GeForce GT 640M vs GRID M6 8Q

When choosing between GeForce GT 640M and GRID M6 8Q, 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 and GRID M6 8Q.

GeForce GT 640M is a Laptop Graphics Card

Note: GeForce GT 640M 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 here:

Main Specs

  GeForce GT 640M GRID M6 8Q
Power consumption (TDP) 32 Watt 100 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3\GDDR5 GDDR5
Maximum RAM amount 2 GB 8 GB
Display Connectors No outputs No outputs
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  • GRID M6 8Q has 212% more power consumption, than GeForce GT 640M.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • GRID M6 8Q has 6 GB more memory, than GeForce GT 640M.
  • GeForce GT 640M is used in Laptops, and GRID M6 8Q - in Desktops.
  • GeForce GT 640M is build with Kepler architecture, and GRID M6 8Q - with Maxwell 2.0.
  • GeForce GT 640M and GRID M6 8Q are manufactured by 28 nm process technology.
  • Memory clock speed of GRID M6 8Q is 3212 MHz higher, than GeForce GT 640M.

Game benchmarks

high / 1080p 0−1 18−20
ultra / 1080p 0−1 10−11
QHD / 1440p 0−1 5−6
4K / 2160p 4−5
low / 720p 10−12 35−40
medium / 1080p 2−3 21−24
The average gaming FPS of GRID M6 8Q in Assassin's Creed Odyssey is 400% more, than GeForce GT 640M.

Full Specs

  GeForce GT 640M GRID M6 8Q
Architecture Kepler Maxwell 2.0
Code name N13P-GS GM204
Type Laptop Workstation
Release date 22 March 2012 30 August 2015
Pipelines 384 1536
Core clock speed 722 MHz
Boost Clock 645 MHz
Transistor count 1,270 million 5,200 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 69.31
Floating-point performance 480.0 gflops 2,218 gflops
Memory bus width 128bit 256 Bit
Memory clock speed 1800 - 4000 MHz 5012 MHz
Memory bandwidth 160.4 GB/s
Shared memory -
DirectX 12 API 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.5 4.6
OpenCL 1.1 1.2
Vulkan 1.1.126 1.1.126
CUDA + 5.2
CUDA cores 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) 18 Mh/s
Laptop size medium sized
Optimus +
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