Radeon HD 7660D and Radeon R2 Graphics - video card comparison
Radeon HD 7660D
Radeon R2 Graphics
Architecture
Terascale 3 (2010−2013)
GCN 2.0 (2013−2017)
GPU code name
Trinity
Beema
Market segment
Desktop
Desktop
Release date
September 2012
February 2015
Interface
IGP
IGP
Boost clock speed
800 MHz
-
Core clock speed
633 MHz
351 MHz
Floating-point performance
-
179.2 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
1,303 million
930 million
Pipelines / CUDA cores
384
128
Power consumption (TDP)
100 Watt
15 Watt
Texture fill rate
19.20
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