GeForce GTX 680MX vs UHD Graphics 620

When choosing between GeForce GTX 680MX and UHD Graphics 620, 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 680MX and UHD Graphics 620.

GeForce GTX 680MX and UHD Graphics 620 are Laptop Graphics Cards

Note: GeForce GTX 680MX and UHD Graphics 620 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 680MX or UHD Graphics 620 here:

Main Specs

  GeForce GTX 680MX UHD Graphics 620
Power consumption (TDP) 122 Watt 15 Watt
Interface PCIe 3.0 x1
Memory type GDDR5 LPDDR3/DDR4
Maximum RAM amount 2 GB 32 GB
Display Connectors No outputs
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  • GeForce GTX 680MX has 713% more power consumption, than UHD Graphics 620.
  • UHD Graphics 620 has 30 GB more memory, than GeForce GTX 680MX.
  • Both cards are used in Laptops.
  • GeForce GTX 680MX is build with Kepler architecture, and UHD Graphics 620 - with Gen. 9.5.
  • Core clock speed of GeForce GTX 680MX is 420 MHz higher, than UHD Graphics 620.
  • GeForce GTX 680MX is manufactured by 28 nm process technology, and UHD Graphics 620 - by 14 nm process technology.

Game benchmarks

high / 1080p 21−24 2−3
ultra / 1080p 12−14 0−1
QHD / 1440p 7−8 0−1
4K / 2160p 5−6
low / 720p 40−45 12−14
medium / 1080p 27−30 3−4
The average gaming FPS of GeForce GTX 680MX in Assassin's Creed Odyssey is 416% more, than UHD Graphics 620.

Full Specs

  GeForce GTX 680MX UHD Graphics 620
Architecture Kepler Gen. 9.5
Code name Kaby-Lake-Refresh GT2
Type Laptop Laptop
Release date 23 October 2012 1 September 2017
Pipelines 1536 24
Core clock speed 720 MHz 300 MHz
Boost Clock 1150 MHz
Transistor count 3540 Million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 92.2 billion/sec 27.60
Memory bus width 256 Bit 64/128 Bit
Memory clock speed 2500 MHz
Memory bandwidth 160 GB/s
Shared memory - +
DirectX 12 API 12 (12_1)
Shader Model 6.4
OpenGL 4.5 4.6
OpenCL 1.1 2.1
Vulkan 1.1.103
CUDA +
CUDA cores 1536
Bus support PCI Express 3.0
SLI options +
3D Vision +
Bitcoin / BTC (SHA256) 57 Mh/s
Laptop size large
Optimus +
Quick Sync +
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