NVIDIA RTX PRO 4000 Blackwell vs AMD Radeon HD 8970M
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
May 2013
Generation
Blackwell PRO W
Solar System
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1230 MHz
850 MHz
Boost Clock
2055 MHz
900 MHz
Memory Clock
1750 MHz
1200 MHz
Memory
Memory Size
24GB
4GB
Memory Type
GDDR7
GDDR5
Memory Bus
192bit
256bit
Bandwidth
672.0GB/s
153.6GB/s
Render Config
SM Count
70
-
Shading Units
8960
1280
TMUs
280
80
ROPs
96
32
Tensor Cores
280
-
RT Cores
70
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
512 KB
Compute Units
-
20
Theoretical Performance
Pixel Rate
197.3 GPixel/s
28.80 GPixel/s
Texture Rate
575.4 GTexel/s
72.00 GTexel/s
FP16 (half)
36.83 TFLOPS
-
FP32 (float)
36.83 TFLOPS
2.304 TFLOPS
FP64 (double)
575.4 GFLOPS
144.0 GFLOPS
Graphics Processor
GPU Name
GB203
Neptune
Architecture
Blackwell 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
2.8 billion
Die Size
378 mm²
212 mm²
GPU Variant
-
Neptune XT(216-0847000)
Board Design
TDP
140W
100W
Suggested PSU
300 W
-
Outputs
4x DisplayPort 2.1b
No outputs
Power Connectors
1x 16-pin
-
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.4
1.2
CUDA
12.0
-
Shader Model
6.8
5.1