Radeon Vega 8 Efficient and Radeon 660M - video card comparison
Radeon Vega 8 Efficient
Radeon 660M
Architecture
GCN 5.0 (2017−2020)
RDNA 2 (2020−2022)
GPU code name
Raven
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
April 2018
January 2022
Interface
IGP
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
1100 MHz
1900 MHz
Core clock speed
300 MHz
-
Manufacturing process technology
14 nm
6 nm
Number of transistors
4,940 million
13,100 million
Pipelines / CUDA cores
512
384
Power consumption (TDP)
35 Watt
45 Watt
Texture fill rate
35.20
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
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2