GeForce GTX 460 768MB and GeForce GT 640 OEM Rebrand - video card comparison
GeForce GTX 460 768MB
GeForce GT 640 OEM Rebrand
Architecture
Fermi (2010−2014)
Fermi 2.0 (2010−2014)
GPU code name
-
GF116
Market segment
Desktop
Desktop
Release date
-
April 2012
Interface
-
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
675 MHz
720 MHz
Floating-point performance
-
414.7 gflops
Manufacturing process technology
-
40 nm
Number of transistors
-
1,170 million
Pipelines / CUDA cores
336
144
Power consumption (TDP)
-
75 Watt
Texture fill rate
-
17.28
Memory type
GDDR5
DDR3
Maximum RAM amount
-
1536 MB
Memory bus width
192 Bit
192 Bit
Memory clock speed
1800 MHz
1600 MHz
Memory bandwidth
-
38.4 GB/s
Display Connectors
-
2x DVI, 1x mini-HDMI
HDMI
-
+
DirectX
11
12 (11_0)
CUDA
-
2.1
OpenCL
-
1.1
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
-
N/A