AMD Radeon HD 6950 vs NVIDIA Rubin GPU
GPU · Specs Compare
Graphics Card
Release Date
Dec 2010
Jan 2026
Generation
Northern Islands
Server Rubin
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 6.0 x16
Clock Speeds
Memory Clock
1250 MHz
2695 MHz
Base Clock
—
700 MHz
Boost Clock
—
2267 MHz
Memory
Memory Size
2GB
288GB
Memory Type
GDDR5
HBM4
Memory Bus
256bit
16384bit
Bandwidth
160.0GB/s
22.1TB/s
Render Config
Compute Units
22
—
Shading Units
1408
28672
TMUs
88
896
ROPs
32
24
L1 Cache
8 KB (per CU)
256 KB (per SM)
L2 Cache
512 KB
128 MB
SM Count
—
224
Tensor Cores
—
896
Theoretical Performance
Pixel Rate
25.60 GPixel/s
54.41 GPixel/s
Texture Rate
70.40 GTexel/s
2031.2 GTexel/s
FP32 (float)
2.253 TFLOPS
130.0 TFLOPS
FP64 (double)
563.2 GFLOPS
32.50 TFLOPS
FP16 (half)
—
260.0 TFLOPS
Graphics Processor
GPU Name
Cayman
GR100
GPU Variant
Cayman PRO(215-0807019)
—
Architecture
TeraScale 3
Rubin
Foundry
TSMC
TSMC
Process Size
40 nm
3 nm
Transistors
2.64 billion
336 billion
Die Size
389 mm²
1456 mm²
Board Design
TDP
200W
2300W
Suggested PSU
550 W
2700 W
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
—
Graphics Features
DirectX
11.2 (11_0)
N/A
OpenGL
4.4
N/A
OpenCL
1.2
3.0
Vulkan
N/A
N/A
Shader Model
5.0
N/A
CUDA
—
10.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.