Official 4:4:4 / Chroma Subsampling Thread - Page 19 - AVS Forum | Home Theater Discussions And Reviews

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Old 09-09-2016, 11:31 PM
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Not sure if this belongs here, but I didnt find an answer in the htpc forum. If you have an htpc just for video (blu ray, ect...) and you connect to a 4k tv should you set it to 4:2:2 or 4:2:0? 4:4:4 might not be an option.
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Old 09-09-2016, 11:43 PM
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Quote:
Originally Posted by Murilo View Post
Not sure if this belongs here, but I didnt find an answer in the htpc forum. If you have an htpc just for video (blu ray, ect...) and you connect to a 4k tv should you set it to 4:2:2 or 4:2:0? 4:4:4 might not be an option.
Is your PC doing the upscaling? If so, 4:2:2 is better.

Are you changing your output resolution to match the video's resolution (like switching to 1280x720 for a 720p video)? If so, then 4:2:0 is theoretically better.


Don't forget that, due to bandwidth limitations, HDMI 2.0 requires you to use either 30Hz* or 8bit in order to have 4k with 4:4:4 chroma.

*theoretically HDMI 2.0 could handle 4k 10bit 4:4:4 @ 52Hz or 4k 12bit 4:4:4 @ 45Hz; someone should totally try that out via custom resolutions.

Last edited by NintendoManiac64; 09-09-2016 at 11:54 PM.
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Old 09-20-2016, 04:17 PM
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I'm looking at buying the Samsung UN40KU6300 for a pc monitor. Not for gaming, just desktop use. Right now, I'm using integrated graphics on a skylake i5. The motherboard claims both HDMI 2 and DP1.2 outputs.

Is my best option for connecting the monitor just straight HDMI?

TIA
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Old 09-20-2016, 11:22 PM
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Originally Posted by highnoon View Post
I'm looking at buying the Samsung UN40KU6300 for a pc monitor. Not for gaming, just desktop use. Right now, I'm using integrated graphics on a skylake i5. The motherboard claims both HDMI 2 and DP1.2 outputs.

Is my best option for connecting the monitor just straight HDMI?

TIA
Assuming that you can get actual 3840x2160 @ 60Hz 4:4:4, then yeah just use HDMI since that TV doesn't have a DisplayPort input anyway.
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