Radeon HD 6690G2 and Radeon HD 6620G + HD 7450M Dual Graphics - video card comparison
Radeon HD 6690G2
Radeon HD 6620G + HD 7450M Dual Graphics
Architecture
Terascale 2 (2009−2015)
Terascale 2 (2009−2015)
Market segment
Laptop
Laptop
Release date
June 2011
February 2012
Core clock speed
-
400 / 700 MHz
Manufacturing process technology
40 nm
40 nm
Pipelines / CUDA cores
880
560
Memory clock speed
-
1800 MHz
Shared memory
-
+
DirectX
11
11