Huawei Matebook X Pro eGPU gaming  

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Jonasjh
(@jonasjh)
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December 5, 2018 4:21 pm  

Hi,
I'm considering an eGPU setup with my Matebook, probably with HP Omen Accelerator + GTX 1070 / Vega 56. My goal is 1080p 144hz gaming, in a wide variety of games. My worry is that the processor in my Matebook (i5-8250U) will not allow for that high fps, as I've heard that when aiming for high fps, the CPU is very important, as opposed to aiming for high res / settings, where the GPU is more important.
I have 8GB of RAM and a 256GB SSD
Also, would I benefit from the FreeSync capability of the Vega 56? My monitor has FreeSync.

If anyone has some advice for me it would be much appreciated.

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theitsage
(@itsage)
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December 5, 2018 9:59 pm  

The Matebook X Pro has a x2 PCIe connection for its Thunderbolt 3 port so using the eGPU with an external monitor is best. If you already have a FreeSync monitor, the RX Vega 56 is the way to go. Here's one of my builds pairing an 8th gen i5 with RX Vega 56 eGPU for reference.

Best ultrabooks for eGPU use

eGPU enclosure buying guide

86 external GPU build guides


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Shirokiya
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December 6, 2018 12:22 am  

Also be aware that if you choose to go with that enclosure, given that the Matebook X Pro only has x2 PCIe connection for Thunderbolt 3, using those extra ports on the enclosure itself will be unstable.

I briefly owned the MXP i7, when I paired it with a Mantiz Venus, my mouse connected to the enclosure would cut in and out. When I used the onboard USB A port on the laptop, peripherals were fine.

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Jonasjh
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December 6, 2018 6:41 pm  

Thank you! that is very helpful

Okay so I suppose you wouldn't use the Ethernet port either? Was the connection from the eGPU to the display stable?

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Shirokiya
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December 6, 2018 9:14 pm  

Try out the Ethernet port, I didn't get a chance, but my guess is that it would be unstable as well.

I put a Titan Xp in the Mantiz Venus, a single display connected to the eGPU through DisplayPort had no issues displaying on a 2560 x 1080 60 Hz monitor.
FYI if you're considering multiple monitors, when I tried to connect a second monitor (1920 x 1200 60 Hz) to the eGPU, either with HDMI or DisplayPort, it was not recognized and no output.

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Jonasjh
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December 8, 2018 10:42 am  

thanks, I'll try it out.
I don't know alot about the Titan-series, but isn't that a much more powerful GPU? If so, that may explain why it occupies that much bandwidth. Perhaps a Vega 56 would occupy less? I don't know.
Did you ever try using the peripherals when the GPU wasn't under heavy load?

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Shirokiya
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December 8, 2018 8:31 pm  

I'm not aware of any analysis of different graphics cards using different bandwidths.

There is a build guide for the i7 version of the MXP with the enclosure you're considering: https://egpu.io/forums/builds/huawei-matebook-x-pro-i7-hp-omen-accelerator-with-gtx-970-4gb/
As a possible solution, you could try the changing the Power Settings of the PCI Express as noted on the bottom.

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Jonasjh
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December 9, 2018 8:27 pm  

I see, that is very helpful, thanks!

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