GeForce 940MX vs HD Graphics P630

When choosing between GeForce 940MX and HD Graphics P630, 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 HD Graphics P630.

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 HD Graphics P630
Power consumption (TDP) 23 Watt 15 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x1
Supplementary power connectors None
Memory type DDR3, GDDR5 DDR3L/LPDDR3/DDR4
Maximum RAM amount 4 GB 1740 MB
Display Connectors No outputs No outputs
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  • GeForce 940MX has 53% more power consumption, than HD Graphics P630.
  • GeForce 940MX is connected by PCIe 3.0 x8, and HD Graphics P630 uses PCIe 3.0 x1 interface.
  • HD Graphics P630 has 1736 GB more memory, than GeForce 940MX.
  • GeForce 940MX is used in Laptops, and HD Graphics P630 - in Desktops.
  • GeForce 940MX is build with Maxwell architecture, and HD Graphics P630 - with Gen. 9.5 Kaby Lake.
  • GeForce 940MX is manufactured by 28 nm process technology, and HD Graphics P630 - 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 HD Graphics P630.

Full Specs

  GeForce 940MX HD Graphics P630
Architecture Maxwell Gen. 9.5 Kaby Lake
Code name N16S-GTR-B/S Kaby-Lake-H-GT2
Type Laptop Desktop
Release date 10 March 2016 5 August 2016
Pipelines 384 24
Core clock speed 1122 MHz
Boost Clock 1242 MHz 1100 MHz
Transistor count 1,870 million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 23.83 26.40
Floating-point performance 762.6 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 6.4
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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