Killer (Edens Zero) vs Jinhsi: who would win?

Jinhsi favored — Slight edge (~55%)

Killer (Edens Zero) · Edens Zero · Base

Tier
5-A
Attack Potency
Large Planet Level
Speed
High Hypersonic, up to Massively Hypersonic+
Durability
Large Planet Level

Jinhsi · Wuthering Waves · Post Second Awakening

Tier
5-A
Attack Potency
Large Planet Level
Speed
Sub-Relativistic+
Durability
Large Planet Level

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.