GeForce 940MX vs UHD Graphics 630

When choosing between GeForce 940MX and UHD Graphics 630, 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 940MX and UHD Graphics 630.

GeForce 940MX is a Laptop Graphics Card

Note: GeForce 940MX 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 940MX here:

Main Specs

  GeForce 940MX UHD Graphics 630
Power consumption (TDP) 23 Watt 15 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x1
Supplementary power connectors None
Memory type DDR3, GDDR5 System Shared
Maximum RAM amount 4 GB
Display Connectors No outputs No outputs
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  • GeForce 940MX has 53% more power consumption, than UHD Graphics 630.
  • GeForce 940MX is connected by PCIe 3.0 x8, and UHD Graphics 630 uses PCIe 3.0 x1 interface.
  • GeForce 940MX is used in Laptops, and UHD Graphics 630 - in Desktops.
  • GeForce 940MX is build with Maxwell architecture, and UHD Graphics 630 - with Gen. 9.5.
  • Core clock speed of GeForce 940MX is 822 MHz higher, than UHD Graphics 630.
  • GeForce 940MX is manufactured by 28 nm process technology, and UHD Graphics 630 - by 14 nm process technology.

Game benchmarks

high / 1080p 7−8 3−4
ultra / 1080p 4−5 1−2
QHD / 1440p 0−1 0−1
low / 720p 16−18 14−16
medium / 1080p 8−9 5−6
The average gaming FPS of GeForce 940MX in Assassin's Creed Odyssey is 50% more, than UHD Graphics 630.

Full Specs

  GeForce 940MX UHD Graphics 630
Architecture Maxwell Gen. 9.5
Code name N16S-GTR-B/S Kaby-Lake-H-GT2
Type Laptop Desktop
Release date 10 March 2016 1 October 2017
Pipelines 384 24
Core clock speed 1122 MHz 300 MHz
Boost Clock 1242 MHz 1150 MHz
Transistor count 1,870 million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 23.83 26.45
Floating-point performance 762.6 gflops 460.8 gflops
Memory bus width 64 Bit 64/128 Bit
Memory clock speed 4000 MHz
Memory bandwidth 40.1 GB/s
Shared memory - +
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.5
OpenGL 4.5 4.6
OpenCL 1.2 2.1
Vulkan 1.1 1.1.103
CUDA +
Bus support PCI Express 3.0
Bitcoin / BTC (SHA256) 102 Mh/s
Laptop size medium sized
Optimus +
Quick Sync +
GPU Boost 2.0
GameWorks +
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