Eh I'm not so sure about this Tegra X1 ... it's powerful for a mobile chip but it's pretty weak even against a XBox 360/PS3 it looks like:
https://www.youtube.com/watch?v=M2X9zBrUlDA
This is Metal Gear Rising, the PS3/360 game head to head it's on the Tegra X1 (Shield Console) too ... the frame rate absolutely blows compared to the 360/PS3 versions.
And this is the full featured chip, that would be running at 20 watts, this would be way too hot for a Nintendo portable.







