NVIDIA Rubin GPU vs AMD Radeon HD 8970M
GPU Specs Compare
Graphics Card
Release Date
Jan 2026
May 2013
Generation
Server Rubin
Solar System
Type
Desktop
Mobile
Bus Interface
PCIe 6.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
700 MHz
850 MHz
Boost Clock
2267 MHz
900 MHz
Memory Clock
2695 MHz
1200 MHz
Memory
Memory Size
288GB
4GB
Memory Type
HBM4
GDDR5
Memory Bus
16384bit
256bit
Bandwidth
22.1TB/s
153.6GB/s
Render Config
SM Count
224
-
Shading Units
28672
1280
TMUs
896
80
ROPs
24
32
Tensor Cores
896
-
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
128 MB
512 KB
Compute Units
-
20
Theoretical Performance
Pixel Rate
54.41 GPixel/s
28.80 GPixel/s
Texture Rate
2031.2 GTexel/s
72.00 GTexel/s
FP16 (half)
260.0 TFLOPS
-
FP32 (float)
130.0 TFLOPS
2.304 TFLOPS
FP64 (double)
32.50 TFLOPS
144.0 GFLOPS
Graphics Processor
GPU Name
GR100
Neptune
Architecture
Rubin
GCN 1.0
Foundry
TSMC
TSMC
Process Size
3 nm
28 nm
Transistors
336 billion
2.8 billion
Die Size
1456 mm²
212 mm²
GPU Variant
-
Neptune XT(216-0847000)
Board Design
TDP
2300W
100W
Suggested PSU
2700 W
-
Outputs
No outputs
No outputs
Graphics Features
DirectX
N/A
12 (11_1)
OpenGL
N/A
4.6
OpenCL
3.0
1.2
Vulkan
N/A
1.2
CUDA
10.7
-
Shader Model
N/A
5.1