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I have a relatively powerful PC with Nvidia GeForce GTX 780 Ti and Intel Core i7-4770K (3.50GHz), but the most widely-used media players VLC (3.0.3) and MPC-HC/MPC-BE are completely incapable of playing 4K video smoothly. mpv is competent with minor audio stuttering. Because 4K content must be downsampled for a 1080p monitor, can this process cause major performance issues?
I'm aware that resolutions above the native won't look any better on your screen (if anything, image quality is worse) — I'm asking because some video is only offered at 4K and I'd prefer not to downscale every 4K video file I come across.
user921581
Posted 2018-07-09T17:53:29.940
Reputation: 1
Every video card can resize the video via hardware with the correct driver over the last 20 years. – Ipor Sircer – 2018-07-09T18:29:44.383
4k video can be played by almost every modern graphics card. The real issue is throughput. The most common issues with 4k video issues is the hard drive or network not being able to provide enough bandwidth to play the video. – Keltari – 2018-07-09T19:19:45.880
Use of a 4K monitor will require more I/O bandwidth than use of a 1080p monitor. There's four times as many pixels per frame that have to be output. Whether that is "more resource intensive" than scaling down the 4K video/image is something I don't know. – sawdust – 2018-07-09T19:29:17.793
@Keltari: This question is about locally stored files so I assume that network can be excluded. Does "bandwidth" equal free storage space? – user921581 – 2018-07-10T14:18:34.833