AMD Radeon RX 6600M vs NVIDIA RTX PRO 4000 Blackwell SFF
GPU · Specs Compare
Graphics Card
Release Date
May 2021
Aug 2025
Generation
Mobility Radeon
Blackwell PRO W
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x8
Clock Speeds
Base Clock
2068 MHz
577 MHz
Boost Clock
2416 MHz
1432 MHz
Memory Clock
1750 MHz
1125 MHz
Memory
Memory Size
8GB
24GB
Memory Type
GDDR6
GDDR7
Memory Bus
128bit
192bit
Bandwidth
224.0GB/s
432.0GB/s
Render Config
Compute Units
28
—
Shading Units
1792
8960
TMUs
112
280
ROPs
64
96
RT Cores
28
70
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
48 MB
L3 Cache
32 MB
—
SM Count
—
70
Tensor Cores
—
280
Theoretical Performance
Pixel Rate
154.6 GPixel/s
137.5 GPixel/s
Texture Rate
270.6 GTexel/s
401.0 GTexel/s
FP16 (half)
17.32 TFLOPS
25.66 TFLOPS
FP32 (float)
8.659 TFLOPS
25.66 TFLOPS
FP64 (double)
541.2 GFLOPS
401.0 GFLOPS
Graphics Processor
GPU Name
Navi 23
GB203
Architecture
RDNA 2.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
11.06 billion
45.6 billion
Die Size
237 mm²
378 mm²
Board Design
TDP
100W
70W
Outputs
No outputs
4x mini-DisplayPort 2.1b
Power Connectors
None
None
Suggested PSU
—
250 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.4
Shader Model
6.5
6.8
CUDA
—
12.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.