Here's some Navi leaks. Take it with big boxes of salt.

Navi21

Up to 80 compute units/5120 GPU cores
A die size of around 505mm²
50% better performance per watt



https://hardwareleaks.com/2020/05/23/exclusive-future-amd-gpu-stack-navi21-navi10-refresh/

Yeah, saw it this morning and left me puzzled.

One the one hand, that rumored Navi 21 is exactly twice as big as Navi 10 (the 5700XT has 40 CUs, 2560 shaders and 251mm²), which is impressive. From a theoretical (and completely false), point of view, that could give us twice the performance of the current parts at the same power consumption. And that's before taking into account architecture improvements/optimizations... But, for some reason, I have a really hard time believing it. My brain refuses to acept this possibility.

Tho I have to admit that it would honor its "big Navi" nickname.

And on the other hand, the leak also talks about Navi 10 refresh, which makes me wonder if AMD will go back to its bad antics of reusing/rebranding existing parts like they did a few years ago. Don't get me wrong, a RX 6600 (to say something) powered by the same Navi 10 chip that's inside a 5700 would be great, but it's a reused part that won't have any of the improvements nor the ray tracing capabilities of its bigger parts and the Nvidia counterparts.

So yeah, I'm divided, equally excited and worried.

I can certainly see the CU/core count if they want to take on Nvidia. The key thing to remember about power consumption is that it's 50% better performance per watt at a given frequency which they won't disclose so could be any amount. As higher the frequency goes, the less efficient it becomes.

I don't mind the 5700 XT being rebranded if the pricing makes sense. 5700XT for say $250 or $200 would be pretty good.

I am guessing 40-50% performance per watt gains.
We need to keep in mind that the blowing-out of Big Navi's chip size isn't sunk entirely into rasterization performance, AMD had to invest in Ray Tracing cores.

Don't get me wrong. A $250-300 (there's no way they sall it for 200) part with the performance of the 5700XT would be amazing and very welcome. But it bothers me that, once again, AMD can't seem to be able to refresh their entire lineup.

But I'm getting ahead. After all, the refresh parts could be for mobile/embedded products, with the desktop parts all being based on RDNA2.

I think at the time Navi got developed, AMD was still very strapped for cash and ressources and were concentrating all it's ressources on Zen, so they couldn't develop an entire stack just yet and had to concentrate on a certain chip instead, like they did with Polaris and Vega before. But I think in 2021-2022 AMD will finally release a full stack of GPUs again, as they are finally able to develop both CPU and GPU at full speed in parallel to each other.

At least they could patch them all together into a common naming scheme for now, something like this:

Lexa (8-10 GCN4 CU): OEM only  RX 6100

Baffin (14-16 GCN4 CU): Entry level RX 6200

Navi 14 XT (22 RDNA CU): Budget Gaming RX 6400

Navi 10 XE-XL (32-36 RDNA CU): RX 6500

Navi 10 XT (40 RDNA CU) RX 6600

Navi 23 (52 RDNA 2 apparently): RX 6700

Navi 21 (80 RDNA2 CU?) RX 6800-6900

As for the Navi 21 leak, it reminded me of the 4870 a dozen years ago and what big of a jump over the 3870 it was, going from 4 to 10 Shader groups (Or CU, as their GCN equivalent would be known as later on).

I have no complains about the Navi lineup. It covered everything from the 570XT to the 5300XT parts. Anything lower than that and you're not getting a GPU for gaming, but rather a video output... and you'd almost be better served with an APU.

But I swear to God, if AMD's RX 6000 range features any GCN parts, I'm going to lose it. There will be no expuses for that other than laziness and being cheap.

Oh, and I wouldn't put too much faith in that Navi 23 part. It has the same specs as the part inside the Xbox Series X and that could be the internal name for it or something like that. It doesn't have to be a GPU that will become a retail card, tho I wouldn't mind it.

I thought the XSX was Navi 22?

In any case, there's a huge gap otherwise between Navi 10 and 21, and something needs to fill it up at least a little bit. Could be another part of course, but something would need to fill that void.

As for Baffin in a RX 6000 lineup, I wouldn't mind really. That's more on OEMs requiring something between Lexa and Navi 14 - but that's more for third world countries where that is considered good enough for e-sports titles, but too small a market on it's own to be worth creating a new chip for. I did never see those entry-level cards in the wild otherwise. And yes, APUs will fill that gap, but again not in less developed countries where everybody saves on RAM as much as possible to keep costs low, which cripples the APUs of course.

The specs are the same: XSX vs Navi 23.

I agree that there has to be something else to fill that gap. Between the 40 of Navi 10 and the rumored 80 of Navi 20, there's enough room for both the 6700 and 6600 parts.

So Steam spring cleaning thing has this cool section. It's the 4th one down called Time Machine. It shows the first 3 games you purchased on Steam. Here's mine which is pretty predictable loll.