With and without hardware acceleration whilst watching 4K video on Youtube
With: Lower load and longer battery. Without: Heat, noise, higher load and pathetic battery for Youtube viewers!
https://wiki.archlinux.org/index.php/...
My vainfo https://s.natalian.org/2018-03-13/vai...
You probably need libva-intel-driver installed.
When you use chromium-vaapi-bin, be sure to enable the feature in about:flags
https://s.natalian.org/2018-03-12/hw-...
My hardware: T480s with VGA compatible controller: Intel Corporation UHD Graphics 620 (rev 07), Intel 8th generation.