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Conina on 31 July 2017
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fleischr said:
Conina said:

So how would the SoC in the dock sync/transfer the data fast enough with the SoC and the memory in the Switch? Over USB type-C ? Not fast enough!

That's precisely how nVidia's current external gpu offering (Razer Core) works though : via USB-C/Thunderbolt

And since it's only an extra Tegra X1 rather than a full GPU it's already a lot leaner of a setup than working with a GTX1080 in external form.

So it'll work fine - it's a solution nVidia has worked on for a long time already.

No, that's NOT how nVidia's current external gpu offering (Razer Core) works!

It doesn't combine the internal and external GPU. It is switching the internal GPU off in favor of the external and they don't have to sync.

The Razer Core also uses the Thunderbolt 3 double port protocol: http://www.trustedreviews.com/reviews/razer-core

The Switch uses USB 3.0, which is a completely different league: https://www.ifixit.com/Teardown/Nintendo+Switch+Teardown/78263#s156423

The Drive PX 2 which connects two Tegras on one board has a bandwith of over 50 GB/s (400 Gbps)... that is also "a bit" faster than the 0.625 GB/s (5 Gbps) the Switch can (theoretically) reach: