GeForce GT 640 vs GeForce GTX 285

When choosing between GeForce GT 640 and GeForce GTX 285, 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 285.

Main Specs

  GeForce GT 640 GeForce GTX 285
Power consumption (TDP) 65 Watt 204 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors None 2x 6-pin
Memory type DDR3 GDDR3
Maximum RAM amount 2 GB 1 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 2x DVI, 1x S-Video
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  • GeForce GTX 285 has 213% more power consumption, than GeForce GT 640.
  • GeForce GT 640 is connected by PCIe 3.0 x16, and GeForce GTX 285 uses PCIe 2.0 x16 interface.
  • GeForce GT 640 has 1 GB more memory, than GeForce GTX 285.
  • Both cards are used in Desktops.
  • GeForce GT 640 is build with Kepler architecture, and GeForce GTX 285 - with Tesla 2.0.
  • Core clock speed of GeForce GTX 285 is 574 MHz higher, than GeForce GT 640.
  • GeForce GT 640 is manufactured by 28 nm process technology, and GeForce GTX 285 - by 55 nm process technology.
  • GeForce GT 640 is 135 mm longer, than GeForce GTX 285.
  • Memory clock speed of GeForce GT 640 is 540 MHz higher, than GeForce GTX 285.

Game benchmarks

high / 1080p 2−3 7−8
ultra / 1080p 1−2 4−5
QHD / 1440p 0−1 0−1
low / 720p 14−16 16−18
medium / 1080p 5−6 9−10
The average gaming FPS of GeForce GTX 285 in Assassin's Creed Odyssey is 50% more, than GeForce GT 640.

Full Specs

  GeForce GT 640 GeForce GTX 285
Architecture Kepler Tesla 2.0
Code name GK107 GT200B
Type Desktop Desktop
Release date 5 June 2012 23 December 2008
Pipelines 384 240
Core clock speed 902 MHz 1476 MHz
Transistor count 1,270 million 1,400 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 28.86 51.8 billion/sec
Floating-point performance 692.7 gflops 708.5 gflops
Length 145 mm 10.5" (267 mm) (26.7 cm)
Memory bus width 128 Bit 512 Bit
Memory clock speed 1782 MHz 1242 MHz
Memory bandwidth 28.51 GB/s 159.0 GB/s
DirectX 12 (11_0) 11.1 (10_0)
Shader Model 5.1 4.0
OpenGL 4.6 2.1
OpenCL 1.2 1.1
Vulkan 1.1.126 N/A
CUDA 3.0 +
CUDA cores 240
Height 4.376" (111 mm) (11.1 cm)
SLI options +
Multi monitor support +
HDMI +
Maximum VGA resolution 2048x1536
Audio input for HDMI S/PDIF
Bitcoin / BTC (SHA256) 24 Mh/s
High Dynamic-Range Lighting (HDRR) 128bit
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