Radeon HD 7660D and Radeon HD 8550M - video card comparison
Radeon HD 7660D
Radeon HD 8550M
Architecture
Terascale 3 (2010−2013)
GCN (2011−2017)
GPU code name
Trinity
Sun
Market segment
Desktop
Laptop
Release date
September 2012
November 2012
Interface
IGP
PCIe 3.0 x8
Boost clock speed
800 MHz
850 MHz
Core clock speed
633 MHz
700 MHz
Floating-point performance
-
544.0 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
1,303 million
690 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
100 Watt
-
Texture fill rate
19.20
17.00
Memory type
System Shared
DDR3
Maximum RAM amount
System Shared
1 GB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
1800 MHz
Memory bandwidth
-
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