Radeon HD 7640G and Mobility Radeon HD 3430 - video card comparison
Radeon HD 7640G
Mobility Radeon HD 3430
Architecture
Terascale 3 (2010−2013)
RV6xx (2007−2010)
GPU code name
Trinity
M82-SE
Market segment
Laptop
Laptop
Release date
May 2012
July 2008
Interface
IGP
MXM-II
Boost clock speed
686 MHz
-
Core clock speed
497 MHz
450 MHz
Floating-point performance
-
36 gflops
Manufacturing process technology
32 nm
55 nm
Number of transistors
1,303 million
181 million
Pipelines / CUDA cores
256
40
Power consumption (TDP)
35 Watt
12 Watt
Texture fill rate
10.96
1.800
Memory type
System Shared
GDDR2
Maximum RAM amount
System Shared
512 MB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
700 MHz
Memory bandwidth
-
6.4 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
10.1
OpenCL
1.2
N/A
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
N/A
N/A