AMD Radeon RX 7900 XT Reportedly Launching in November, 2-3 Months After the NVIDIA RTX 4090

AMD’s RDNA 3 flagship will reportedly hit retail right before the holiday season. According to Greymon55, the Radeon RX 7900 XT powered by the Navi 31 core will be launched in November, in line with the tipster’s earlier claims. Packing a total of seven chiplets, one compute and six memory complex dies, it’ll approximately offer double the performance of the RX 6900 XT with comparable TGPs.

Credits: Olrak (Twitter)

The 5nm GCD on the RX 7900 XT will feature 12,288 cores across 96 CUs and 48 WGPs alongside 16 or 32GB of GDDR6 memory. Each of the 6nm MCDs will feature a 64-bit memory controller and a chunk of the L3 “Infinity” Cache for a total bus width of 384-bit. The Infinity Cache will be 3D stacked on the MCDs (as well?) for an overall LLC of 256MB or more. The TGP shouldn’t be much higher than the RX 6900 XT, staying mostly under 400W.

GPU NameRX 7700 XT (Navi 33)RX 7800 XT (Navi 32)RX 7900 XT (Navi 31)RX 7950 XT (Navi 30?)
Process Node6nm5nm + 6nm5nm + 6nm5nm + 6nm
Die Config6nm x15nm x1, 6nm x45nm x1, 6nm x55nm x1, 6nm x6
Shader Engines2466
Memory Bus128-bit256-bit320-bit?384-bit?
Memory Capacity8GB16GB20GB?24GB?
Infinity Cache64MB128MB192MB192MB?
LaunchQ4 2022Q1 2023Q4 20222023

By targeting a November launch for the Radeon RX 7900 XT, AMD has essentially given NVIDIA two to three months of free reign with the RTX 4090, granted that it actually ends up launching in August or September.



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