GeForce GTX 660M vs GeForce MX450

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660M and GeForce MX450. 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 GTX 660M and GeForce MX450. 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 GTX 660M and GeForce MX450 are Laptop Graphics Cards

Note: GeForce GTX 660M 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 660M or GeForce MX450 here:

Main Specs

  GeForce GTX 660M GeForce MX450
Power consumption (TDP) 50 Watt 50 Watt
Interface MXM-B (3.0) PCIe 4.0 x4
Supplementary power connectors None
Memory type GDDR5 GDDR5,GDDR6
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs No outputs
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  • Both graphics cards have the same power consumption of 50 Watt.
  • GeForce GTX 660M is connected by MXM-B (3.0), and GeForce MX450 uses PCIe 4.0 x4 interface.
  • GeForce GTX 660M and GeForce MX450 have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • GeForce GTX 660M is build with Kepler architecture, and GeForce MX450 - with Turing.
  • Core clock speed of GeForce MX450 is 560 MHz higher, than GeForce GTX 660M.
  • GeForce GTX 660M is manufactured by 28 nm process technology, and GeForce MX450 - by 12 nm process technology.
  • Memory clock speed of GeForce MX450 is 8002 MHz higher, than GeForce GTX 660M.

Game benchmarks

high / 1080p 6−7 16−18
ultra / 1080p 4−5 10−11
QHD / 1440p 0−1 4−5
low / 720p 16−18 35−40
medium / 1080p 8−9 21−24
The average gaming FPS of GeForce MX450 in Assassin's Creed Odyssey is 133% more, than GeForce GTX 660M.

Full Specs

  GeForce GTX 660M GeForce MX450
Architecture Kepler Turing
Code name N13E-GE N17S-G5 / GP107-670-A1
Type Laptop Laptop
Release date 22 March 2012 1 August 2020
Pipelines 384 896
Core clock speed 835 MHz 1395 MHz
Boost Clock 950 MHz 1575 MHz
Transistor count 1,270 million 4,700 million
Manufacturing process technology 28 nm 12 nm
Texture fill rate 30.4 billion/sec 100.8
Floating-point performance 729.6 gflops
Memory bus width 128bit 64 Bit
Memory clock speed 2000 MHz 10002 MHz
Memory bandwidth 64.0 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 384
Bus support PCI Express 2.0, PCI Express 3.0
SLI options +
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
Bitcoin / BTC (SHA256) 36 Mh/s
Laptop size large
Optimus + +
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