GeForce GTX 460 SE and GeForce GT 640 OEM - video card comparison
GeForce GTX 460 SE
GeForce GT 640 OEM
Architecture
Fermi (2010−2014)
Kepler (2012−2018)
GPU code name
GF104
GK107
Market segment
Desktop
Desktop
Release date
November 2010
April 2012
Bus support
16x PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
6-pin & 6-pin
None
SLI options
+
-
Core clock speed
650 MHz
797 MHz
CUDA cores
288
-
Floating-point performance
748.8 gflops
612.1 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,950 million
1,270 million
Pipelines / CUDA cores
288
384
Power consumption (TDP)
150 Watt
50 Watt
Maximum GPU temperature
104 °C
-
Texture fill rate
31.2 billion/sec
25.50
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1700 MHz
1782 MHz
Memory bandwidth
108.8 GB/s
28.51 GB/s
Display Connectors
2 x Dual-Link DVI-I1 x Mini HDMI
1x DVI, 1x HDMI, 1x DisplayPort
Number of display connectors
2
-
Multi monitor support
+
-
HDMI
+
+
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
3.0
OpenCL
1.1
1.2
OpenGL
4.1
4.6
Shader Model
5.1
5.1
Vulkan
N/A
1.1.126