GeForce GT 645M vs GeForce MX350

In this comparison between GeForce GT 645M and GeForce MX350 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GT 645M will be the best choice, for others GeForce MX350 will be their preference. Study the comparison tables below and make your choice.

GeForce GT 645M and GeForce MX350 are Laptop Graphics Cards

Note: GeForce GT 645M and GeForce MX350 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 GT 645M or GeForce MX350 here:

Main Specs

  GeForce GT 645M GeForce MX350
Power consumption (TDP) 32 Watt 20 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3\GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs No outputs
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  • GeForce GT 645M has 60% more power consumption, than GeForce MX350.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • GeForce GT 645M and GeForce MX350 have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • GeForce GT 645M is build with Kepler architecture, and GeForce MX350 - with Pascal.
  • GeForce GT 645M is manufactured by 28 nm process technology, and GeForce MX350 - by 14 nm process technology.
  • Memory clock speed of GeForce MX350 is 5200 MHz higher, than GeForce GT 645M.

Game benchmarks

high / 1080p 1−2 14−16
ultra / 1080p 0−1 9−10
QHD / 1440p 0−1 4−5
low / 720p 12−14 30−35
medium / 1080p 2−3 18−20
The average gaming FPS of GeForce MX350 in Assassin's Creed Odyssey is 340% more, than GeForce GT 645M.

Full Specs

  GeForce GT 645M GeForce MX350
Architecture Kepler Pascal
Code name N13P-GS N17S-G5 / GP107-670-A1
Type Laptop Laptop
Release date 22 March 2012 20 February 2020
Pipelines 384 640
Core clock speed 1354 MHz
Boost Clock 1468 MHz
Transistor count 1,270 million 3,300 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 22.7 billion/sec 29.98
Floating-point performance 544.5 gflops
Memory bus width 128bit 64 Bit
Memory clock speed 1800 MHz 7000 MHz
Memory bandwidth 56.06 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 1.2.131
CUDA + 6.1
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) 19 Mh/s
Laptop size medium sized
Optimus + +
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