NVIDIA RTX PRO 4000 Blackwell SFF vs NVIDIA RTX PRO 4500 Blackwell Workstation
GPU Specs Compare
Graphics Card
Release Date
Aug 2025
Mar 2025
Generation
Blackwell PRO W
Blackwell PRO W
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
577 MHz
1635 MHz
Boost Clock
1432 MHz
2407 MHz
Memory Clock
1125 MHz
1750 MHz
Memory
Memory Size
24GB
32GB
Memory Type
GDDR7
GDDR7
Memory Bus
192bit
256bit
Bandwidth
432.0GB/s
896.0GB/s
Render Config
SM Count
70
82
Shading Units
8960
10496
TMUs
280
328
ROPs
96
112
Tensor Cores
280
328
RT Cores
70
82
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
48 MB
64 MB
Theoretical Performance
Pixel Rate
137.5 GPixel/s
269.6 GPixel/s
Texture Rate
401.0 GTexel/s
789.5 GTexel/s
FP16 (half)
25.66 TFLOPS
50.53 TFLOPS
FP32 (float)
25.66 TFLOPS
50.53 TFLOPS
FP64 (double)
401.0 GFLOPS
789.5 GFLOPS
Graphics Processor
GPU Name
GB203
GB203
Architecture
Blackwell 2.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
45.6 billion
45.6 billion
Die Size
378 mm²
378 mm²
Board Design
TDP
70W
200W
Suggested PSU
250 W
550 W
Outputs
4x mini-DisplayPort 2.1b
4x DisplayPort 2.1b
Power Connectors
None
1x 16-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.4
CUDA
12.0
12.0
Shader Model
6.8
6.9