AMD Radeon RX 6600S vs NVIDIA GeForce RTX 4080 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Jan 2023
Generation
Mobility Radeon
GeForce 40 Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1700 MHz
1290 MHz
Boost Clock
2000 MHz
1665 MHz
Memory Clock
1750 MHz
2250 MHz
Memory
Memory Size
4GB
12GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
192bit
Bandwidth
224.0GB/s
432.0GB/s
Render Config
Compute Units
28
—
Shading Units
1792
7424
TMUs
112
232
ROPs
64
80
RT Cores
28
58
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
48 MB
L3 Cache
32 MB
—
SM Count
—
58
Tensor Cores
—
232
Theoretical Performance
Pixel Rate
128.0 GPixel/s
133.2 GPixel/s
Texture Rate
224.0 GTexel/s
386.3 GTexel/s
FP16 (half)
14.34 TFLOPS
24.72 TFLOPS
FP32 (float)
7.168 TFLOPS
24.72 TFLOPS
FP64 (double)
448.0 GFLOPS
386.3 GFLOPS
Graphics Processor
GPU Name
Navi 23
AD104
Architecture
RDNA 2.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
11.06 billion
35.8 billion
Die Size
237 mm²
294 mm²
GPU Variant
—
GN21-X9
Board Design
TDP
80W
110W
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.5
6.8
CUDA
—
8.9
Benchmark
3DMark Time Spy
7,700
—
3DMark Time Spy Extreme
3,389
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.