amd-radeon-rx-7900-“navi-31”-rdna-3-graphics-cards-allegedly-feature-20-gbps-memory

AMD is perhaps equipping quicker GDDR6 reminiscence chips on its upcoming high-end Radeon RX 7900 collection graphics playing cards primarily based on Navi 31 “RDNA 3” GPUs.

AMD’s High-End RDNA 3 “Navi 31” Powered Radeon RX 7900 Graphics Cards Allegedly Feature 20 Gbps Memory

The newest rumor comes from Greymon55 and states that the purple crew’s quickest RDNA 3 GPUs primarily based on the Navi 31 SKU will make the most of quicker GDDR6 reminiscence dies. AMD’s RDNA 2-powered Navi GPUs include as much as 18 Gbps reminiscence speeds. The 18 Gbps reminiscence was added to the latest RDNA 2 refresh whereas the preliminary lineup made use of 16 Gbps dies.

Since 7000XT will use 20Gbps, I suppose 7x50XT will nonetheless be 24Gbps+frequency improve mode.

— Greymon55 (@greymon55) July 30, 2022

It is said that the Radeon RX 7900 collection which can cowl the high-end phase with their highly effective MCM-based Navi 31 GPU design, will provide as much as 20 Gbps reminiscence speeds. That’s a rise of 11% in comparison with the prevailing quickest reminiscence resolution for the AMD Radeon RX 6000 playing cards.

AMD Radeon RX 7900 “Navi 31” RDNA 3 Graphics Cards Allegedly Feature 20 Gbps Memory

Considering that the AMD Radeon RX 7900 collection flagship comes with a 384-bit bus interface, we might be getting a 960 GB/s bandwidth resolution plus there’s additionally Infinity Cache’s bandwidth which is predicted to be elevated to 384 MB (192 MB commonplace + 192 MB 3D V-Cache in six MCDs). Recent hypothesis has proven that with the brand new MCD Infinity Cache construction, the Radeon RX 7900 collection can provide as much as a theoretical 7 TB/s bandwidth which might be a large enhance versus the 1.79 TB/s bandwidth at the moment accessible on the RX 6950 XT graphics card.

A 7000 collection improve exists. But the time is comparatively late and I personally suppose that upgrading to 24Gbps is extremely possible.

— Greymon55 (@greymon55) July 30, 2022

I feel early 2024 is extra possible.

— Greymon55 (@greymon55) July 30, 2022

But that is not all, the leaker additionally says that an RDNA 3 refresh may function the high-end 24 Gbps reminiscence dies. This would yield the identical GDDR6 bandwidth as NVIDIA’s flagship GeForce RTX 3090 Ti graphics card. Even the RTX 4090 Ti is predicted to make the most of 24 Gbps reminiscence dies although we’ll see if that plan adjustments sooner or later. As for when the refresh is deliberate, it’s anticipated across the finish of 2023 or early 2024 so we acquired greater than a 12 months to go and the launch of AMD RDNA 3’s preliminary household to be witnessed earlier than we discuss a refresh. The reminiscence can be outfitted with the entire refreshed fashions.

AMD RDNA 3 Navi 3X GPU Configurations (Preliminary)

GPU Name Navi 21 Navi 33 Navi 32 Navi 31 Navi 3X
GPU Process 7nm 6nm 5nm/6nm 5nm/6nm 5nm/6nm
GPU Package Monolithic Monolithic MCM (1 GCD + 4 MCD) MCM (1 GCD + 6 MCD) MCM (TBD)
GPU Die Size 520mm2 ~400mm2 440mm2 630mm2 TBD
Shader Engines 4 2 4 6 8
GPU WGPs 40 20-16 40-32 60-48

64
SPs Per WGP 128 256 256 256 256
Compute Units (Per Die) 80 40-32 160 -128 (Total) 240-192 (Total) 128 (per GPU)


256 (Total)
Cores (Per Die) 5120 5120-4096 10240-8192 15360-12288 8192
Cores (Total) 5120 5120-4096 10240-8192 15360-12288 16,384
Memory Bus 256-bit 128-bit 256-bit 384-bit 384-bit x2?
Memory Type GDDR6 GDDR6 GDDR6 GDDR6 GDDR6
Memory Capacity Up To 16 GB Up To 8 GB Up To 16 GB Up To 24 GB Up To 32 GB
Memory Speed 16-18 Gbps TBD TBD 20 Gbps TBD
Memory Bandwidth 512-576 GB/s TBD TBD 960 GB/s TBD
Infinity Cache 128 MB 128 MB 256 MB 384 MB TBD
Flagship SKU Radeon RX 6900 XTX Radeon RX 7600 XT? Radeon RX 7800 XT?


Radeon RX 7700 XT?
Radeon RX 7900 XT? Radeon Pro
TBP 330W ~200W ~300W ~400W TBD
Launch This autumn 2020 This autumn 2022? This autumn 2022? This autumn 2022? 2023?

News Source: Videocardz

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