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[JEMC]

Pemalite said:

JEMC said:

I was watching the Hardware Unboxed video comparing FSR4 and DLSS (link here) at 4K when a post in the comments caught my attention:

(It's the second one when writing this, in case you can't read it well or want to check it there)

I thought you may be interested, since it hasn't appeared in regular news articles (but Linux stuff rarely does).

If that is the performance we could expect from RDNA3, I have to agree that porting it over wouldn't do much good.

Yeah, had this discussion in another thread on this site when someone said "Just backport it to FP16, it's simple".
But whenever you double precision you tend to halve your performance if everything else is kept equal.

7 times lower performance is a hell of a difference though, so they may be doing something else behind the curtains which comes with such a corresponding hit.

I see.

The performance loss is huge, yes, but since FSR4 is roughly one month old, I'd say that this project is still in the early stages and that there's room for improvement, even if they'll never reach parity.