Radeon HD 7670M and Radeon HD 8550M - video card comparison
Radeon HD 7670M
Radeon HD 8550M
Architecture
Terascale 2 (2009−2015)
GCN (2011−2017)
GPU code name
Thames XT
Sun
Market segment
Laptop
Laptop
Release date
June 2011
November 2012
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Boost clock speed
-
850 MHz
Core clock speed
600 MHz
700 MHz
Floating-point performance
576.0 gflops
544.0 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
716 million
690 million
Pipelines / CUDA cores
480
384
Power consumption (TDP)
20 Watt
-
Texture fill rate
14.40
17.00
Memory type
DDR3, (GDDR5)
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1800 MHz
1800 MHz
Memory bandwidth
28.8 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.2.131