At present, the USB-C physical interface system, which dominates consumer electronics devices, can achieve data transmission, video transmission, and power transmission on the USB-C interface. Every update to the USB standard affects a large number of devices worldwide, and the consumer experience and industry trends have also changed. With the advanced examples of smartphones that need to be used every day, the battery power of mobile phones has brought huge losses, Charging once a day is already the norm for smartphones, and there are various charging interfaces available. Therefore, some people ask what is the difference between USB and Type-C!

In fact, Type-C is a USB interface with the same concept, and there is no difference between the front and back sides of this interface. Therefore, there is no need to worry about inserting the wrong data cable when using this interface.

In addition to the same front and back sides of the interface, the USB Type-C interface also has the following features: first, it can transmit data faster, and the maximum data transmission speed can reach 10Gbit/s, which is also the standard of USB3.1.

Secondly, the size of the Type-C interface socket end is about 8.3 millimeters by 2.6 millimeters. In today's increasingly lightweight smartphones, thinner bodies naturally require thinner ports, which is also an important reason why USB Type-C is becoming more and more popular. It can pass 3A-5A current and also support USB power supply capabilities, which can provide up to 100W of power, greatly accelerating the charging speed.

USB Historical Version Birth Specification

In 1996, the USB interface was born, which used D+D-cores for data communication, laying the foundation for future generalization.

In 2000, USB was updated to the USB2.0 version, rapidly expanding to a speed of 480Mbps, and is still the most commonly used interface standard today.

In January 2008, USB3.0 was released, and data transmission was changed to TX+TX-RX+RX core. The transmission rate increased significantly from 480Mbps to 5Gbps, with a read and write speed exceeding 100 megabits per second, bringing a qualitative leap.

In July 2013, USB3.1 was released, doubling its maximum speed to 10Gbps, and the well-known USB-C interface was also born at this time. There is a commotion here. USB-IF renamed the old USB 3.0 to USB 3.1 Gen 1, and the newly released USB 3.1 is called USB 3.1 Gen 2, causing confusion among ordinary consumers.

In September 2017, USB3.2 arrived again. Although the version number remains unchanged, it supports the simultaneous use of the upper and lower pins of the USB-C interface, and the simultaneous use of two sets of high-speed channels, doubling the maximum speed to 20Gbps. According to the latest released specifications, the naming of USB3.0 and USB3.1 versions will completely disappear and be unified into the sequence of USB3.2. The three versions will be renamed USB3.2 Gen1, USB3.2 Gen2, and USB3.2 Gen2x2, respectively.

In September 2019, USB4 was officially released, with a maximum transmission rate of 40Gbps, the same as Thunderbolt 3. There are two specifications for USB4, which are USB4 40 with a maximum bandwidth of 40Gbps and USB4 20 with a maximum bandwidth of 20Gbps. Consumers need to recognize that USB4 40 is the only fully functional interface.

In September 2022, the USB4 2.0 standard was exposed in advance, with a maximum speed of 80Gbps. It adopts a new data architecture, and the USB PD fast charging standard, USB Type-C interface, and cable standard will also be updated synchronously.