Differences between USB ports


Time:

2021-11-12

The data bandwidth of USB3.0 is ten times that of USB2.0, which can reach 5Gb/s(480MB/s), and the synchronous transmission bandwidth can also reach 384MB/s, which is one of the main differences between USB3.0 and 2.0;

Differences between USB ports

Major differences:

1. The data bandwidth of USB3.0 is ten times that of USB2.0, which can reach 5Gb/s(480MB/s), and the synchronous transmission bandwidth can also reach 384MB/s, which is one of the main differences between USB3.0 and 2.0;

2. Low power consumption (about 25% lower than USB2.0 power consumption at 20MB/s data transmission volume);

3. USB3.0 is more energy saving than 2.0. For the devices in the waiting state temporarily, the power saving mode can be used.

USB3.0 data cable

USB3.0 data cable

4. USB3.0 can provide more power (2.5W to 4.5W) through cables; 5. USB3.0 is backward compatible and supports USB2.0 devices, but USB2.0 does not support USB3.0. Trend of development

The increasing power of USB cables means people can use them to charge their laptops.

Intel and its Allies are developing USB Power Transfer (USB PD) technology. USB 2.0 can deliver 2.5 watts, USB 3.0 4.5 watts, USB BC cable 7.5 watts, and USB PD can support 10 watts of mobile devices, 18 watts of tablet devices, and most peripherals, 36 watts of thin clients, larger peripherals, 60 watts of laptops, The docking stations are available at 100 watt stations.

The advent of USB PD has simplified the process of charging devices such as phones and tablets. "It makes charging more widespread by supporting devices like tablets and laptops," said Intel engineers Saunders and Dunstan.