Radeon RX 550 vs UHD Graphics 620

When choosing between Radeon RX 550 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 RX 550 and UHD Graphics 620.

UHD Graphics 620 is a Laptop Graphics Card

Note: UHD Graphics 620 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 UHD Graphics 620 here:

Main Specs

  Radeon RX 550 UHD Graphics 620
Power consumption (TDP) 50 Watt 15 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x1
Supplementary power connectors None
Memory type GDDR5 LPDDR3/DDR4
Maximum RAM amount 4 GB 32 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Radeon RX 550 has 233% more power consumption, than UHD Graphics 620.
  • Radeon RX 550 is connected by PCIe 3.0 x8, and UHD Graphics 620 uses PCIe 3.0 x1 interface.
  • UHD Graphics 620 has 28 GB more memory, than Radeon RX 550.
  • Radeon RX 550 is used in Desktops, and UHD Graphics 620 - in Laptops.
  • Radeon RX 550 is build with GCN 4.0 architecture, and UHD Graphics 620 - with Gen. 9.5.
  • Core clock speed of Radeon RX 550 is 800 MHz higher, than UHD Graphics 620.
  • Radeon RX 550 and UHD Graphics 620 are manufactured by 14 nm process technology.

Game benchmarks

high / 1080p 14−16 2−3
ultra / 1080p 8−9 0−1
QHD / 1440p 3−4 0−1
low / 720p 30−33 12−14
medium / 1080p 18−20 3−4
The average gaming FPS of Radeon RX 550 in Assassin's Creed Odyssey is 250% more, than UHD Graphics 620.

Full Specs

  Radeon RX 550 UHD Graphics 620
Architecture GCN 4.0 Gen. 9.5
Code name Lexa Kaby-Lake-Refresh GT2
Type Desktop Laptop
Release date 20 April 2017 1 September 2017
Pipelines 512 24
Core clock speed 1100 MHz 300 MHz
Boost Clock 1183 MHz 1150 MHz
Transistor count 2,200 million 189 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 37.86 27.60
Floating-point performance 1,211 gflops
Length 145 mm
Memory bus width 128 Bit 64/128 Bit
Memory clock speed 7000 MHz
Memory bandwidth 112.0 GB/s
Shared memory +
DirectX 12 (12_0) 12 (12_1)
Shader Model 6.4 6.4
OpenGL 4.6 4.6
OpenCL 2.0 2.1
Vulkan 1.2.131 1.1.103
Quick Sync +
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