GeForce GTX 680M vs GeForce MX450

When choosing between GeForce GTX 680M and GeForce MX450, 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 GTX 680M and GeForce MX450.

GeForce GTX 680M and GeForce MX450 are Laptop Graphics Cards

Note: GeForce GTX 680M and GeForce MX450 are only used in laptop graphics. They have 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 GTX 680M or GeForce MX450 here:

Main Specs

  GeForce GTX 680M GeForce MX450
Power consumption (TDP) 100 Watt 50 Watt
Interface MXM-B (3.0) PCIe 4.0 x4
Supplementary power connectors None None
Memory type GDDR5 GDDR5,GDDR6
Maximum RAM amount 4 GB 2 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 680M has 100% more power consumption, than GeForce MX450.
  • GeForce GTX 680M is connected by MXM-B (3.0), and GeForce MX450 uses PCIe 4.0 x4 interface.
  • GeForce GTX 680M has 2 GB more memory, than GeForce MX450.
  • Both cards are used in Laptops.
  • GeForce GTX 680M is build with Kepler architecture, and GeForce MX450 - with Turing.
  • Core clock speed of GeForce MX450 is 675 MHz higher, than GeForce GTX 680M.
  • GeForce GTX 680M is manufactured by 28 nm process technology, and GeForce MX450 - by 12 nm process technology.
  • Memory clock speed of GeForce MX450 is 8202 MHz higher, than GeForce GTX 680M.

Game benchmarks

high / 1080p 16−18 16−18
ultra / 1080p 9−10 10−11
QHD / 1440p 4−5 4−5
4K / 2160p 4−5
low / 720p 30−35 35−40
medium / 1080p 20−22 21−24
The average gaming FPS of GeForce MX450 in Assassin's Creed Odyssey is 12% more, than GeForce GTX 680M.

Full Specs

  GeForce GTX 680M GeForce MX450
Architecture Kepler Turing
Code name N13E-GTX N17S-G5 / GP107-670-A1
Type Laptop Laptop
Release date 4 June 2012 1 August 2020
Pipelines 1344 896
Core clock speed 720 MHz 1395 MHz
Boost Clock 758 MHz 1575 MHz
Transistor count 3,540 million 4,700 million
Manufacturing process technology 28 nm 12 nm
Texture fill rate 80.6 billion/sec 100.8
Floating-point performance 2,038 gflops
Memory bus width 256 Bit 64 Bit
Memory clock speed 1800 MHz 10002 MHz
Memory bandwidth 115.2 GB/s 64.03 GB/s
Shared memory - -
DirectX 12 API 12 (12_1)
Shader Model 5.1 6.5
OpenGL 4.5 4.6
OpenCL 1.1 1.2
Vulkan 1.1.126 1.2
CUDA + 7.5
CUDA cores 1344
Bus support PCI Express 3.0
SLI options +
Bitcoin / BTC (SHA256) 100 Mh/s
Laptop size large
Optimus + +
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