UHD Graphics G4 and Radeon 660M - video card comparison
UHD Graphics G4
Radeon 660M
Architecture
Generation 11.0 (2019−2020)
RDNA 2 (2020−2022)
GPU code name
Lakefield GT1
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
May 2020
January 2022
Interface
PCIe 3.0 x1
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
500 MHz
1900 MHz
Manufacturing process technology
10 nm
6 nm
Number of transistors
-
13,100 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
15 Watt
45 Watt
Texture fill rate
16.00
45.60
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
No outputs
DirectX
12 (12_1)
12 (12_1)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.1
1.2