Quadro M620 vs Radeon R9 280

When choosing between Quadro M620 and Radeon R9 280, 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 M620 and Radeon R9 280.

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 R9 280
Power consumption (TDP) 30 Watt 200 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin + 1 x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 3 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon R9 280 has 566% more power consumption, than Quadro M620.
  • Radeon R9 280 has 1 GB more memory, than Quadro M620.
  • Quadro M620 is used in Mobile workstations, and Radeon R9 280 - in Desktops.
  • Quadro M620 is build with Maxwell architecture, and Radeon R9 280 - with GCN 1.0.
  • Quadro M620 and Radeon R9 280 are manufactured by 28 nm process technology.
  • Memory clock speed of Quadro M620 is 3762 MHz higher, than Radeon R9 280.

Game benchmarks

high / 1080p 14−16 35−40
ultra / 1080p 8−9 21−24
QHD / 1440p 3−4 16−18
4K / 2160p 10−11
low / 720p 30−35 60−65
medium / 1080p 18−20 40−45
The average gaming FPS of Radeon R9 280 in Assassin's Creed Odyssey is 140% more, than Quadro M620.

Full Specs

  Quadro M620 Radeon R9 280
Architecture Maxwell GCN 1.0
Code name Tahiti
Type Mobile workstation Desktop
Release date 13 January 2017 4 March 2014
Pipelines 512 1792
Core clock speed 1018 MHz
Boost Clock 933 MHz
Transistor count 4,313 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 104.5
Floating-point performance 3,344 gflops
Length 275 mm
Memory bus width 128 Bit 384 Bit
Memory clock speed 5012 MHz 1250 MHz
Memory bandwidth 80 GB/s 240 GB/s
Shared memory -
DirectX 12
Shader Model 5.0 5.1
OpenGL 4.5 4.6
OpenCL 1.2
Vulkan +
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 408 Mh/s
Laptop size large
Optimus +
Eyefinity +
HD3D +
TrueAudio +
Design reference
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 21.5 Mh/s
Display Port 1.2
Mosaic +
nView Display Management +
3D Stereo +
LiquidVR +
TressFX +
UVD +
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