Difference between 4 star and 5 star characters in Zenless Zone Zero

These characters have different rarities.
Each character is different.

Impact - News - IMDb

Zenless Zone Zero Gacha System and Character Rarities Explained (CBT2) - KeenGamer

Zenless Zone Zero Soukaku

Are pure DPS 4-star characters supposed to be so rare? : r/Genshin_Impact

Poll/Discussion] Who are the BEST 5 STARS FOR EACH ROLE? Vote and Discuss! Genshin Impact

Zenless Zone Zero - All Characters Idle & Attack Animations (Closed Beta)

List of all playable characters in Zenless Zone Zero

Zenless Zone Zero Gacha System and Character Rarities Explained (CBT2) - KeenGamer

List of all playable characters in Zenless Zone Zero

Zenless Zone Zero CBT1 vs. CBT2, Full Comprehensive Detailed Guide - Tech_DIY

The only Honkai Star Rail guide for Genshin Impact players

Is THIS The Next Big Game from Hoyoverse?

Genshin Impact studio teases Honkai Star Rail launch in third beta announcement

Zenless Zone Zero Character Guide-Game Guides-LDPlayer

All the 4 star characters from the 3.X versions! Which one was your favorite? Their gameplay and character designs were very different from what we were used to get. : r/Genshin_Impact