Product Compare

AMD Radeon Pro W6400 vs NVIDIA RTX PRO 4000 Blackwell SFF

GPU GPU
Graphics Card
Release Date Jan 2022 Aug 2025
Generation Radeon Pro Blackwell PRO W
Type Desktop Desktop
Bus Interface PCIe 4.0 x4 PCIe 5.0 x8
Clock Speeds
Base Clock 2331 MHz 577 MHz
Boost Clock 2331 MHz 1432 MHz
Memory Clock 1750 MHz 1125 MHz
Memory
Memory Size 4GB 24GB
Memory Type GDDR6 GDDR7
Memory Bus 64bit 192bit
Bandwidth 112.0GB/s 432.0GB/s
Render Config
Compute Units 12
Shading Units 768 8960
TMUs 48 280
ROPs 32 96
RT Cores 12 70
L1 Cache 128 KB per Array 128 KB (per SM)
L2 Cache 1024 KB 48 MB
L3 Cache 8 MB
SM Count 70
Tensor Cores 280
Theoretical Performance
Pixel Rate 74.59 GPixel/s 137.5 GPixel/s
Texture Rate 111.9 GTexel/s 401.0 GTexel/s
FP16 (half) 7.161 TFLOPS 25.66 TFLOPS
FP32 (float) 3.580 TFLOPS 25.66 TFLOPS
FP64 (double) 223.8 GFLOPS 401.0 GFLOPS
Graphics Processor
GPU Name Navi 24 GB203
GPU Variant Navi 24 XL-W
Architecture RDNA 2.0 Blackwell 2.0
Foundry TSMC TSMC
Process Size 6 nm 5 nm
Transistors 5.4 billion 45.6 billion
Die Size 107 mm² 378 mm²
Board Design
TDP 50W 70W
Suggested PSU 250 W 250 W
Outputs 2x DisplayPort 1.4a 4x mini-DisplayPort 2.1b
Power Connectors None None
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.2 3.0
Vulkan 1.3 1.4
Shader Model 6.6 6.8
CUDA 12.0