GeForce GT 640 and GeForce GT 710 PCIe x1 - video card comparison
GeForce GT 640
GeForce GT 710 PCIe x1
Architecture
Kepler (2012−2018)
Kepler 2.0 (2013−2015)
GPU code name
GK107
GK208B
Market segment
Desktop
Desktop
Release date
June 2012
March 2014
Interface
PCIe 3.0 x16
PCIe 2.0 x1
Supplementary power connectors
None
None
Core clock speed
902 MHz
954 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
1,020 million
Pipelines / CUDA cores
384
192
Power consumption (TDP)
65 Watt
19 Watt
Texture fill rate
28.86
15.26
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
1600 MBps
Memory bandwidth
28.51 GB/s
12.8 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
12 (11_0)
12 (11_0)
CUDA
3.0
3.5
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1