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Pemalite on 07 July 2020
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Bofferbrauer2 said:
JEMC said:

*Edit* Oh, and AMD need sto get rid of the damn Vega architecture and move to Navi. I don't understand why they're still sticking with that.

My guess is that Vega is the basis of the upcoming CDNA and is getting fine-tuned through the APU releases.

The other possibility is that work on Renoir and Cezanne got started before Navi was finalized and thus an improved Vega got chosen instead to not slow down the projects.

Compute has always been Graphics Core Next's strong point, which is why AMD benefited so much during the crypto-craze.

I think you are on the money with the assertion that Vega will form the basis of AMD's CDNA efforts... In saying that, RDNA isn't that different from GCN anyway, not from an instruction perspective.

JEMC said:

Hm. The second part convinces me more. Still, given the increaes efficiency and architectural gains, it's hard to understand why they haven't tried to replace it with Navi.

Navi made allot of heavy architectural investments to bolster non-compute aspects, so from a pure compute perspective, Navi is actually inferior to Vega... Vega 64 for example can double the performance of the Radeon 5700XT in pure compute in some scenarios... And do so with only 20% more transistors.

But in gaming the 5700XT can beat Vega 64 by a good 40% in some scenarios... And it's a smaller and cheaper chip.

For APU's, I don't understand AMD's desire to cling to Vega other than cost reasons.



--::{PC Gaming Master Race}::--