Both headphones offer great sound and good battery life but here are some key differences that may impact your purchase

P20i review
   • Soundcore by Anker P20i review  

A20i review
   • Soundcore Anker A20i review  

P20i amazon link
Soundcore by Anker P20i True Wireless Earbuds, 10mm Drivers with Big Bass, Bluetooth 5.3, 30H Long Playtime, Water-Resistant, 2 Mics for AI Clear Calls, 22 Preset EQs, Customization via App https://a.co/d/hwywb2Z

A20i amazon link
Soundcore by Anker A20i True Wireless Earbuds, Bluetooth 5.3, App, Customized Sound, 28H Long Playtime, Water-Resistant, 2 Mics for AI Clear Calls, Single Earbud Mode https://a.co/d/6cJYs05