Bug 1569767 Comment 11 Edit History

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Original comment by
on 
Tested on a large 4K window youtube with "Intel(R) UHD Graphics 630". Set "gfx.direct3d11.use-double-buffering=false".

WR DC: GPU 13-20%, CPU 16-20%, Power 5W
no-WR: GPU 13-20%, CPU 18-20%, Power 5W
Revision 1 by
on 
Tested on a large 4K window youtube with "Intel(R) UHD Graphics 630". Set "gfx.direct3d11.use-double-buffering=false".
Numbers are taken from the Intel Power Gadget.

Edit: fixed non-WR numbers

WR DC: GPU 13-20%, CPU 16-20%, Power 5W
no-WR: GPU 65%, CPU 15-20%, Power 5.2W
Revision 2 by
on 
Tested on a large 4K window youtube with "Intel(R) UHD Graphics 630". Set "gfx.direct3d11.use-double-buffering=false".
Numbers are taken from the Intel Power Gadget.

Edit: fixed non-WR numbers

WR DC: GPU 13-20%, CPU 16-20%, Power 5W
no-WR: GPU 65%, CPU 15-20%, Power 5.2W

Edit: full-screen video numbers

WR DC: GPU 60+%, CPU 17-20%, Power 8W+
no-WR: GPU 65%, CPU 15-20%, Power 5.5W+

Power measurements jump quite a bit, so the lower bound may not be entirely accurate. Overall, seems very close.

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