NVIDIA GeForce RTX 4090 D vs AMD Radeon HD 7950 Boost
GPU · Specs Compare
Graphics Card
Release Date
Dec 2023
Jun 2012
Generation
GeForce 40
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2280 MHz
850 MHz
Boost Clock
2520 MHz
925 MHz
Memory Clock
1313 MHz
1250 MHz
Memory
Memory Size
24GB
3GB
Memory Type
GDDR6X
GDDR5
Memory Bus
384bit
384bit
Bandwidth
1008GB/s
240.0GB/s
Render Config
SM Count
114
—
Shading Units
14592
1792
TMUs
456
112
ROPs
176
32
Tensor Cores
456
—
RT Cores
114
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
72 MB
768 KB
Compute Units
—
28
Theoretical Performance
Pixel Rate
443.5 GPixel/s
29.60 GPixel/s
Texture Rate
1149 GTexel/s
103.6 GTexel/s
FP16 (half)
73.54 TFLOPS
—
FP32 (float)
73.54 TFLOPS
3.315 TFLOPS
FP64 (double)
1149 GFLOPS
828.8 GFLOPS
Graphics Processor
GPU Name
AD102
Tahiti
GPU Variant
AD102-250-A1
Tahiti PRO2(215-0821282)
Architecture
Ada Lovelace
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
76.3 billion
4.313 billion
Die Size
609 mm²
352 mm²
Board Design
TDP
425W
200W
Suggested PSU
800 W
550 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 16-pin
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.3
1.2
CUDA
8.9
—
Shader Model
6.7
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.