Radeon 660M and UHD Graphics 64EU Mobile - video card comparison
Radeon 660M
UHD Graphics 64EU Mobile
Architecture
RDNA 2 (2020−2022)
Generation 12.2 (2021−2022)
GPU code name
RDNA 2 Rembrandt
Raptor Lake GT1
Market segment
Laptop
Laptop
Release date
January 2022
January 2023
Interface
PCIe 4.0 x8
Ring Bus
Supplementary power connectors
None
-
Boost clock speed
1900 MHz
1250 MHz
Manufacturing process technology
6 nm
10 nm
Number of transistors
13,100 million
-
Pipelines / CUDA cores
384
512
Power consumption (TDP)
45 Watt
15 Watt
Texture fill rate
45.60
40.00
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
Portable Device Dependent
DirectX
12 (12_1)
12 (12_1)
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2
1.3