GeForce GT 640 and GeForce 310 OEM - video card comparison
GeForce GT 640
GeForce 310 OEM
Architecture
Kepler (2012−2018)
Tesla 2.0 (2007−2013)
GPU code name
GK107
GT218
Market segment
Desktop
Desktop
Release date
June 2012
November 2009
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
902 MHz
589 MHz
Floating-point performance
692.7 gflops
44.86 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
260 million
Pipelines / CUDA cores
384
16
Power consumption (TDP)
65 Watt
31 Watt
Texture fill rate
28.86
4.712
Memory type
DDR3
DDR2
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
666 MHz
Memory bandwidth
28.51 GB/s
5.328 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x DisplayPort, 1x VGA
HDMI
+
-
DirectX
12 (11_0)
11.1 (10_1)
CUDA
3.0
1.2
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A