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blipblorp
(@blipblorp)
New Member
Joined: 3 years ago
 

I've done this in the past with the Gigabyte Aorus GTX 1080 box and a Akita Node with a EVGA 2080 (corsair sfx psu), and it worked fine on machines where I disabled the internal nVidia card (otherwise there was an intermittent stutter). 90hz with HTC Vive works fine I've found. However I got a Valve Index a while back and found that apparently it doesn't work at 120hz with both setups. When I asked Valve they confirmed last spring (original Index release timeframe) that they were only able to get 90hz and it wouldn't work reliably at 120hz with EGPU setups. Has anyone been able to achieve this recently? I've not bothered to try again, but wondered if anyone else had or had been able to hit 120hz with a Valve Index reliably with some setup?

This topic was modified 7 months ago

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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pazza
(@pazza)
New Member
Joined: 9 months ago
 

Any further thoughts or updates? My index arrives in a couple weeks and I want to be ready. I might just buy a desktop if I can't make this work well.

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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imconfused
(@imconfused)
Active Member
Joined: 1 month ago
 

@blipblorp, Did you get any further with this?

I just got my RTX 3080 running in an eGPU and I'm seeing HUGE performance decreases compared to the dGPU GTX 1080

  dGPU eGPU @120 eGPU @ 90
FPS Peak/AVG 120/94.5 75/72.3 89/78
Lag GPU/CPU 6.5ms/3.6ms 11ms/10ms 8.5ms/4ms
Ram usage GPU 2.8/8 Gb 3.6/10 Gb 4.6/10Gb
Temp GPU/CPU 65c / 70c 60c / 60c 56c / 57c

 

2017 15" Acer Predator Triton 700 (GTX1080) [7th,4C,H] + RTX 3080 @ 32Gbps-TB3 (Razer Core X Chroma) + Win10 [build link]  

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