GeForce GTX 460 768MB and GeForce GT 640 - video card comparison
GeForce GTX 460 768MB
GeForce GT 640
Architecture
Fermi (2010−2014)
Kepler (2012−2018)
GPU code name
-
GK107
Market segment
Desktop
Desktop
Release date
-
June 2012
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
None
Core clock speed
675 MHz
902 MHz
Floating-point performance
-
692.7 gflops
Manufacturing process technology
-
28 nm
Number of transistors
-
1,270 million
Pipelines / CUDA cores
336
384
Power consumption (TDP)
-
65 Watt
Texture fill rate
-
28.86
Memory type
GDDR5
DDR3
Maximum RAM amount
-
2 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
1800 MHz
1782 MHz
Memory bandwidth
-
28.51 GB/s
Display Connectors
-
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
11
12 (11_0)
CUDA
-
3.0
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
-
1.1.126