Why 4k videos are so damanding on PC?

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Gazi

Distinguished
May 13, 2011
256
0
18,790
Every time i watch some 4k video it takes a lot of power from my cpu, if its 60fps video it can take 100% of my cpu usage and it is i5 6600k @4.4GHz. Its weird for me, because on my waaaay les powerfull windows tablet 4k video takes almost no power.
 
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L
Are you sure you're not running any background process? YouTube 4K shouldn't be loading your CPU 100% on all cores. My HTPC aging i3 can runs 4K YT videos at about 40-50% max load on 3 trheads, and no dedeicated GPU in system.

Go to task manager and check which process is loading your CPU to 100%, the best is- switch everything off and leave just single tab for YT 4K video and then check what your CPU usage is.
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lightc

Honorable
Sep 30, 2016
26
1
10,545
Are you sure you're not running any background process? YouTube 4K shouldn't be loading your CPU 100% on all cores. My HTPC aging i3 can runs 4K YT videos at about 40-50% max load on 3 trheads, and no dedeicated GPU in system.

Go to task manager and check which process is loading your CPU to 100%, the best is- switch everything off and leave just single tab for YT 4K video and then check what your CPU usage is.
 
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