Radeon HD 7660G + HD 7670M Dual Graphics and Radeon HD 8550M - video card comparison
Radeon HD 7660G + HD 7670M Dual Graphics
Radeon HD 8550M
Architecture
Terascale 2 (2009−2015)
GCN (2011−2017)
GPU code name
-
Sun
Market segment
Laptop
Laptop
Release date
May 2012
November 2012
Interface
-
PCIe 3.0 x8
Boost clock speed
-
850 MHz
Core clock speed
685 / 600 MHz
700 MHz
Floating-point performance
-
544.0 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
-
690 million
Pipelines / CUDA cores
862
384
Texture fill rate
-
17.00
Memory type
DDR3,GDDR5
DDR3
Maximum RAM amount
-
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1800 MHz
1800 MHz
Memory bandwidth
-
14.4 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
11
12 (11_1)
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
-
1.2.131