Difference between HDMI and USB

As we know, HDMI  and USB are the two most common key terms in the field of electrical and audio/video connections. Most of the times these terms confuse the newbie or those who just started learning the electronics sciences. So here this article gives information about the difference between HDMI and USB to better understand this topic.


Definition of HDMI:

HDMI stands for High definition multimedia interface. HDMI is a simpler, more accurate way of transmitting data between components. HDMI is an alternative to other connections, such as a DVI or component video. This system consists of digital television that includes HDMI inputs and components with HDMI outputs.  An HDMI cable, which consists of 19 individual wires into a single cable, is used to connect the Two. The interface resembles a large USB connection, with the number of 19 pins or holes.

Definition of USB:

USB stands for Universal serial bus, This device is used in industry-standard that establishes specifications for cable, connectors. The protocols for connection, communications, supply,  and for use power supply between computers, laptops, some peripherals, and other computers.

The main key difference between HDMI and USB are listed below:


  • HDMI stands for a high definition multimedia interface, while the USB stands for Universal serial bus.
  • HDMI provides an interface between any audio/video source, such as we have to daily use set-up boxes, DVD players, or A/V receiver and an audio and/or video monitor such as the digital television over a single cable. A USB provides a standard connection interface for personal computers and consumer electronics devices.
  • HDMI supports standard, enhanced, or high definition video, plus multi-channel digital audio on a single cable, While the USB port allows USB devices to be connected to each other with and transfer digital data over USB cables.
  • A Mini HDMI is used for audio and video, a micro USB is generally used for being able to charge a cellphone, camera, or e-reader. A micro USB device is also used to transfer different types of data straight to your desktop, computer, or laptop via the USB connection on each gadget. While in an HDMI cable is not used for data transfer at all.
  • Micro USN is much smaller and sturdier than standard USB cables though and was made for use on smartphones and smaller gadgets than standard USB cable was designed for.

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