4 ms·

There is a limitation on the width of the bus though. I recall reading this when it first was announced and it is referenced in the linked article that you refe

There is a limitation on the width of the bus though. I recall reading this when it first was announced and it is referenced in the linked article that you reference [1]: 40Gb/s of bandwidth – or about 5GB/s – provided by Thunderbolt 3 is tremendously lower than 15.75GB/s offered by a fully-fledged PCI Express 3.0 x16 slot. [1] http://www.kitguru.net/components/graphic-cards/anton-shilov/msi-preps-external-graphics-solutions-with-thunderbolt-3-interface/ http://www.kitguru.net/components/graphic-cards/anton-shilov...

ju-st 11y ago
Yes, but the bandwidth is not really needed. PCI-E data compression is a thing. You only lose like 10% performance when comparing ExpressCard (4Gbit) to native PCI-E Sources: http://forum.techinferno.com/diy-e-gpu-projects/6578-implementations-hub-tb-ec-mpcie.html#post89707 http://forum.techinferno.com/diy-e-gpu-projects/6578-impleme... and specifically: http://www.3dmark.com/3dm/4476434 http://www.3dmark.com/3dm/4476434
- cwyers 11y ago
  10% is kind of a lot.
  - wlesieutre 11y ago
    Given that the alternative is an 100% of an integrated GPU, I'd still take 90% of a dedicated desktop GPU at my laptop dock.
orik 11y ago
Single GPU setups show no performance degradation at 2.0 x16 and some/slight degradation at 2.0 x8., 5GB/s should do just fine. https://www.techpowerup.com/reviews/NVIDIA/GTX_980_PCI-Express_Scaling/21.html https://www.techpowerup.com/reviews/NVIDIA/GTX_980_PCI-Expre...
- richardboegli 11y ago
  Good to see