Difference between USB 2.0 and USB 3.0
USB stands for Universal serial bus. It provides a way do connect a compete to other devices such as smart phones, digital cameras, printers, scanner etc. It is supported by the major operating system. When a usb device is connected to a pc the operating system detects the device and install necessary drivers which are needed to use it. The first usb was released in January 1996.There are four generations includes.
USB 2.0: USB 2.0 is also know as hi-speed usb or high band with usb. It was released in April 2000. It supports transfer rate up to 480 mbps. It is a up date version of usb 1.1 and developed by HP, Intel, Lucent, Microsoft, NEC and Philips jointly.
USB 3.0: USB 3.0 also known as super speed USB released on 12 November 2008. It supports data transfer rate up to 5.0 GBPS. It is the latest version of the universal serial bus that developed by HP.
| USB 2.0 | USB 3.0 |
|---|---|
| 1. Lower speed compare to USB 3.0. | 1. Higher speed compare to USB 3.0. |
| 2. Less deficiency poer compare to USB 3.0. | 2. High efficiency power compare to USB 2.0. |
| 3. Bas a black block inside the USB port. | 3. Bas a blue block inside the USB port. |
| 4. Data transfer rate 480 mbps. | 4. Data transfer rate 5 Gbps. |
| 5. Capable of providing up to 500 ma current. | 5. Capable of providing up to 900 ma current. |
| 6. It has four connector waxes. | 6. It has nine connector wires. |
| 7. Less expensive. | 7. More expensive. |
| 8. Max cable length 5 meters. | 8. Max cable length 5 meters. |
| 9. It is smaller is size. | 9. It has additional space for more winner. |
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Contributed By: Romana Rahman Ema