GeForce RTX 3080 Mobile and Radeon RX 6600M - video card comparison
GeForce RTX 3080 Mobile
Radeon RX 6600M
Architecture
Ampere (2020−2022)
RDNA 2 (2020−2022)
GPU code name
GN20-E7 GA104
R21M-E65-70
Market segment
Laptop
Laptop
Release date
January 2021
September 2020
Interface
PCIe 4.0 x16
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
1245 - 1710 MHz
2177 MHz
Core clock speed
780 - 1100 MHz
2068 MHz
Manufacturing process technology
8 nm
7 nm
Number of transistors
17,400 million
11,060 million
Pipelines / CUDA cores
6144
1792
Power consumption (TDP)
150 Watt (80 - 150 Watt TGP)
100 Watt (50 - 100 Watt TGP)
Texture fill rate
296.6
235.8
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
8 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
14000 MHz
14000 MHz
Memory bandwidth
384.0 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.6
-
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2
1.2