AMD Radeon HD 6950 vs NVIDIA GeForce RTX 4090
GPU · Specs Compare
Graphics Card
Release Date
Dec 2010
Sep 2022
Generation
Northern Islands
GeForce 40
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1250 MHz
1313 MHz
Base Clock
—
2235 MHz
Boost Clock
—
2520 MHz
Memory
Memory Size
2GB
24GB
Memory Type
GDDR5
GDDR6X
Memory Bus
256bit
384bit
Bandwidth
160.0GB/s
1.01TB/s
Render Config
Compute Units
22
—
Shading Units
1408
16384
TMUs
88
512
ROPs
32
176
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
72 MB
SM Count
—
128
Tensor Cores
—
512
RT Cores
—
128
Theoretical Performance
Pixel Rate
25.60 GPixel/s
443.5 GPixel/s
Texture Rate
70.40 GTexel/s
1290.2 GTexel/s
FP32 (float)
2.253 TFLOPS
82.58 TFLOPS
FP64 (double)
563.2 GFLOPS
1290.2 GFLOPS
FP16 (half)
—
82.58 TFLOPS
Graphics Processor
GPU Name
Cayman
AD102
GPU Variant
Cayman PRO(215-0807019)
AD102-300-A1
Architecture
TeraScale 3
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
40 nm
5 nm
Transistors
2.64 billion
76.3 billion
Die Size
389 mm²
609 mm²
Board Design
TDP
200W
450W
Suggested PSU
550 W
850 W
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
2x 6-pin
1x 16-pin
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.4
Shader Model
5.0
6.8
CUDA
—
8.9
▲ Specs Compare
Data sourced from official specifications and benchmark tests.