Quadro K620M vs Radeon 540

When choosing between Quadro K620M and Radeon 540, 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 K620M and Radeon 540.

Quadro K620M is a Laptop Graphics Card

Note: Quadro K620M 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 K620M here:

Main Specs

  Quadro K620M Radeon 540
Power consumption (TDP) 30 Watt 50 Watt
Interface MXM-A (3.0) PCIe 3.0 x8
Supplementary power connectors None None
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
  Check Price
  • Radeon 540 has 66% more power consumption, than Quadro K620M.
  • Quadro K620M is connected by MXM-A (3.0), and Radeon 540 uses PCIe 3.0 x8 interface.
  • Quadro K620M and Radeon 540 have maximum RAM of 2 GB.
  • Quadro K620M is used in Mobile workstations, and Radeon 540 - in Desktops.
  • Quadro K620M is build with Maxwell architecture, and Radeon 540 - with GCN 4.0.
  • Core clock speed of Radeon 540 is 71 MHz higher, than Quadro K620M.
  • Quadro K620M is manufactured by 28 nm process technology, and Radeon 540 - by 14 nm process technology.
  • Memory clock speed of Radeon 540 is 5000 MHz higher, than Quadro K620M.

Game benchmarks

high / 1080p 3−4 6−7
ultra / 1080p 1−2 3−4
QHD / 1440p 0−1 0−1
low / 720p 14−16 14−16
medium / 1080p 5−6 7−8
The average gaming FPS of Radeon 540 in Assassin's Creed Odyssey is 33% more, than Quadro K620M.

Full Specs

  Quadro K620M Radeon 540
Architecture Maxwell GCN 4.0
Code name GM108 Lexa
Type Mobile workstation Desktop
Release date 1 March 2015 26 March 2019
Pipelines 384 512
Core clock speed 1029 MHz 1100 MHz
Boost Clock 1124 MHz 1124 MHz
Transistor count 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 17.98 35.97
Floating-point performance 863.2 gflops
Length 145 mm
Memory bus width 64 Bit 64 Bit
Memory clock speed 2000 MHz 7000 MHz
Memory bandwidth 14.4 GB/s 56 GB/s
Shared memory -
DirectX 12 12 (12_0)
Shader Model 5 6.4
OpenGL 4.5 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 1.2.131
CUDA +
Bitcoin / BTC (SHA256) 92 Mh/s
Optimus +
Display Port 1.2
nView Display Management +
  Check Price