NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon HD 6950
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Dec 2010
Generation
GeForce 40 Mobile
Northern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1335 MHz
—
Boost Clock
1695 MHz
—
Memory Clock
2250 MHz
1250 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
576.0GB/s
160.0GB/s
Render Config
SM Count
76
—
Shading Units
9728
1408
TMUs
304
88
ROPs
112
32
Tensor Cores
304
—
RT Cores
76
—
L1 Cache
128 KB (per SM)
8 KB (per CU)
L2 Cache
64 MB
512 KB
Compute Units
—
22
Theoretical Performance
Pixel Rate
189.8 GPixel/s
25.60 GPixel/s
Texture Rate
515.3 GTexel/s
70.40 GTexel/s
FP16 (half)
32.98 TFLOPS
—
FP32 (float)
32.98 TFLOPS
2.253 TFLOPS
FP64 (double)
515.3 GFLOPS
563.2 GFLOPS
Graphics Processor
GPU Name
AD103
Cayman
GPU Variant
GN21-X11
Cayman PRO(215-0807019)
Architecture
Ada Lovelace
TeraScale 3
Foundry
TSMC
TSMC
Process Size
5 nm
40 nm
Transistors
45.9 billion
2.64 billion
Die Size
379 mm²
389 mm²
Board Design
TDP
120W
200W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
—
550 W
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.3
N/A
CUDA
8.9
—
Shader Model
6.8
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.