NVIDIA RTX PRO 4000 Blackwell SFF vs AMD Radeon Pro Duo
GPU Specs Compare
Graphics Card
Release Date
Aug 2025
Apr 2016
Generation
Blackwell PRO W
Radeon Pro
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
577 MHz
-
Boost Clock
1432 MHz
-
Memory Clock
1125 MHz
500 MHz
Memory
Memory Size
24GB
4GB
Memory Type
GDDR7
HBM
Memory Bus
192bit
4096bit
Bandwidth
432.0GB/s
512.0GB/s
Render Config
SM Count
70
-
Shading Units
8960
4096
TMUs
280
256
ROPs
96
64
Tensor Cores
280
-
RT Cores
70
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
2 MB
Compute Units
-
64
Theoretical Performance
Pixel Rate
137.5 GPixel/s
64.00 GPixel/s
Texture Rate
401.0 GTexel/s
256.0 GTexel/s
FP16 (half)
25.66 TFLOPS
8.192 TFLOPS
FP32 (float)
25.66 TFLOPS
8.192 TFLOPS
FP64 (double)
401.0 GFLOPS
512.0 GFLOPS
Graphics Processor
GPU Name
GB203
Capsaicin
Architecture
Blackwell 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
8.9 billion
Die Size
378 mm²
596 mm²
GPU Variant
-
Capsaicin XT
Board Design
TDP
70W
350W
Suggested PSU
250 W
750 W
Outputs
4x mini-DisplayPort 2.1b
1x HDMI 1.4a3x DisplayPort 1.2
Power Connectors
None
3x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.4
1.2
CUDA
12.0
-
Shader Model
6.8
6.0