Nvidia eGPU MBP TB3 port underperformance: 16xxMiB/s instead of 22xxMiB/s under ...
 
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Nvidia eGPU MBP TB3 port underperformance: 16xxMiB/s instead of 22xxMiB/s under macOS or Windows+apple_set_os.efi  

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OliverB
(@oliverb)
Noble Member
Joined: 2 years ago
 

FYI: I got full 22xx MiB/s, too, both under MacOsx (Using goalque's efi-loader) and Bootcamp (without any hack):

Cuda Win10 80cm

Only with 1,5m active cable under MacOsx, it's less, about 20xx MiB/s

2018 15" MBP & 2015 13" MBP connected to RTX2080Ti GTX1080Ti GTX1080 Vega56 RX580 R9-290 GTX680

 
2018 15" MacBook Pro (RP560X) [8th,6C,H] + RX 5700 XT @ 32Gbps-TB3 (ASUS XG Station Pro) + Win10 & macOS 10.15.4 [build link]  


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insaneshred
(@insaneshred)
Active Member
Joined: 2 years ago
 

Is there any fix to this issue yet?

I have MBP 2017 with a 560. I am running bootcamp with Aorus Gaming Box 1080. (I am still on High Sierra and not Mojave)

Problem is, randomly, sometimes I get 17XX and sometimes get the full 22XX (it stays like that unless you restart). I just keep restarting and plugging the TB3 cable during the windows logo loading screen. Without changing anything, I randomly get full vs half speed. I can use laptop screen as well as external screen regardless of the speed.

Does anybody know how to get he full speed consistently?

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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