How to get youtube videos to run on GPU only [Solved]

P4-630 · Nov 6, 2022

I always thought the "Enable hardware acceleration" setting was to run at least videos on the GPU but it seems I was mistaken.

Running this video, especially set at 8K it's just hammering my CPU...

So is there a way to run youtube videos, or in general all videos in chrome on the GPU only?

AusWolf · Nov 6, 2022

P4-630 said:
I always thought the "Enable hardware acceleration" setting was to run at least videos on the GPU but it seems I was mistaken.

You're not mistaken, that's the setting for it. Try monitoring GPU video engine usage in GPU-Z. If your GPU supports the codec the video uses, it should work.

Bomby569 · Nov 6, 2022

YT used VP9 codec, and gpu's didn't really used to support it. Now it's AV1 and you still need the right gpu's to decode it.

P4-630 · Nov 7, 2022

AusWolf said:
You're not mistaken, that's the setting for it. Try monitoring GPU video engine usage in GPU-Z. If your GPU supports the codec the video uses, it should work.

It seems you are right, good upto 4K it seems to run on the GPU, when I set this video in this rare case at 8K it just starts running on the CPU!?

AusWolf · Nov 7, 2022

P4-630 said:
It seems you are right, good upto 4K it seems to run on the GPU, when I set this video in this rare case at 8K it just starts running on the CPU!?

Maybe your GPU can't decode 8K, or maybe the 8K version uses a codec that your GPU doesn't support (AV-1?).

P4-630 · Nov 7, 2022

AusWolf said:
Maybe your GPU can't decode 8K

It's a 2070 Super

AusWolf · Nov 7, 2022

P4-630 said:
It's a 2070 Super

Then my suspicion is that the 8K stream uses AV-1 which the 2070 doesn't support. Try enabling geek mode in YouTube and check.

P4-630 · Nov 7, 2022

AusWolf said:
Then my suspicion is that the 8K stream uses AV-1 which the 2070 doesn't support. Try enabling geek mode in YouTube and check.

I have tried "Always prefer AV1" , it works fine just not for 8K..

3x0 · Nov 7, 2022

Open GPUz, Advanced tab, select DXVA 2.0 Hardware Decode and see the list of supported resolutions/codecs for GPU decode

P4-630 · Nov 7, 2022

3x0 said:
Open GPUz, Advanced tab, select DXVA 2.0 Hardware Decode and see the list of supported resolutions/codecs for GPU decode

Yes ok, just upto 4K...

4K, Good enough for me for now though lol, anyway started this thread because the 8K setting was hammering my CPU.

Solaris17 · Nov 7, 2022

P4-630 said:
Yes ok, just upto 4K...

4K, Good enough for me for now though lol, anyway started this thread because the 8K setting was hammering my CPU.

This was actually super interesting., I hadn't thought about resolution specific decode at all lol.

itsTyrion · Jan 12, 2023

Bomby569 said:
YT used VP9 codec, and gpu's didn't really used to support it. Now it's AV1 and you still need the right gpu's to decode it.

They still use it, lot's of content isn't in AV1 because it's not worth the CPU time for every video.

GPU's DID get to support it. nvidia 10 series and higher, Intel 7th gen and higher, AMD.. it's complicated.

I found this thread because I was confused that VP9 isn't HW decoded on my GTX 1070 for some reason. Not in Firefox, and not in Edge. It's supported and I KNOW I've seen it doing that before...

P4-630 said:
Yes ok, just upto 4K...

4K, Good enough for me for now though lol, anyway started this thread because the 8K setting was hammering my CPU.

Depending on the video, it's very possible that 8k is served in AV1 and the rest in VP9, seen that a few times. Check the video stats.

e: Vid is

- just the first thing that popped up for "8k"

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System Name	AlderLake
Processor	Intel i7 12700K P-Cores @ 5Ghz
Motherboard	Gigabyte Z690 Aorus Master
Cooling	Noctua NH-U12A 2 fans + Thermal Grizzly Kryonaut Extreme + 5 case fans
Memory	32GB DDR5 Corsair Dominator Platinum RGB 6000MT/s CL36
Video Card(s)	MSI RTX 2070 Super Gaming X Trio
Storage	Samsung 980 Pro 1TB + 970 Evo 500GB + 850 Pro 512GB + 860 Evo 1TB x2
Display(s)	23.8" Dell S2417DG 165Hz G-Sync 1440p
Case	Be quiet! Silent Base 600 - Window
Audio Device(s)	Panasonic SA-PMX94 / Realtek onboard + B&O speaker system / Harman Kardon Go + Play / Logitech G533
Power Supply	Seasonic Focus Plus Gold 750W
Mouse	Logitech MX Anywhere 2 Laser wireless
Keyboard	RAPOO E9270P Black 5GHz wireless
Software	Windows 11
Benchmark Scores	Cinebench R23 (Single Core) 1936 @ stock Cinebench R23 (Multi Core) 23006 @ stock

System Name	My second and third PCs are Intel + Nvidia
Processor	AMD Ryzen 7 7800X3D @ 45 W TDP Eco Mode
Motherboard	MSi Pro B650M-A Wifi
Cooling	be quiet! Shadow Rock LP
Memory	2x 24 GB Corsair Vengeance DDR5-4800
Video Card(s)	PowerColor Reaper Radeon RX 9070 XT
Storage	2 TB Corsair MP600 GS, 4 TB Seagate Barracuda
Display(s)	Dell S3422DWG 34" 1440 UW 144 Hz
Case	Corsair Crystal 280X
Audio Device(s)	Logitech Z333 2.1 speakers, AKG Y50 headphones
Power Supply	750 W Seasonic Prime GX
Mouse	Logitech MX Master 2S
Keyboard	Logitech G413 SE
Software	Bazzite (Fedora Linux) KDE Plasma

How to get youtube videos to run on GPU only [Solved]

P4-630

AusWolf

Bomby569

P4-630

AusWolf

P4-630

AusWolf

P4-630

3x0

P4-630

Solaris17

Super Dainty Moderator

itsTyrion

New Member

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