GeForce GT 640 vs GeForce GTX 650 Ti

When choosing between GeForce GT 640 and GeForce GTX 650 Ti, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GT 640 and GeForce GTX 650 Ti.

Main Specs

  GeForce GT 640 GeForce GTX 650 Ti
Power consumption (TDP) 65 Watt 110 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None One 6-pin
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 2x DVI, 1x mini-HDMI
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  • GeForce GTX 650 Ti has 69% more power consumption, than GeForce GT 640.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • GeForce GT 640 and GeForce GTX 650 Ti have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • GeForce GT 640 and GeForce GTX 650 Ti are build with Kepler architecture.
  • Core clock speed of GeForce GTX 650 Ti is 26 MHz higher, than GeForce GT 640.
  • GeForce GT 640 and GeForce GTX 650 Ti are manufactured by 28 nm process technology.
  • GeForce GT 640 is 140 mm longer, than GeForce GTX 650 Ti.
  • Memory clock speed of GeForce GT 640 is 1777 MHz higher, than GeForce GTX 650 Ti.

Game benchmarks

high / 1080p 2−3 12−14
ultra / 1080p 1−2 7−8
QHD / 1440p 0−1 2−3
low / 720p 14−16 27−30
medium / 1080p 5−6 16−18
The average gaming FPS of GeForce GTX 650 Ti in Assassin's Creed Odyssey is 166% more, than GeForce GT 640.

Full Specs

  GeForce GT 640 GeForce GTX 650 Ti
Architecture Kepler Kepler
Code name GK107 GK106
Type Desktop Desktop
Release date 5 June 2012 9 October 2012
Pipelines 384 768
Core clock speed 902 MHz 928 MHz
Transistor count 1,270 million 2,540 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 28.86 59.2 billion/sec
Floating-point performance 692.7 gflops 1,425 gflops
Length 145 mm 5.7" (14.5 cm)
Memory bus width 128 Bit 128 Bit
Memory clock speed 1782 MHz 5.4 GB/s
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 4.3
OpenCL 1.2 1.2
Vulkan 1.1.126 1.1.126
CUDA 3.0 +
Monero / XMR (CryptoNight) 0.1 kh/s
CUDA cores 768
Bus support PCI Express 3.0
Height 4.376" (11.1 cm)
Multi monitor support 4 Displays
HDMI +
HDCP +
Maximum VGA resolution 2048x1536
Audio input for HDMI Internal
3D Blu-Ray +
3D Gaming +
3D Vision +
Bitcoin / BTC (SHA256) 24 Mh/s 49 Mh/s
Decred / DCR (Decred) 0.26 Gh/s
Ethereum / ETH (DaggerHashimoto) 5 Mh/s
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