GeForce GT 640M LE vs GRID K220Q

When choosing between GeForce GT 640M LE and GRID K220Q, 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 640M LE and GRID K220Q.

GeForce GT 640M LE is a Laptop Graphics Card

Note: GeForce GT 640M LE is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GT 640M LE here:

Main Specs

  GeForce GT 640M LE GRID K220Q
Power consumption (TDP) 20 Watt 225 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Memory type DDR3\DDR5 GDDR5
Maximum RAM amount 2 GB 512 MB
Display Connectors No outputs No outputs
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  • GRID K220Q has 1025% more power consumption, than GeForce GT 640M LE.
  • GeForce GT 640M LE is connected by PCIe 2.0 x16, and GRID K220Q uses PCIe 3.0 x16 interface.
  • GRID K220Q has 510 GB more memory, than GeForce GT 640M LE.
  • GeForce GT 640M LE is used in Laptops, and GRID K220Q - in Desktops.
  • GeForce GT 640M LE is build with Fermi / Kepler architecture, and GRID K220Q - with Kepler.
  • GeForce GT 640M LE and GRID K220Q are manufactured by 28 nm process technology.
  • Memory clock speed of GRID K220Q is 3200 MHz higher, than GeForce GT 640M LE.

Game benchmarks

high / 1080p 0−1 1−2
ultra / 1080p 0−1
QHD / 1440p 0−1 0−1
low / 720p 1−2 10−12
medium / 1080p 0−1 2−3
The average gaming FPS of GRID K220Q in Assassin's Creed Odyssey is 1000% more, than GeForce GT 640M LE.

Full Specs

  GeForce GT 640M LE GRID K220Q
Architecture Fermi / Kepler Kepler
Code name N13P-LP GK104
Type Laptop Workstation
Release date 22 March 2012 2 July 2014
Pipelines 384 1536
Core clock speed 745 MHz
Transistor count 585 million 3,540 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 95.36
Floating-point performance 384.0 gflops 2,289 gflops
Memory bus width 128bit 256 Bit
Memory clock speed 1800 - 4000 MHz 5000 MHz
Memory bandwidth 160.0 GB/s
Shared memory -
DirectX 12 API 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.5 4.6
OpenCL 1.1 1.2
Vulkan N/A 1.1.126
CUDA + 3.0
CUDA cores Up to 384
Bus support PCI Express 2.0, PCI Express 3.0
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
3D Blu-Ray +
Bitcoin / BTC (SHA256) 14 Mh/s
Laptop size medium sized
Optimus +
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