Product Compare

NVIDIA RTX PRO 4000 Blackwell SFF vs NVIDIA GB10

GPU GPU
Graphics Card
Release Date Aug 2025 Oct 2025
Generation Blackwell PRO W Server Blackwell
Type Desktop Desktop
Bus Interface PCIe 5.0 x8 PCIe 5.0 x16
Clock Speeds
Base Clock 577 MHz 1665 MHz
Boost Clock 1432 MHz 2418 MHz
Memory Clock 1125 MHz 1067 MHz
Memory
Memory Size 24GB 128GB
Memory Type GDDR7 LPDDR5X
Memory Bus 192bit 256bit
Bandwidth 432.0GB/s 273.2GB/s
Render Config
SM Count 70 48
Shading Units 8960 6144
TMUs 280 384
ROPs 96 48
Tensor Cores 280 384
RT Cores 70 48
L1 Cache 128 KB (per SM) 256 KB (per SM)
L2 Cache 48 MB 50 MB
Theoretical Performance
Pixel Rate 137.5 GPixel/s 116.1 GPixel/s
Texture Rate 401.0 GTexel/s 928.5 GTexel/s
FP16 (half) 25.66 TFLOPS 29.71 TFLOPS
FP32 (float) 25.66 TFLOPS 29.71 TFLOPS
FP64 (double) 401.0 GFLOPS 464.3 GFLOPS
Graphics Processor
GPU Name GB203 GB20B
Architecture Blackwell 2.0 Blackwell 2.0
Foundry TSMC TSMC
Process Size 5 nm 3 nm
Transistors 45.6 billion Unknown
Die Size 378 mm² Unknown
Board Design
TDP 70W 140W
Suggested PSU 250 W 300 W
Outputs 4x mini-DisplayPort 2.1b 1x HDMI
Power Connectors None None
Graphics Features
DirectX 12 Ultimate (12_2) N/A
OpenGL 4.6 N/A
OpenCL 3.0 3.0
Vulkan 1.4 N/A
CUDA 12.0 12.1
Shader Model 6.8 N/A