Radeon 660M and Arc A550M - video card comparison
Radeon 660M
Arc A550M
Architecture
RDNA 2 (2020−2022)
Xe HPG (2020−2022)
GPU code name
RDNA 2 Rembrandt
Alchemist
Market segment
Laptop
Laptop
Release date
January 2022
March 2022
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
1900 MHz
2005 MHz
Core clock speed
-
900 MHz
Manufacturing process technology
6 nm
6 nm
Number of transistors
13,100 million
21,700 million
Pipelines / CUDA cores
384
16
Power consumption (TDP)
45 Watt
80 Watt (60 - 80 Watt TGP)
Texture fill rate
45.60
115.2
Memory type
System Shared
GDDR6
Maximum RAM amount
System Shared
8 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
14000 MHz
Memory bandwidth
-
192.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2
1.3