NVIDIA GB10 vs NVIDIA RTX PRO 4000 Blackwell
GPU · Specs Compare
Graphics Card
Release Date
Oct 2025
Mar 2025
Generation
Server Blackwell
Blackwell PRO W
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1665 MHz
1230 MHz
Boost Clock
2418 MHz
2055 MHz
Memory Clock
1067 MHz
1750 MHz
Memory
Memory Size
128GB
24GB
Memory Type
LPDDR5X
GDDR7
Memory Bus
256bit
192bit
Bandwidth
273.2GB/s
672.0GB/s
Render Config
SM Count
48
70
Shading Units
6144
8960
TMUs
384
280
ROPs
48
96
Tensor Cores
384
280
RT Cores
48
70
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
48 MB
Theoretical Performance
Pixel Rate
116.1 GPixel/s
197.3 GPixel/s
Texture Rate
928.5 GTexel/s
575.4 GTexel/s
FP16 (half)
29.71 TFLOPS
36.83 TFLOPS
FP32 (float)
29.71 TFLOPS
36.83 TFLOPS
FP64 (double)
464.3 GFLOPS
575.4 GFLOPS
Graphics Processor
GPU Name
GB20B
GB203
Architecture
Blackwell 2.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
3 nm
5 nm
Transistors
Unknown
45.6 billion
Die Size
Unknown
378 mm²
Board Design
TDP
140W
140W
Suggested PSU
300 W
300 W
Outputs
1x HDMI
4x DisplayPort 2.1b
Power Connectors
None
1x 16-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.4
CUDA
12.1
12.0
Shader Model
N/A
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.