GeForce GT 640 Rev. 2 and Radeon IGP 320 - video card comparison
GeForce GT 640 Rev. 2
Radeon IGP 320
Architecture
Kepler 2.0 (2013−2015)
Rage 7 (2001−2006)
GPU code name
GK208
RS100
Market segment
Desktop
Desktop
Release date
May 2013
October 2002
Interface
PCIe 2.0 x8
AGP 4x
Supplementary power connectors
None
None
Core clock speed
1046 MHz
160 MHz
Floating-point performance
803.3 gflops
-
Manufacturing process technology
28 nm
180 nm
Number of transistors
915 million
30 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
49 Watt
-
Texture fill rate
33.47
0.16
Memory type
GDDR5
System Shared
Maximum RAM amount
1 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
5008 MHz
System Shared
Memory bandwidth
40.06 GB/s
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DirectX
12 (11_0)
7.0
CUDA
3.5
-
OpenCL
1.2
N/A
OpenGL
4.6
1.4
Shader Model
5.1
-
Vulkan
1.1.126
N/A