Radeon HD 7640G and GeForce 8700M GT SLI - video card comparison
Radeon HD 7640G
GeForce 8700M GT SLI
Architecture
Terascale 3 (2010−2013)
G8x (2007−2008)
GPU code name
Trinity
NB8E-SE
Market segment
Laptop
Laptop
Release date
May 2012
September 2007
Interface
IGP
-
Boost clock speed
686 MHz
-
Core clock speed
497 MHz
625 MHz
Manufacturing process technology
32 nm
80 nm
Number of transistors
1,303 million
578 Million
Pipelines / CUDA cores
256
64
Power consumption (TDP)
35 Watt
58 Watt
Texture fill rate
10.96
-
Memory type
System Shared
GDDR3
Maximum RAM amount
System Shared
1 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
800 MHz
Shared memory
+
-
Display Connectors
No outputs
-
DirectX
11.2 (11_0)
10
OpenCL
1.2
-
OpenGL
4.4
-
Shader Model
5.0
-
Vulkan
N/A
-