AMD Radeon RX 6600M vs NVIDIA GeForce RTX 4080 16 GB
GPU Specs Compare
Graphics Card
Release Date
May 2021
Sep 2022
Generation
Mobility Radeon
GeForce 40
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
2068 MHz
2205 MHz
Boost Clock
2416 MHz
2505 MHz
Memory Clock
1750 MHz
1400 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR6
GDDR6X
Memory Bus
128bit
256bit
Bandwidth
224.0GB/s
716.8GB/s
Render Config
Compute Units
28
-
Shading Units
1792
9728
TMUs
112
304
ROPs
64
112
RT Cores
28
76
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
64 MB
L3 Cache
32 MB
-
SM Count
-
76
Tensor Cores
-
304
Theoretical Performance
Pixel Rate
154.6 GPixel/s
280.6 GPixel/s
Texture Rate
270.6 GTexel/s
761.5 GTexel/s
FP16 (half)
17.32 TFLOPS
48.74 TFLOPS
FP32 (float)
8.659 TFLOPS
48.74 TFLOPS
FP64 (double)
541.2 GFLOPS
761.5 GFLOPS
Graphics Processor
GPU Name
Navi 23
AD103
Architecture
RDNA 2.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
7 nm
4 nm
Transistors
11.06 billion
45.9 billion
Die Size
237 mm²
379 mm²
GPU Variant
-
AD103-300-A1
Board Design
TDP
100W
320W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 16-pin
Suggested PSU
-
700 W
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
6.6
CUDA
-
8.9