Navi 31Navi 32Navi 33
Where Navi 31 is the flagship variant. Initially, we had the following specifications for these GPUs; Based on these leaks, we obtained some initial renders for the Navi 3X GPUs. Wild_C on Twitter compiled a few renders for the Navi 31, Navi 32 and Navi 33 SKUs based on the information we had.
The Changes
angstronomics, posted an article giving us a lot of information and leaks regarding the updated version of these GPUs. In short, the initial specifications were cut-down.
Navi 31
gfx1100 (Plum Bonito)Chiplet – 1x GCD + 6x MCD (0-hi or 1-hi)48 WGP (96 legacy CUs, 12288 ALUs)6 Shader Engines / 12 Shader ArraysInfinity Cache 96MB (0-hi), 192MB (1-hi)384-bit GDDR6GCD on TSMC N5, ~308 mm²MCD on TSMC N6, ~37.5 mm²
Navi 32
gfx1101 (Wheat Nas)Chiplet – 1x GCD + 4x MCD (0-hi)30 WGP (60 legacy CUs, 7680 ALUs)3 Shader Engines / 6 Shader ArraysInfinity Cache 64MB (0-hi)256-bit GDDR6GCD on TSMC N5, ~200 mm²MCD on TSMC N6, ~37.5 mm²
Navi 33
gfx1102 (Hotpink Bonefish)Monolithic16 WGP (32 legacy CUs, 4096 ALUs)2 Shader Engines / 4 Shader ArraysInfinity Cache 32MB128-bit GDDR6TSMC N6, ~203 mm²
Quite importantly, AMD decided to lower the cache on all their Navi 3X SKUs. While this may disappoint a few, AMD is planning to cut down costs and offer the best price-performance ratio. The Navi31 (specifications unknown) is on par with NVIDIA’s RTX 4090 in leaked TSE benchmarks. As of now, we have the following updated/leaked specifications for all the RDNA 3 GPUs;
