying a 4K 144HZ HDR TV/Monitor with HDMI 2.1 ports. Do these HDMI 2.1 ports support 4K@144HZ HDR? or just 4K@120HZ HDR? (With no compression like DSC?) I also currently have a 4K 144HZ HDR with two Display Port 1.4 ports (and two HDMI 2.0 ports) and also with DSC, but my video card does not yet support DSC. I was wondering if I upgrade my video card (to support DSC), does the DP 1.4 cable interface support 4K@144HZ HDR with DSC? My 4K resolution is 3840 x 2160... Last edited by erik343; 12-26-2022 at 02:58 AM.

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12-26-2022, 11:21 AM	#2
oddbox83 Blu-ray Knight Member since:Sep 2013 Location:UK	This might help. https://en.wikipedia.org/wiki/HDMI#R...or_HDR10_video On paper it looks like HDMI 2.1 does support 4k at 144hz without compression. Obviously don't take that as gospel and double check any gear you want to buy.

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