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Can you play 8k60fps on your 16" inch Macbook Pro?

theoscat

theoscat

macrumors newbie
Original poster
Mar 3, 2020
6
0
Even with an eGPU (carrying a RX580), there is no way it could play the 8k60fps Peru YouTube video smoothly.
Mostly due to the lack of hardware decoding capability with VP9.

To test your device, please make sure you are on Chrome so you could see the 8k option.
Meanwhile, you can go to Activity Monitor and show CPU & GPU History under Window.

I'd love to know if any of us has a rx5700xt as an eGPU and worked that out. (if you did have this combination and it works, I will grab one rx5700xt immediately, for real)

Here you go
 
There might be a problem with using an eGPU for this - you would need an external screen to output to. Otherwise if you try to play 8K it has to go to the eGPU and back to the internal screen (which hurts performance).

I have a 5700 XT eGPU. I can try it after work today.
 
This should have no problem even on a macbook air.. That seems really weird. a 4417u CPU can decode an 8k 60fps video on a 200 dollar laptop. hmm?
 
ruslan120 said:
There might be a problem with using an eGPU for this - you would need an external screen to output to. Otherwise if you try to play 8K it has to go to the eGPU and back to the internal screen (which hurts performance).

I have a 5700 XT eGPU. I can try it after work today.
Click to expand...


I am connected to a dell 4k display from my eGPU (carrying an RX580). Please help verify though. Cheers mate.
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ha1o2surfer said:
This should have no problem even on a macbook air.. That seems really weird. a 4417u CPU can decode an 8k 60fps video on a 200 dollar laptop. hmm?
Click to expand...

Probably it's due to the decoding is handled by the GPU. if you are on windows platform, you can always refer to the resource monitor and see if CPU/GPU is frying. Be aware that only Chrome/Firefox would show the 8k option. Safari would be maxed out at 1080p.
 
theoscat said:
I am connected to a dell 4k display from my eGPU (carrying an RX580). Please help verify though. Cheers mate.
[automerge]1583316892[/automerge]


Probably it's due to the decoding is handled by the GPU. if you are on windows platform, you can always refer to the resource monitor and see if CPU/GPU is frying. Be aware that only Chrome/Firefox would show the 8k option. Safari would be maxed out at 1080p.
Click to expand...

Tried it in Windows with a RX580 in Chrome. Went straight to CPU. Hardware acceleration is set to enabled in Chrome.
 
velocityg4 said:
Tried it in Windows with a RX580 in Chrome. Went straight to CPU. Hardware acceleration is set to enabled in Chrome.
Click to expand...
I would have guessed a 580 would support VP9. interesting
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theoscat said:
I am connected to a dell 4k display from my eGPU (carrying an RX580). Please help verify though. Cheers mate.
[automerge]1583316892[/automerge]


Probably it's due to the decoding is handled by the GPU. if you are on windows platform, you can always refer to the resource monitor and see if CPU/GPU is frying. Be aware that only Chrome/Firefox would show the 8k option. Safari would be maxed out at 1080p.
Click to expand...
yeah the Intel HD 610 is at 80% GPU on that video. CPU is at 12%. The 16" has an Intel GPU that supports VP9 so chrome should support GPU decoding on it unless apple locks that out?
 
Base MBP 16. Buffering every few seconds (not the internet). Only CPU usage, all 6 cores are nearly maxed.
 
You might have to manually set the Google Chrome App to use the external GPU for it to render on the GPU. You'll see it as a GPU dependency on Activity Monitor when you do.
 
ha1o2surfer said:
I would have guessed a 580 would support VP9. interesting
[automerge]1583348831[/automerge]

yeah the Intel HD 610 is at 80% GPU on that video. CPU is at 12%. The 16" has an Intel GPU that supports VP9 so chrome should support GPU decoding on it unless apple locks that out?
Click to expand...

From what I can find only Raven Ridge, Navi10 and Navi14 support VP9 decoding. A part of Video Core Next (VCN 1.0 and 2.0). Although there were hacks for older AMD drivers for Polaris support. While nVidia has supported VP9 since Maxwell. Although Pascal is needed for 8K VP9.

AMD: https://en.wikipedia.org/wiki/Unified_Video_Decoder
nVidia: https://en.wikipedia.org/wiki/Nvidia_PureVideo

I guess if I ever need to watch 8K youtube videos on this computer. I'll have to swap out my Rx 580 with a GTX 1060 from another computer.
 
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