Radeon HD 7660G + HD 7670M Dual Graphics and Radeon R2 (Stoney Ridge) - video card comparison
Radeon HD 7660G + HD 7670M Dual Graphics
Radeon R2 (Stoney Ridge)
Architecture
Terascale 2 (2009−2015)
GCN 1.2/2.0 (2015−2016)
GPU code name
-
Stoney Ridge
Market segment
Laptop
Laptop
Release date
May 2012
June 2016
Boost clock speed
-
600 MHz
Core clock speed
685 / 600 MHz
-
Manufacturing process technology
32 nm
28 nm
Number of transistors
-
3100 Million
Pipelines / CUDA cores
862
128
Power consumption (TDP)
-
15 Watt
Memory type
DDR3,GDDR5
-
Memory bus width
128 Bit
64 Bit
Memory clock speed
1800 MHz
-
Shared memory
-
+
DirectX
11
12 (FL 12_0)
Vulkan
-
+