GeForce GT 640 Rev. 2 and GeForce GT 730 OEM - video card comparison
GeForce GT 640 Rev. 2
GeForce GT 730 OEM
Architecture
Kepler 2.0 (2013−2015)
Kepler (2012−2018)
GPU code name
GK208
GK107
Market segment
Desktop
Desktop
Release date
May 2013
April 2015
Interface
PCIe 2.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
1046 MHz
902 MHz
Floating-point performance
803.3 gflops
762.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
915 million
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
49 Watt
64 Watt
Texture fill rate
33.47
28.86
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
5008 MHz
5012 MHz
Memory bandwidth
40.06 GB/s
40.1 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI, 1x mini-HDMI
HDMI
+
+
DirectX
12 (11_0)
12 (11_0)
CUDA
3.5
3.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126