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[JEMC]

Pemalite said:

JEMC said:

It's a 160-bit bus design with 640GB/s of memory bandwidth. It says so in the article and Kepler's post. 

160-bit is insanely low... And I genuinely have my doubts.

We haven't had a console with a lower-than-256bit memory bus since the 7th gen consoles. (Ignoring the cheap budget Series S and cheap Nintendo hardware)
Xbox Series X even has a 320bit bus.

That's only going to be 100GB/s more than the Xbox Series X bandwidth, which... Whilst it's not the be-all, end-all; as efficiency is more important, it is not a huge game changer for Neural and RT stuff.
Might work for a more budget focused console (Xbox Series S-esque)

You may have doubts, but that's the info we've got so far. 640GB/s, almost 200GB/s faster than the base PS5 and around 70GB/s more than the PS5Pro.

But it's not like we haven't had clues that could explain this numbers. Keep in mind Sony and AMD partnership with project Amethyst, were one of the three key features is called Universal Compression and it's designed to "improve GPU memory bandwidth". Why would they need that if they were going to have a 320-bit memory bus and 1.2TB/s bandwidth?

Of course, of course, that tech could be for the handheld console, but wouldn't it be a waste to develop it and only use it for one of the two machines?