NVIDIA RTX PRO 4000 Blackwell SFF vs AMD Radeon Pro V520
GPU · Specs Compare
Graphics Card
Release Date
Aug 2025
Dec 2020
Generation
Blackwell PRO W
Radeon Pro
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
577 MHz
1000 MHz
Boost Clock
1432 MHz
1600 MHz
Memory Clock
1125 MHz
1000 MHz
Memory
Memory Size
24GB
8GB
Memory Type
GDDR7
HBM2
Memory Bus
192bit
2048bit
Bandwidth
432.0GB/s
512.0GB/s
Render Config
SM Count
70
—
Shading Units
8960
2304
TMUs
280
144
ROPs
96
64
Tensor Cores
280
—
RT Cores
70
—
L1 Cache
128 KB (per SM)
—
L2 Cache
48 MB
4 MB
Compute Units
—
36
Theoretical Performance
Pixel Rate
137.5 GPixel/s
102.4 GPixel/s
Texture Rate
401.0 GTexel/s
230.4 GTexel/s
FP16 (half)
25.66 TFLOPS
14.75 TFLOPS
FP32 (float)
25.66 TFLOPS
7.373 TFLOPS
FP64 (double)
401.0 GFLOPS
460.8 GFLOPS
Graphics Processor
GPU Name
GB203
Navi 12
Architecture
Blackwell 2.0
RDNA 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
45.6 billion
Unknown
Die Size
378 mm²
Unknown
GPU Variant
—
Navi 12
Board Design
TDP
70W
225W
Suggested PSU
250 W
550 W
Outputs
4x mini-DisplayPort 2.1b
No outputs
Power Connectors
None
1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.2
Vulkan
1.4
1.3
CUDA
12.0
—
Shader Model
6.8
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.