GeForce GT 640 vs GRID K240Q

In this comparison between GeForce GT 640 and GRID K240Q you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GT 640 will be the best choice, for others GRID K240Q will be their preference. Study the comparison tables below and make your choice.

Main Specs

  GeForce GT 640 GRID K240Q
Power consumption (TDP) 65 Watt 225 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • GRID K240Q has 246% 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 K240Q.
  • Both cards are used in Desktops.
  • GeForce GT 640 and GRID K240Q are build with Kepler architecture.
  • Core clock speed of GeForce GT 640 is 157 MHz higher, than GRID K240Q.
  • GeForce GT 640 and GRID K240Q are manufactured by 28 nm process technology.
  • Memory clock speed of GRID K240Q is 3218 MHz higher, than GeForce GT 640.

Game benchmarks

high / 1080p 2−3 10−11
ultra / 1080p 1−2 6−7
QHD / 1440p 0−1 1−2
low / 720p 14−16 21−24
medium / 1080p 5−6 12−14
The average gaming FPS of GRID K240Q in Assassin's Creed Odyssey is 116% more, than GeForce GT 640.

Full Specs

  GeForce GT 640 GRID K240Q
Architecture Kepler Kepler
Code name GK107 GK104
Type Desktop Workstation
Release date 5 June 2012 28 June 2013
Pipelines 384 1536
Core clock speed 902 MHz 745 MHz
Transistor count 1,270 million 3,540 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 28.86 95.36
Floating-point performance 692.7 gflops 2,289 gflops
Length 145 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1782 MHz 5000 MHz
Memory bandwidth 28.51 GB/s 160.0 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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