Radeon HD 7640G + HD 7670M Dual Graphics and GeForce Go 7400 - video card comparison
Radeon HD 7640G + HD 7670M Dual Graphics
GeForce Go 7400
Architecture
Terascale 3 (2010−2013)
Curie (2003−2013)
GPU code name
-
G72M
Market segment
Laptop
Laptop
Release date
May 2012
February 2006
Interface
-
PCIe 1.0 x16
Boost clock speed
-
450 MHz
Core clock speed
655 / 600 MHz
3 MHz
Manufacturing process technology
40 nm
90 nm
Number of transistors
-
112 million
Pipelines / CUDA cores
736
7
Texture fill rate
-
1.800
Memory type
-
DDR3
Maximum RAM amount
-
128 MB
Memory bus width
128 Bit
64 / 32 Bit
Memory clock speed
1800 MHz
900 MHz
Memory bandwidth
-
7.2 GB/s
Shared memory
+
-
Display Connectors
-
No outputs
DirectX
11
9.0c (9_3)
OpenCL
-
N/A
OpenGL
-
2.1
Shader Model
-
3.0
Vulkan
-
N/A