Radeon HD 7660G and Radeon R2 Graphics - video card comparison
Radeon HD 7660G
Radeon R2 Graphics
Architecture
Terascale 3 (2010−2013)
GCN 2.0 (2013−2017)
GPU code name
Trinity
Beema
Market segment
Laptop
Desktop
Release date
May 2012
February 2015
Interface
IGP
IGP
Boost clock speed
686 MHz
-
Core clock speed
497 MHz
351 MHz
Floating-point performance
-
179.2 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
1.3 Million
930 million
Pipelines / CUDA cores
384
128
Power consumption (TDP)
35 Watt
15 Watt
Texture fill rate
16.46
2.808
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
11.2 (11_0)
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.4
4.6
Shader Model
5.0
6.3
Vulkan
N/A
1.2.131