macOS eGPU users, are you experiencing this performance issue?
 
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macOS eGPU users, are you experiencing this performance issue?  

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mar_kelp
(@mar_kelp)
Trusted Member
Joined: 3 years ago
 

I just tested on my 13" TB MBP with Gaming Box RX 580. GeekBench4 did not show any drop in performance on the OpenGL benchmark after playing a YouTube video in Safari (~110,000 both before and after).

In system preferences - energy Saver there is an option for Automatic graphics switching.

I believe this is only visible if you have a dGPU. It doesn't appear on my system and wasn't enabled when I connected my eGPU.

2017 13" MacBook Pro Touch Bar + RX 580 Gaming Box + macOS 10.14.3 and Windows 10 (BootCamp with rEFInd)

 
2017 13" MacBook Pro [7th,2C,U] + RX 580 @ 32Gbps-TB3 (Gigabyte Gaming Box) + macOS 10.13 & Win10 [build link]  


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detunedradios
(@detunedradios)
Trusted Member
Joined: 3 years ago
 

Thanks for the info all. Good to know it’s not everyone having this issue.

Is there anyone out there with a 2016 or 2017 (preferably 2016, since that’s my model) 15” Pro, specifically, who can weigh in?

2016 15" MacBook Pro - 2.7GHz Core i7, Radeon Pro 460 4GB, 1TB SSD
Sonnet Breakaway Box 350, modded with 650W PSU, with Radeon RX Vega 64


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Maximus
(@maximus)
Eminent Member
Joined: 3 years ago
 
Posted by: detunedradios

Thanks for the info all. Good to know it’s not everyone having this issue.

Is there anyone out there with a 2016 or 2017 (preferably 2016, since that’s my model) 15” Pro, specifically, who can weigh in?

ill let you know friday, when i get my new rx580 (have the xg station pro)

2017 15" mbp full option

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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detunedradios
(@detunedradios)
Trusted Member
Joined: 3 years ago
 

For what it's worth, I just set up a completely fresh 10.13.4 install on an external drive, and reproduced this issue right out of the box. Absolutely nothing installed except Geekbench.

I have been unable to reproduce this issue in Windows at all, which leads me to believe this may be a macOS bug. But if it is a macOS bug, surely I can't be the only one experiencing it?

(The specifics of my setup, for clarity: 2016 15" MBP, Radeon Pro 460, 2.7GHz i7 option, 1TB SSD. eGPU is a Sonnet eGFX Breakaway Box 350 Developer Edition with the included Sapphire Pulse RX 580 8GB card.)

I should also be clear: this primarily occurs when watching YouTube on an external monitor. Watching on my MBP's own display does not trigger this.

2016 15" MacBook Pro - 2.7GHz Core i7, Radeon Pro 460 4GB, 1TB SSD
Sonnet Breakaway Box 350, modded with 650W PSU, with Radeon RX Vega 64


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mac_editor
(@mac_editor)
Famed Member Moderator
Joined: 4 years ago
 

High Sierra is a broken mess in general. There are graphics problems irrespective of eGPUs also. Youtube/HTML video flickering, coloration when GPU-switching during playback, and in a rare case AppKit user interface rendering failure across macOS to name a few on a friend's 2017 15" MBP w/ RP560. Basically, even the iGPU drivers have problems lol. Unsurprising to see such problems with eGPUs.

purge-wranglertbt-flashpurge-nvdaset-eGPU
Insights Into macOS Video Editing Performance

Master Threads:
2014 15-inch MacBook Pro 750M
2018 15-inch MacBook Pro

 
2019 13" MacBook Pro [8th,4C,U] + RX Vega 64 @ 32Gbps-TB3 (Mantiz Venus) + macOS 10.14.6 & Win10 [build link]  


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detunedradios
(@detunedradios)
Trusted Member
Joined: 3 years ago
 
Posted by: Maximus
Posted by: detunedradios

Thanks for the info all. Good to know it’s not everyone having this issue.

Is there anyone out there with a 2016 or 2017 (preferably 2016, since that’s my model) 15” Pro, specifically, who can weigh in?

ill let you know friday, when i get my new rx580 (have the xg station pro)

2017 15" mbp full option

Hey there! Were you able to test this out?

2016 15" MacBook Pro - 2.7GHz Core i7, Radeon Pro 460 4GB, 1TB SSD
Sonnet Breakaway Box 350, modded with 650W PSU, with Radeon RX Vega 64


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Maximus
(@maximus)
Eminent Member
Joined: 3 years ago
 

Nope, no issues . ran my benchmarks before and after, no drop at all.

very strange this....

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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detunedradios
(@detunedradios)
Trusted Member
Joined: 3 years ago
 

Extremely odd, then. I have a Radar open with Apple on this, since I can’t reproduce it in Windows. Hopefully they can reproduce it, and I’ll just have to watch YouTube in Chrome (and play Life is Strange in Boot Camp) in the meantime.

2016 15" MacBook Pro - 2.7GHz Core i7, Radeon Pro 460 4GB, 1TB SSD
Sonnet Breakaway Box 350, modded with 650W PSU, with Radeon RX Vega 64


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detunedradios
(@detunedradios)
Trusted Member
Joined: 3 years ago
 

Pleased to report this seems to be fixed in the 10.13.6 beta.

2016 15" MacBook Pro - 2.7GHz Core i7, Radeon Pro 460 4GB, 1TB SSD
Sonnet Breakaway Box 350, modded with 650W PSU, with Radeon RX Vega 64


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Jagungx
(@jagungx)
New Member
Joined: 3 years ago
 

I have a similar issue.. after watching youtube videos, my CSGO frame rates drops to around 30-40fps. After rebooting, frames rates are back to normal around 150fps. 

Kinda annoying that I have to reboot every time after watching a youtube video.

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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