AMD Radeon HD 7970 X2 vs NVIDIA GeForce RTX 4090
GPU Specs Compare
Graphics Card
Release Date
Aug 2012
Sep 2022
Generation
Southern Islands
GeForce 40
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1375 MHz
1313 MHz
Base Clock
-
2235 MHz
Boost Clock
-
2520 MHz
Memory
Memory Size
3GB
24GB
Memory Type
GDDR5
GDDR6X
Memory Bus
384bit
384bit
Bandwidth
264.0GB/s
1.01TB/s
Render Config
Compute Units
32
-
Shading Units
2048
16384
TMUs
128
512
ROPs
32
176
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
768 KB
72 MB
SM Count
-
128
Tensor Cores
-
512
RT Cores
-
128
Theoretical Performance
Pixel Rate
29.60 GPixel/s
443.5 GPixel/s
Texture Rate
118.4 GTexel/s
1290.2 GTexel/s
FP32 (float)
3.789 TFLOPS
82.58 TFLOPS
FP64 (double)
947.2 GFLOPS
1290.2 GFLOPS
FP16 (half)
-
82.58 TFLOPS
Graphics Processor
GPU Name
New Zealand
AD102
Architecture
GCN 1.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
4.313 billion
76.3 billion
Die Size
352 mm²
609 mm²
GPU Variant
-
AD102-300-A1
Board Design
TDP
500W
450W
Suggested PSU
900 W
850 W
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
3x 8-pin
1x 16-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.4
Shader Model
5.1
6.8
CUDA
-
8.9