GeForce GT 640 vs GeForce GTX 460

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and GeForce GTX 460. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GT 640 and GeForce GTX 460. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Main Specs

  GeForce GT 640 GeForce GTX 460
Power consumption (TDP) 65 Watt 160 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors None 6-pin & 6-pin
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 768 MB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 2x DVI, 1x mini-HDMI
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  • GeForce GTX 460 has 146% more power consumption, than GeForce GT 640.
  • GeForce GT 640 is connected by PCIe 3.0 x16, and GeForce GTX 460 uses PCIe 2.0 x16 interface.
  • GeForce GTX 460 has 766 GB more memory, than GeForce GT 640.
  • Both cards are used in Desktops.
  • GeForce GT 640 is build with Kepler architecture, and GeForce GTX 460 - with Fermi.
  • Core clock speed of GeForce GT 640 is 227 MHz higher, than GeForce GTX 460.
  • GeForce GT 640 is manufactured by 28 nm process technology, and GeForce GTX 460 - by 40 nm process technology.
  • GeForce GT 640 is 137 mm longer, than GeForce GTX 460.
  • Memory clock speed of GeForce GTX 460 is 1818 MHz higher, than GeForce GT 640.

Game benchmarks

high / 1080p 2−3 10−12
ultra / 1080p 1−2 6−7
QHD / 1440p 0−1 1−2
low / 720p 14−16 24−27
medium / 1080p 5−6 14−16
The average gaming FPS of GeForce GTX 460 in Assassin's Creed Odyssey is 133% more, than GeForce GT 640.

Full Specs

  GeForce GT 640 GeForce GTX 460
Architecture Kepler Fermi
Code name GK107 GF104
Type Desktop Desktop
Release date 5 June 2012 12 July 2010
Pipelines 384 336
Core clock speed 902 MHz 675 MHz
Transistor count 1,270 million 1,950 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 28.86 37.80
Floating-point performance 692.7 gflops 907.2 gflops
Length 145 mm 8.25"(210 mm) (21 cm)
Memory bus width 128 Bit 192 Bit
Memory clock speed 1782 MHz 3600 MHz
Memory bandwidth 28.51 GB/s 86.4 GB/s
DirectX 12 (11_0) 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.6 4.1
OpenCL 1.2 1.1
Vulkan 1.1.126 N/A
CUDA 3.0 +
Bus support 16x PCI-E 2.0
Height 4.376"(111 mm) (11.1 cm)
SLI options +
Multi monitor support +
HDMI +
HDCP +
Maximum VGA resolution 2048x1536
Audio input for HDMI Internal
Bitcoin / BTC (SHA256) 24 Mh/s 66 Mh/s
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