LiFi vs WiFi

We all know that LiFi stands for Light fidelity while in WiFi stands for wireless fidelity. LiFi uses the light for data transmission while in WiFi uses electromagnetic waves at radio frequencies for data transmission. In this article, we list some main key difference between LiFi and WiFi. 

The main key difference between LiFi and WiFi are listed below:

  • LiFi stands for light fidelity while in, WiFi stands for wireless fidelity.
  • LiFi coined by Prof  Harald has i2011, while WiFi is invented by CR corporation o 1991.
  • LiFi works based on the VLC principle, while WiFi consists of two important devices namely, WiFi router, or AP, WiFi dongle and WiFi stations.
  • LiFi transmits data using light y the help of LED bulbs, WiFi transmits data using radio waves using a WiFi router. 
  • LiFi presents an IrDA compliant device while in WiFi WLAN 802.11/b/g/n/ac/d standard-compliant devices.
  • Conversion distance in LiFi is around 10 meters but in conversion distance of WiFi about 32 meters. 
  • The data transfer speed of LiFi is about 1 Gbps, and the WiFi ranges from 150 Mbps to a maximum of 2 Gbps.
  • Frequency operation of LiFi 10000 time-frequency spectrum of the radio, but in WiFi 2.4 GHz, 4.9 GHz, and 5 GHz.
  • While in LiFi using light is blocked by the walls hence provide more secure data transfer but in WiFi, walls cannot lock radio waves so we need to employ more techniques to achieve secure data transfer.
  • The data density of LiFi works with a high dese environment while in WiFi work in the less dense environment due to interference related issues.
  • Minimum components used in LiFi is LED blub, LED driver and photodetector, WiFi used router, modems, and access points.
  • LiFi is mainly used in airlines, undersea exploration, hospitals, office,  home premises, etc but WiFi used for internet browsing with the help of WiFi hotspot.


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