Radeon HD 7640G + HD 7670M Dual Graphics and GeForce 8700M GT SLI - video card comparison
Radeon HD 7640G + HD 7670M Dual Graphics
GeForce 8700M GT SLI
Architecture
Terascale 3 (2010−2013)
G8x (2007−2008)
GPU code name
-
NB8E-SE
Market segment
Laptop
Laptop
Release date
May 2012
September 2007
Core clock speed
655 / 600 MHz
625 MHz
Manufacturing process technology
40 nm
80 nm
Number of transistors
-
578 Million
Pipelines / CUDA cores
736
64
Power consumption (TDP)
-
58 Watt
Memory type
-
GDDR3
Maximum RAM amount
-
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
800 MHz
Shared memory
+
-
DirectX
11
10