Quadro M620 vs Radeon Pro 555

When comparing Quadro M620 and Radeon Pro 555, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Quadro M620 and Radeon Pro 555 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Quadro M620 and Radeon Pro 555 are Laptop Graphics Cards

Note: Quadro M620 and Radeon Pro 555 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 M620 or Radeon Pro 555 here:

Main Specs

  Quadro M620 Radeon Pro 555
Power consumption (TDP) 30 Watt 75 Watt
Interface PCIe 3.0 x8
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs
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  • Radeon Pro 555 has 150% more power consumption, than Quadro M620.
  • Quadro M620 and Radeon Pro 555 have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • Quadro M620 is build with Maxwell architecture, and Radeon Pro 555 - with Polaris.
  • Core clock speed of Quadro M620 is 163 MHz higher, than Radeon Pro 555.
  • Quadro M620 is manufactured by 28 nm process technology, and Radeon Pro 555 - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 555 is 68 MHz higher, than Quadro M620.

Game benchmarks

high / 1080p 14−16 16−18
ultra / 1080p 8−9 9−10
QHD / 1440p 3−4 4−5
4K / 2160p 4−5
low / 720p 30−35 30−35
medium / 1080p 18−20 20−22
The average gaming FPS of Radeon Pro 555 in Assassin's Creed Odyssey is 6% more, than Quadro M620.

Full Specs

  Quadro M620 Radeon Pro 555
Architecture Maxwell Polaris
Code name Polaris 21
Type Mobile workstation Mobile workstation
Release date 13 January 2017 5 June 2017
Pipelines 512 768
Core clock speed 1018 MHz 855 MHz
Transistor count 3,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 40.80
Floating-point performance 1,306 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 5012 MHz 5080 MHz
Memory bandwidth 80 GB/s 81.6 GB/s
Shared memory - -
DirectX 12 12 (12_0)
Shader Model 5.0 6.4
OpenGL 4.5 4.6
OpenCL 2.0
Vulkan 1.2.131
FreeSync +
Laptop size large large
Optimus +
Display Port 1.2
Mosaic +
nView Display Management +
3D Stereo +
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