iPad2021 uses type-C interface, compatibility is very wide, and uses PD fast charging protocol, can support 20W cable fast charging. The iPad2021 uses the Apple M1, the same chipset as the MacBook Air. The Apple M1 is the company's in-house ARM-based SoC, designed to replace Intel and AMD's x64 chips on computers. By using the same chip in the iPad2021, Apple further fills the performance gap between the iPad2021 and devices like the MacBook.