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Soundwave on 21 May 2020
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curl-6 said:
Pemalite said:

I think with the technology we -currently- have available, we might see around Xbox One levels of performance with the Switch 2, if Nintendo adopts nVidia's latest SoC which is a big ask.

We already have LPDDR5 which can increase bandwidth by 50% over LPDDR4X (Switch uses older/slower LPDDR4), so 50GB/s of bandwidth should be possible for a Switch 2... Which is roughly what you want to start touching full 1080P.
LPDDR5X might be a thing by then too... Who knows.

So if that's whats currently available, any idea about what could be available for a release in 2023?

Apple crossed/matched XBox One level performance two years ago with the Apple A12X chip ... Nvidia prior to that was fairly even with Apple's big ticket offerings, the Tegra X1 is pretty equivalent to the Apple A9X that launched that same year for example. Since then Nvidia has gone quiet on future Tegra X processors likely because Nintendo has asked them to as they are the main vendor for said chip and if Nvidia was talking years in advance about it everyone and their grandma on the internet would be saying it's the Switch 2 chip. 

By 2023 they should be able to do something in raw power that I think is beyond a PS4, the same way the Switch Tegra X1 is beyond a PS3/360 (especially docked). 

But when you factor in DLSS 2.0 or 3.0 ... that performance jumps massively, that is something that wasn't available in the past and means the same chip now only has to render like 1/4-1/8th the pixels or even less. That's a huge game changer. 

So suddenly a chip that's PS4+ becomes close to an actual PS5 in terms of the games it can run. 

Remember the Tegra X1 launch in May 2015, so that is 18 months after the PS4/XB1 and it is able to run PS4/XB1 games, and some pretty beefy ones at that ... Witcher 3 and DOOM are not low end PS4 titles. With no advantage of DLSS at all. 

PS5 in November 2020 versus a new Switch 2 in say summer/fall 2023 is actually a bigger time gap by over a year long than the gap between PS4 and Tegra X1. Nvidia has way better graphics engineers than AMD ... AMD can't even beat Nvidia's Turing architecture which is 2 years old now even on a smaller node (7nm vs. 12nm) which is sad.