Quadro K620M vs UHD Graphics 620

When choosing between Quadro K620M 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 Quadro K620M and UHD Graphics 620.

Quadro K620M and UHD Graphics 620 are Laptop Graphics Cards

Note: Quadro K620M 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 Quadro K620M or UHD Graphics 620 here:

Main Specs

  Quadro K620M UHD Graphics 620
Power consumption (TDP) 30 Watt 15 Watt
Interface MXM-A (3.0) PCIe 3.0 x1
Supplementary power connectors None
Memory type DDR3 LPDDR3/DDR4
Maximum RAM amount 2 GB 32 GB
Display Connectors No outputs No outputs
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  • Quadro K620M has 100% more power consumption, than UHD Graphics 620.
  • Quadro K620M is connected by MXM-A (3.0), and UHD Graphics 620 uses PCIe 3.0 x1 interface.
  • UHD Graphics 620 has 30 GB more memory, than Quadro K620M.
  • Quadro K620M is used in Mobile workstations, and UHD Graphics 620 - in Laptops.
  • Quadro K620M is build with Maxwell architecture, and UHD Graphics 620 - with Gen. 9.5.
  • Core clock speed of Quadro K620M is 729 MHz higher, than UHD Graphics 620.
  • Quadro K620M is manufactured by 28 nm process technology, and UHD Graphics 620 - by 14 nm process technology.

Game benchmarks

high / 1080p 3−4 2−3
ultra / 1080p 1−2 0−1
QHD / 1440p 0−1 0−1
low / 720p 14−16 12−14
medium / 1080p 5−6 3−4
The average gaming FPS of Quadro K620M in Assassin's Creed Odyssey is 33% more, than UHD Graphics 620.

Full Specs

  Quadro K620M UHD Graphics 620
Architecture Maxwell Gen. 9.5
Code name GM108 Kaby-Lake-Refresh GT2
Type Mobile workstation Laptop
Release date 1 March 2015 1 September 2017
Pipelines 384 24
Core clock speed 1029 MHz 300 MHz
Boost Clock 1124 MHz 1150 MHz
Transistor count 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 17.98 27.60
Floating-point performance 863.2 gflops
Memory bus width 64 Bit 64/128 Bit
Memory clock speed 2000 MHz
Memory bandwidth 14.4 GB/s
Shared memory - +
DirectX 12 12 (12_1)
Shader Model 5 6.4
OpenGL 4.5 4.6
OpenCL 1.2 2.1
Vulkan 1.1.126 1.1.103
CUDA +
Bitcoin / BTC (SHA256) 92 Mh/s
Optimus +
Quick Sync +
Display Port 1.2
nView Display Management +
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