Radeon 660M and Arc A770M - video card comparison
Passmark - benchmark score Radeon 660M vs Arc A770M
Radeon 660M
6474
Arc A770M
11888
Radeon 660M
Arc A770M
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
-
Core clock speed
-
1650 MHz
Manufacturing process technology
6 nm
6 nm
Number of transistors
13,100 million
21,700 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
45 Watt
150 Watt (120 - 150 Watt TGP)
Texture fill rate
45.60
422.4
Memory type
System Shared
GDDR6
Maximum RAM amount
System Shared
16 GB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
16000 MHz
Memory bandwidth
-
384.0 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