NVIDIA RTX PRO 4000 Blackwell SFF vs AMD Radeon RX 6750 GRE
GPU Specs Compare
Graphics Card
Release Date
Aug 2025
Oct 2023
Generation
Blackwell PRO W
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
577 MHz
2321 MHz
Boost Clock
1432 MHz
2581 MHz
Memory Clock
1125 MHz
2250 MHz
Memory
Memory Size
24GB
12GB
Memory Type
GDDR7
GDDR6
Memory Bus
192bit
192bit
Bandwidth
432.0GB/s
432.0GB/s
Render Config
SM Count
70
-
Shading Units
8960
2560
TMUs
280
160
ROPs
96
64
Tensor Cores
280
-
RT Cores
70
40
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
48 MB
3 MB
Compute Units
-
40
L3 Cache
-
96 MB
Theoretical Performance
Pixel Rate
137.5 GPixel/s
165.2 GPixel/s
Texture Rate
401.0 GTexel/s
413.0 GTexel/s
FP16 (half)
25.66 TFLOPS
26.43 TFLOPS
FP32 (float)
25.66 TFLOPS
13.21 TFLOPS
FP64 (double)
401.0 GFLOPS
825.9 GFLOPS
Graphics Processor
GPU Name
GB203
Navi 22
Architecture
Blackwell 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
45.6 billion
17.2 billion
Die Size
378 mm²
335 mm²
GPU Variant
-
Navi 22 KXT
Board Design
TDP
70W
250W
Suggested PSU
250 W
600 W
Outputs
4x mini-DisplayPort 2.1b
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.4
1.3
CUDA
12.0
-
Shader Model
6.8
6.7