Quadro M620 vs Radeon 550X

If you are going to buy a new graphics card and are choosing between Quadro M620 and Radeon 550X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Quadro M620 stacks up against Radeon 550X, check out specs charts below.

Quadro M620 is a Laptop Graphics Card

Note: Quadro M620 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 Quadro M620 here:

Main Specs

  Quadro M620 Radeon 550X
Power consumption (TDP) 30 Watt 50 Watt
Interface PCIe 3.0 x8
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon 550X has 66% more power consumption, than Quadro M620.
  • Quadro M620 and Radeon 550X have maximum RAM of 2 GB.
  • Quadro M620 is used in Mobile workstations, and Radeon 550X - in Desktops.
  • Quadro M620 is build with Maxwell architecture, and Radeon 550X - with GCN 4.0.
  • Core clock speed of Radeon 550X is 64 MHz higher, than Quadro M620.
  • Quadro M620 is manufactured by 28 nm process technology, and Radeon 550X - by 14 nm process technology.
  • Memory clock speed of Radeon 550X is 1988 MHz higher, than Quadro M620.

Game benchmarks

high / 1080p 14−16 7−8
ultra / 1080p 8−9 4−5
QHD / 1440p 3−4 0−1
low / 720p 30−35 16−18
medium / 1080p 18−20 9−10
The average gaming FPS of Quadro M620 in Assassin's Creed Odyssey is 100% more, than Radeon 550X.

Full Specs

  Quadro M620 Radeon 550X
Architecture Maxwell GCN 4.0
Code name Lexa
Type Mobile workstation Desktop
Release date 13 January 2017 27 March 2019
Pipelines 512 512
Core clock speed 1018 MHz 1082 MHz
Boost Clock 1218 MHz
Transistor count 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 38.98
Length 145 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 5012 MHz 7000 MHz
Memory bandwidth 80 GB/s 112.0 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
Laptop size large
Optimus +
Display Port 1.2
Mosaic +
nView Display Management +
3D Stereo +
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