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Look out Nvidia new AMD RDNA 3 GPU leak promises big things

AMD Radeon RX 6800XT side view

(Image credit: AMD)

AMDs next-gen graphics cards are rumored to be somewhat unique of previously expected spec-wise, going by way of a new leak even though theres a little bit of disappointment about some assertions manufactured in this fresh spillage, theres really nothing to be worried about. Indeed, its likely Nvidia thatll be worrying over a few of the info floated here

Before we enter why that could be the case, lets examine the leak itself, which originates from Angstronomics (via VideoCardz (opens in new tab)), a publication which covers the semiconductor industry that weve heard from before. (Even though it isnt one of the most regular sources that divulge information on Twitter, we regard Angstronomics as reliable enough and also a major YouTube leaker pretty much backs up these seriously in-depth details, and well get back to that).

Angstronomics draws the line on RDNA 3!We detail key specifications of Navi31, Navi32 and Navi33 which were finalized in 2020 and also have not changed since!We also highlight some architectural changes including OREOWGP, Cache and die sizes inside! 12, 2022

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The main element points to the speculation include that AMD is focusing on area, area, area, meaning smaller chips which are still powerful enough going to Team Reds performance targets for RDNA 3, in addition to a concentrate on performance per watt (efficiency). Needless to say the company has recently boasted about hitting a 50% increase over RDNA 2 with the latter (exactly the same jump RDNA 2 made on the original RDNA architecture).

Apply your personal seasoning liberally with all of this, but Angstronomics tells us that Navi 31 the flagship model for RX 7000 graphics cards will undoubtedly be as rumored with one Graphics Chiplet Die (GCD) plus six Memory Chiplet Dies (MCDs), with 12,288 cores (referred to as ALUs). That main GCD will apparently be 308mm in proportions, and another big differ from previous speculation mentioned may be the Infinity Cache size that is apparently 96MB for the very best dog model (a cut-down Navi 31, presumably the non-XT version, use 80MB).

The rumor mill has mentioned much bigger sizes than this, such as for example 192MB; and even the prevailing Navi 21 employs 128MB of Infinity Cache, so itd actually be smaller than that. Angstronomics reckons that AMD attempted twice the quantity of stacked cache for Navi 31, but that didnt workout to supply enough additional performance to be worth doing.

Hence a few of the slight disappointment around these rumored specs, and the next point which includes caused just a little concern includes the purported configuration for Navi 32, which Angstronomics asserts will run with 7,680 cores instead of 8,192 as previously believed. Infinity Cache is apparently set to be pitched at around 64MB, and perhaps 128MB for a 3D-stacked model (but again, it looks like AMD could have mulled this notion, and abandoned it because of it not making sense cost-wise for the excess performance gained).

For Navi 33, the mid-range offering, this is a whole lot smaller if Angstronomics is on the amount of money, with the chip previously rumored to perhaps be up towards 400mm in proportions, but actually weighing in at similar to 200mm. Itll supposedly run with 32MB of Infinity Cache.

Concerning the coolant system for the flagship RDNA 3 graphics card, AMD is regarded as keeping an identical triple-fan system to the prevailing flagship, but itll be considered a bit taller. The GPU use a couple of 8-pin PCIe power connectors, based on the leaker.

Analysis: Worried by all of this? Well, maybe its Nvidia that needs to be worrying

As stated, some folks have already been worrying over components of this purported spec, plus some of the bits which appear to have been decrease slightly or perhaps a lot regarding Infinity Cache in comparison to previous chatter from the grapevine. However, theres you don’t need to worry really, and even, its potentially Nvidia that needs to be doing the fretting, and heres why.

Interestingly, Moores Law is Dead (opens in new tab) (MLID), a prominent YouTube leaker, has swiftly chimed in with this one, and after having spoken to multiple sources, he virtually backs up precisely what Angstronomics puts forward here. Having said that, theres one key difference, namely that for the Navi 32 GPU, MLID continues to be hearing it’ll be 8,192 cores, as opposed to the 7,680 cores mentioned in this new leak. Needless to say, MLID still admits his sources could possibly be wrong, so that it could go in any event yet (and 7,680 cores is obviously feasible).

MLIDs sources do broadly back up the accuracy of the specs and smaller die sizes mentioned here, and lesser loadouts of Infinity Cache but heres the main element thing with this front. MLID notes that the performance estimates hes hearing havent really changed, and he still expects AMD to keep the rumored performance leaps weve found out about previously enough to contend with Nvidias RTX 4000 range even though specs have already been tweaked across the above lines.

Even though performance does find yourself an impression weaker than Nvidia, there shouldnt be much difference MLID theorizes. And we must understand that given small die sizes mentioned, itll be cheaper for AMD to create these RDNA 3 GPUs and for that reason price them to attack Nvidia RTX 4000 models. That may be probably the most exciting thing about next-gen cards, if AMD gets aggressive with pricing, Nvidia could possibly be in big trouble particularly since its more power-hungry GPUs (at the very least going by the rumor mill) could mean other complications such as a PSU upgrade.

In addition Nvidia is supposedly having trouble with choosing the next-gen Lovelace launch schedule, that could allow AMD to obtain within first with RDNA 3 graphics cards, availing itself of a head-start for sales along with each one of these other factors. We shouldnt get overly enthusiastic with some of this rumor peddling, needless to say, but this latest spillage should be worrying for Nvidia on several fronts, wed imagine.

Oh, so when for Intel Angstronomics mentions Navi 33 outdoing the flagship Arc Alchemist GPU while being more power-efficient, and costing not even half as much, which may obviously be considered a tiny torpedo to sink Team Blues desktop GPUs (which already are struggling badly even while it really is, without next-gen rival products being around).

Darren is really a freelancer writing news and features for TechRadar (and occasionally T3) across an easy selection of computing topics including CPUs, GPUs, several other hardware, VPNs, antivirus and much more. He has discussed tech to find the best section of three decades, and writes books in his free time (his debut novel – ‘I KNOW VERY WELL WHAT You Did Last Supper’ – was published by Hachette UK in 2013).

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