ATmega4808, The New Arduino Chip?

The chip used in the Arduinos is old. Recently a replacement with more features appeared on Aliexpress. Does it really outperform the grandpa Atmel 328P? How compatible is it? And what is its most significant advantage? I am a proud Patreon of @GreatScott!, @ElectroBOOM , @Electronoobs , @EEVblog , and others. My second channel: Links: 4808 Nano Clone: Atmega4809 Chip: or “Old“ Nano Clone: Arduino Uno: Arduino Nano Every: UPDI Programming: Atmega Datasheet: Core for Atmega4808/4809: LowPower Library: Bootloader flashing: UPDI programmer (Ti