Radeon HD 7640G + HD 7670M Dual Graphics and Radeon HD 6755G2 - video card comparison
Radeon HD 7640G + HD 7670M Dual Graphics
Radeon HD 6755G2
Architecture
Terascale 3 (2010−2013)
Terascale 2 (2009−2015)
Market segment
Laptop
Laptop
Release date
May 2012
June 2011
Core clock speed
655 / 600 MHz
-
Manufacturing process technology
40 nm
40 nm
Pipelines / CUDA cores
736
880
Memory bus width
128 Bit
-
Memory clock speed
1800 MHz
-
Shared memory
+
-
DirectX
11
11