Radeon RX 6600M and RTX A4000 Mobile - video card comparison
Radeon RX 6600M
RTX A4000 Mobile
Architecture
RDNA 2 (2020−2022)
Ampere (2020−2022)
GPU code name
R21M-E65-70
GA104
Market segment
Laptop
Laptop
Release date
September 2020
April 2021
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
2177 MHz
1680 MHz
Core clock speed
2068 MHz
780 MHz
Manufacturing process technology
7 nm
8 nm
Number of transistors
11,060 million
17,400 million
Pipelines / CUDA cores
1792
5120
Power consumption (TDP)
100 Watt (50 - 100 Watt TGP)
140 Watt (80 - 125 Watt TGP)
Texture fill rate
235.8
290.9
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
8 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
14000 MHz
12000 MHz
Memory bandwidth
256.0 GB/s
448.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2
1.2