GeForce GT 640 vs GeForce MX330

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and GeForce MX330. 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 GeForce MX330. 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.

GeForce MX330 is a Laptop Graphics Card

Note: GeForce MX330 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 MX330 here:

Main Specs

  GeForce GT 640 GeForce MX330
Power consumption (TDP) 65 Watt 10 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None None
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • GeForce GT 640 has 550% more power consumption, than GeForce MX330.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • GeForce GT 640 and GeForce MX330 have maximum RAM of 2 GB.
  • GeForce GT 640 is used in Desktops, and GeForce MX330 - in Laptops.
  • GeForce GT 640 is build with Kepler architecture, and GeForce MX330 - with Pascal.
  • Core clock speed of GeForce MX330 is 629 MHz higher, than GeForce GT 640.
  • GeForce GT 640 is manufactured by 28 nm process technology, and GeForce MX330 - by 16 nm process technology.
  • Memory clock speed of GeForce MX330 is 5218 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 27−30
medium / 1080p 5−6 16−18
The average gaming FPS of GeForce MX330 in Assassin's Creed Odyssey is 183% more, than GeForce GT 640.

Full Specs

  GeForce GT 640 GeForce MX330
Architecture Kepler Pascal
Code name GK107 N17S-LP / N17S-G3
Type Desktop Laptop
Release date 5 June 2012 20 February 2020
Pipelines 384 384
Core clock speed 902 MHz 1531 MHz
Boost Clock 1594 MHz
Transistor count 1,270 million 1,800 million
Manufacturing process technology 28 nm 16 nm
Texture fill rate 28.86 38.26
Floating-point performance 692.7 gflops
Length 145 mm
Memory bus width 128 Bit 64 Bit
Memory clock speed 1782 MHz 7000 MHz
Memory bandwidth 28.51 GB/s 48.06 GB/s
Shared memory -
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126 1.2.131
CUDA 3.0 6.1
Bitcoin / BTC (SHA256) 24 Mh/s
Optimus +
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