Radeon 660M and Radeon Graphics 128SP - video card comparison
Radeon 660M
Radeon Graphics 128SP
Architecture
RDNA 2 (2020−2022)
RDNA 2.0 (2020−2022)
GPU code name
RDNA 2 Rembrandt
Raphael
Market segment
Laptop
Desktop
Release date
January 2022
September 2022
Interface
PCIe 4.0 x8
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
1900 MHz
2200 MHz
Manufacturing process technology
6 nm
5 nm
Number of transistors
13,100 million
3,400 million
Pipelines / CUDA cores
384
128
Power consumption (TDP)
45 Watt
15 Watt
Texture fill rate
45.60
17.60
Memory type
System Shared
System Shared
Maximum RAM amount
System Shared
System Shared
Memory bus width
System Shared
System Shared
Memory clock speed
System Shared
System Shared
Shared memory
-
-
Display Connectors
No outputs
Motherboard Dependent
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3