NVIDIA RTX PRO 4000 Blackwell SFF vs AMD Radeon RX 560 XT
GPU Specs Compare
Graphics Card
Release Date
Aug 2025
Mar 2019
Generation
Blackwell PRO W
Polaris
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
577 MHz
1074 MHz
Boost Clock
1432 MHz
1226 MHz
Memory Clock
1125 MHz
1750 MHz
Memory
Memory Size
24GB
4GB
Memory Type
GDDR7
GDDR5
Memory Bus
192bit
256bit
Bandwidth
432.0GB/s
224.0GB/s
Render Config
SM Count
70
-
Shading Units
8960
1792
TMUs
280
112
ROPs
96
32
Tensor Cores
280
-
RT Cores
70
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
2 MB
Compute Units
-
28
Theoretical Performance
Pixel Rate
137.5 GPixel/s
39.23 GPixel/s
Texture Rate
401.0 GTexel/s
137.3 GTexel/s
FP16 (half)
25.66 TFLOPS
4.394 TFLOPS
FP32 (float)
25.66 TFLOPS
4.394 TFLOPS
FP64 (double)
401.0 GFLOPS
274.6 GFLOPS
Graphics Processor
GPU Name
GB203
Ellesmere
Architecture
Blackwell 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
45.6 billion
5.7 billion
Die Size
378 mm²
232 mm²
GPU Variant
-
Polaris 10 LE1
Board Design
TDP
70W
150W
Suggested PSU
250 W
450 W
Outputs
4x mini-DisplayPort 2.1b
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.4
1.2
CUDA
12.0
-
Shader Model
6.8
6.4