GeForce GT 640 vs Quadro K1200

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and Quadro K1200. 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 Quadro K1200. 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 Quadro K1200
Power consumption (TDP) 65 Watt 45 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors None None
Memory type DDR3 128 Bit
Maximum RAM amount 2 GB 4 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 4x mini-DisplayPort
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  • GeForce GT 640 has 44% more power consumption, than Quadro K1200.
  • GeForce GT 640 is connected by PCIe 3.0 x16, and Quadro K1200 uses PCIe 2.0 x16 interface.
  • Quadro K1200 has 2 GB more memory, than GeForce GT 640.
  • Both cards are used in Desktops.
  • GeForce GT 640 is build with Kepler architecture, and Quadro K1200 - with Maxwell.
  • Core clock speed of Quadro K1200 is 156 MHz higher, than GeForce GT 640.
  • GeForce GT 640 and Quadro K1200 are manufactured by 28 nm process technology.
  • Quadro K1200 is 15 mm longer, than GeForce GT 640.
  • Memory clock speed of Quadro K1200 is 3218 MHz higher, than GeForce GT 640.

Game benchmarks

high / 1080p 2−3 14−16
ultra / 1080p 1−2 8−9
QHD / 1440p 0−1 3−4
low / 720p 14−16 30−35
medium / 1080p 5−6 18−20
The average gaming FPS of Quadro K1200 in Assassin's Creed Odyssey is 200% more, than GeForce GT 640.

Full Specs

  GeForce GT 640 Quadro K1200
Architecture Kepler Maxwell
Code name GK107 GM107
Type Desktop Workstation
Release date 5 June 2012 28 January 2015
Pipelines 384 512
Core clock speed 902 MHz 1058 MHz
Boost Clock 1124 MHz
Transistor count 1,270 million 1,870 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 28.86 35.97
Floating-point performance 692.7 gflops 1,151 gflops
Length 145 mm 160 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1782 MHz 5000 MHz
Memory bandwidth 28.51 GB/s
DirectX 12 (11_0) 12
Shader Model 5.1 5
OpenGL 4.6 4.5
OpenCL 1.2 1.2
Vulkan 1.1.126 +
CUDA 3.0 5.0
Bitcoin / BTC (SHA256) 24 Mh/s 132 Mh/s
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
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