The main difference between the Xiaomi G20 and the G20 Lite lies in the suction power and the available functions. Here are some of the key differences:

- Suction power: The G20 offers a higher suction power of up to 150 AW, while the G20 Lite only has two suction strengths and is less powerful.
- Brush head combination: The G20 has a versatile brush head combination suitable for different floor types, while the G20 Lite has fewer accessories.
- Battery runtime: Both models have different battery runtimes, with the G20 offering a longer runtime in energy-saving modes.
- Functions: The G20 has an LED display and more accessories such as a mini electric brush, while the G20 Lite has a simpler design.