NVIDIA GeForce RTX 4080 Mobile vs AMD Radeon HD 7950
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Jan 2012
Generation
GeForce 40 Mobile
Southern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1290 MHz
-
Boost Clock
1665 MHz
-
Memory Clock
2250 MHz
1250 MHz
Memory
Memory Size
12GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
384bit
Bandwidth
432.0GB/s
240.0GB/s
Render Config
SM Count
58
-
Shading Units
7424
1792
TMUs
232
112
ROPs
80
32
Tensor Cores
232
-
RT Cores
58
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
768 KB
Compute Units
-
28
Theoretical Performance
Pixel Rate
133.2 GPixel/s
25.60 GPixel/s
Texture Rate
386.3 GTexel/s
89.60 GTexel/s
FP16 (half)
24.72 TFLOPS
-
FP32 (float)
24.72 TFLOPS
2.867 TFLOPS
FP64 (double)
386.3 GFLOPS
716.8 GFLOPS
Graphics Processor
GPU Name
AD104
Tahiti
GPU Variant
GN21-X9
Tahiti PRO(215-0821056)
Architecture
Ada Lovelace
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
35.8 billion
4.313 billion
Die Size
294 mm²
352 mm²
Board Design
TDP
110W
200W
Outputs
Portable Device Dependent
1x 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)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.3
1.2
CUDA
8.9
-
Shader Model
6.8
5.1
📊 Benchmark
3DMark Time Spy
-
1,969
3DMark Time Spy Extreme
-
1,019