Radeon RX 6600M and Arc 7 A770M - video card comparison
Radeon RX 6600M
Arc 7 A770M
Architecture
RDNA 2 (2020−2022)
Generation 12.7 (2022)
GPU code name
R21M-E65-70
DG2-512
Market segment
Laptop
Desktop
Release date
September 2020
2022
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
2177 MHz
1650 MHz
Core clock speed
2068 MHz
-
Manufacturing process technology
7 nm
6 nm
Number of transistors
11,060 million
21,700 million
Pipelines / CUDA cores
1792
4096
Power consumption (TDP)
100 Watt (50 - 100 Watt TGP)
120 Watt
Texture fill rate
235.8
422.4
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
14000 MHz
12 GB/s
Memory bandwidth
256.0 GB/s
384.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2
1.3