GeForce GT 640 vs GRID K140Q

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and GRID K140Q. 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 GRID K140Q. 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 GRID K140Q
Power consumption (TDP) 65 Watt 130 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3 DDR3
Maximum RAM amount 2 GB 1 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • GRID K140Q has 100% more power consumption, than GeForce GT 640.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • GeForce GT 640 has 1 GB more memory, than GRID K140Q.
  • Both cards are used in Desktops.
  • GeForce GT 640 and GRID K140Q are build with Kepler architecture.
  • Core clock speed of GeForce GT 640 is 52 MHz higher, than GRID K140Q.
  • GeForce GT 640 and GRID K140Q are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GT 640 and GRID K140Q is 1782 MHz.

Game benchmarks

high / 1080p 2−3 0−1
ultra / 1080p 1−2 0−1
QHD / 1440p 0−1 0−1
low / 720p 14−16 9−10
medium / 1080p 5−6 1−2
The average gaming FPS of GeForce GT 640 in Assassin's Creed Odyssey is 100% more, than GRID K140Q.

Full Specs

  GeForce GT 640 GRID K140Q
Architecture Kepler Kepler
Code name GK107 GK107
Type Desktop Workstation
Release date 5 June 2012 28 June 2013
Pipelines 384 192
Core clock speed 902 MHz 850 MHz
Transistor count 1,270 million 1,270 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 28.86 13.60
Floating-point performance 692.7 gflops 326.4 gflops
Length 145 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1782 MHz 1782 MHz
Memory bandwidth 28.51 GB/s 28.51 GB/s
DirectX 12 (11_0) 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.6 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126 1.1.126
CUDA 3.0 3.0
Bitcoin / BTC (SHA256) 24 Mh/s
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