Radeon HD 7660G + HD 7670M Dual Graphics and Radeon 680M - video card comparison
Radeon HD 7660G + HD 7670M Dual Graphics
Radeon 680M
Architecture
Terascale 2 (2009−2015)
RDNA 2 (2020−2022)
GPU code name
-
RDNA 2 Rembrandt
Market segment
Laptop
Laptop
Release date
May 2012
January 2022
Interface
-
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
2400 MHz
Core clock speed
685 / 600 MHz
-
Manufacturing process technology
32 nm
6 nm
Number of transistors
-
13,100 million
Pipelines / CUDA cores
862
768
Power consumption (TDP)
-
45 Watt
Texture fill rate
-
115.2
Memory type
DDR3,GDDR5
System Shared
Maximum RAM amount
-
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
1800 MHz
System Shared
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
11
12 (12_1)
OpenCL
-
2.0
OpenGL
-
4.6
Shader Model
-
6.5
Vulkan
-
1.2