NVIDIA RTX PRO 4000 Blackwell SFF vs AMD Radeon E8870
GPU Specs Compare
Graphics Card
Release Date
Aug 2025
Sep 2015
Generation
Blackwell PRO W
Embedded
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x8
MXM-B (3.0)
Clock Speeds
Base Clock
577 MHz
-
Boost Clock
1432 MHz
-
Memory Clock
1125 MHz
1500 MHz
Memory
Memory Size
24GB
4GB
Memory Type
GDDR7
GDDR5
Memory Bus
192bit
128bit
Bandwidth
432.0GB/s
96.00GB/s
Render Config
SM Count
70
-
Shading Units
8960
768
TMUs
280
48
ROPs
96
16
Tensor Cores
280
-
RT Cores
70
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
256 KB
Compute Units
-
12
Theoretical Performance
Pixel Rate
137.5 GPixel/s
16.00 GPixel/s
Texture Rate
401.0 GTexel/s
48.00 GTexel/s
FP16 (half)
25.66 TFLOPS
-
FP32 (float)
25.66 TFLOPS
1.536 TFLOPS
FP64 (double)
401.0 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
GB203
Saturn
Architecture
Blackwell 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
2.08 billion
Die Size
378 mm²
160 mm²
GPU Variant
-
Saturn PRO
Board Design
TDP
70W
75W
Suggested PSU
250 W
-
Outputs
4x mini-DisplayPort 2.1b
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.4
1.2
CUDA
12.0
-
Shader Model
6.8
6.3