NVIDIA RTX PRO 4000 Blackwell SFF vs AMD Radeon RX 6550S
GPU · Specs Compare
Graphics Card
Release Date
Aug 2025
Jan 2023
Generation
Blackwell PRO W
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x8
PCIe 4.0 x4
Clock Speeds
Base Clock
577 MHz
2000 MHz
Boost Clock
1432 MHz
2400 MHz
Memory Clock
1125 MHz
2000 MHz
Memory
Memory Size
24GB
4GB
Memory Type
GDDR7
GDDR6
Memory Bus
192bit
64bit
Bandwidth
432.0GB/s
128.0GB/s
Render Config
SM Count
70
—
Shading Units
8960
1024
TMUs
280
64
ROPs
96
32
Tensor Cores
280
—
RT Cores
70
16
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
48 MB
1024 KB
Compute Units
—
16
L3 Cache
—
16 MB
Theoretical Performance
Pixel Rate
137.5 GPixel/s
76.80 GPixel/s
Texture Rate
401.0 GTexel/s
153.6 GTexel/s
FP16 (half)
25.66 TFLOPS
9.830 TFLOPS
FP32 (float)
25.66 TFLOPS
4.915 TFLOPS
FP64 (double)
401.0 GFLOPS
307.2 GFLOPS
Graphics Processor
GPU Name
GB203
Navi 24
Architecture
Blackwell 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
6 nm
Transistors
45.6 billion
5.4 billion
Die Size
378 mm²
107 mm²
GPU Variant
—
Navi 24
Board Design
TDP
70W
50W
Suggested PSU
250 W
—
Outputs
4x mini-DisplayPort 2.1b
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.2
Vulkan
1.4
1.3
CUDA
12.0
—
Shader Model
6.8
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.