| USB 2.0 | USB 3.0 | |
|---|---|---|
| Released | April 2000 | November 2008 |
| Speed | High Speed or HS, 480 Mbps | 10 times faster than USB 2.0. Super Speed, 4.8 Gbps. |
| Signaling Method | can either send or receive data. | can send and receive data simultaneously |
| Price | the USB 2.0 version is generally less expensive than it's USB 3.0 version. | the USB 3.0 version is generally more expensive than it's USB 2.0 version. |
| Power Usage | Up to 500 mA | Up to 900 mA. . |
| Number of wires within the cable | 4 | 9 |
| Standard-A Connectors | Grey | Blue |
| Standard-B Connectors | Smaller in size | Extra space for more wires |
| Max Cable length | 5 meters | 3 meters |
Sunday, 20 December 2015
USB 2.0 vs. USB 3.0
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