Radeon R8 M445DX vs UHD Graphics 620

When choosing between Radeon R8 M445DX 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 Radeon R8 M445DX and UHD Graphics 620.

Radeon R8 M445DX and UHD Graphics 620 are Laptop Graphics Cards

Note: Radeon R8 M445DX 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 Radeon R8 M445DX or UHD Graphics 620 here:

Main Specs

  Radeon R8 M445DX UHD Graphics 620
Power consumption (TDP) 15 Watt
Interface IGP PCIe 3.0 x1
Memory type DDR4/DDR3 LPDDR3/DDR4
Maximum RAM amount 32 GB
Display Connectors No outputs No outputs
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  • Radeon R8 M445DX is connected by IGP, and UHD Graphics 620 uses PCIe 3.0 x1 interface.
  • Both cards are used in Laptops.
  • Radeon R8 M445DX is build with GCN architecture, and UHD Graphics 620 - with Gen. 9.5.
  • Core clock speed of Radeon R8 M445DX is 420 MHz higher, than UHD Graphics 620.
  • Radeon R8 M445DX is manufactured by 28 nm process technology, and UHD Graphics 620 - by 14 nm process technology.

Game benchmarks

high / 1080p 0−1 2−3
ultra / 1080p 0−1
QHD / 1440p 0−1 0−1
low / 720p 1−2 12−14
medium / 1080p 0−1 3−4
The average gaming FPS of UHD Graphics 620 in Assassin's Creed Odyssey is 1200% more, than Radeon R8 M445DX.

Full Specs

  Radeon R8 M445DX UHD Graphics 620
Architecture GCN Gen. 9.5
Code name Meso Kaby-Lake-Refresh GT2
Type Laptop Laptop
Release date 1 June 2016 1 September 2017
Pipelines 704 24
Core clock speed 720 / 1020 MHz 300 MHz
Boost Clock 1021 MHz 1150 MHz
Transistor count 1,550 million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 20.42 27.60
Memory bus width 128 + 64 Bit 64/128 Bit
Memory clock speed 933 / 1000 MHz
Shared memory - +
DirectX 12 (12_0) 12 (12_1)
Shader Model 6.0 6.4
OpenGL 4.6 4.6
OpenCL 2.0 2.1
Vulkan 1.2.131 1.1.103
Laptop size medium sized
Quick Sync +
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