New leaks are coming around the AMD Radeon RX 7900XTthe company’s future high-end GPU based on the graphics chip Navi 31. This information comes from @Greymon55a fairly reliable source of leaks, which indicates that this GPU with a multichip design would offer 28% improvement in FP32 performance compared to the initial rumors of a 75 TFLOP performance, so we’re basically talking about quadruples the performance of the AMD Radeon RX 6900 XTthe company’s current high-end GPU based on the Navi 21 (23.04 TFLOP) graphics chip.

AMD Radeon RX 7900XT
AMD Radeon RX 6900XT

By digging into the information, this GPU with a multichip design, will combine two manufacturing processes of TSMC: lbone 6nm + 5nm. This will bring to life a graphics chip that will offer up to 15360 stream processors at a frequency that could touch 3000MHz In order to provide a performance of 92 TFLOPs versus 75 TFLOPs on today’s high-end GPU.

This graphics chip could accompany 256 or 512 MB of cache memory Infinity Cache, could offer 24 GB of 18 Gbps GDDR6 memory accompanied by a 256-bit interface, and for now the energy consumption it will reach is unknown, recalling that its direct rival, the Nvidia GeForce RTX 4090it is assumed that it will have a consumption of 600W of power achieve a performance of 100 TFLOPs.

Comparison of the next generation of high-end GPUs (as rumored)
Model GeForce RTX 4090 RadeonRX7900
Lithography TSMC 5nm or 4nm TSMC 5nm + 6nm
Architecture Ada Lovelace RDNA3
GPU design Monolithic Multi-Chip Module (MCM)
GPU size ~600mm² ~800mm²
Ten a 2 GCDs + 4 MCDs + 1 IOD
FP32 Cores 18432 CUDA cores 15360 stream processors
Freq. GPUs ~2700MHz ~2995MHz
Memory 24 GB of GDDR6X memory 24 GB of GDDR6 memory
Freq. memory + interfaces 21 Gbps with 384 bit NA / 256 bit
L2 cache 96 MB 256MB/512MB
Energy consumption 600W (TDP) N / A
Launch Q3/Q4 2022 Q3/Q4 2022
Performance ~100 TFLOPs FP32 ~92 TFLOPs FP32

via: video cardz