AMD Radeon 5800 XT (big NAVI) to get 80 Compute units?

by Hilbert Hagedoorn on: 01/21/2020 10:00 AM | source: chiphell | 63 comment(s)

The rumor mill on graphics cards news stops, today big NAVI is rumored to get 80 CS, that's double the 5700 XT. This would make the chip twice the size of the Radeon RX 5700 XT. Albeit AMD already confirmed the chip to be released this year, specs have never been mentioned.

Of course, specifications are derived from the rumor mill and should to be treated with caution. The new comes from Chiphell forum. That's 80 compute units with RDNA2 architecture and native ray tracing support, the chip: Navi 21.

The only question that arises, is whether this is realistic as doubling up CU count doubles up the die size, on the same 7nm fabrication node. AMD is keen to become a big player again in the enthusiast segment. To tackle a 2080 Ti they need something powerful, and Ampere/Hopper is lurking around the corner as well.

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anticupidon

Posts: 4790
Joined: 2008-03-06

#5752689 Posted on: 01/21/2020 10:09 AM

Well, sounds good. Meanwhile the red team should/could/must tweak and optimize the drivers.
We all know how important is to have solid driver, able to make shine one product.
But Lisa Su until now proven a very capable lídCEO and lider and having foresight bordering the clairvoyant.

Evildead666
Senior Member

Posts: 1281
Joined: 2003-09-14

#5752690 Posted on: 01/21/2020 10:31 AM

If it needs memory bandwidth, it will need either a 512bit bus, or HBM.
I'd expect HBM again, for the very high end.

Not looking like chiplets yet either, unless they Quad-up the 5500/XT die.

DonMigs85
Member

Posts: 23
Joined: 2017-02-23

#5752692 Posted on: 01/21/2020 10:48 AM

It may slightly exceed the 2080 Ti, and perhaps match/slightly exceed the RTX 3070 as well, but will be far less efficient as usual

cryohellinc
Senior Member

Posts: 2978
Joined: 2014-10-20

#5752694 Posted on: 01/21/2020 10:55 AM

Sincerely looking forward to more information on this!

Netherwind
Senior Member

Posts: 7149
Joined: 2009-11-13

#5752696 Posted on: 01/21/2020 10:57 AM

Better than 2080Ti would be amazing. Obviously I'm still hoping for a card matching the 3080Ti so I can go Team Red for GPU as well but who knows.

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