Taurox vs Yixuan: who would win?

Yixuan favored — Slight edge (~55%)

Taurox · Warhammer Fantasy · Base

Tier
7-C
Attack Potency
Town Level+
Speed
Supersonic, up to Massively Hypersonic
Durability
Large Building Level, up to Town Level+

Yixuan · Zenless Zone Zero · Base

Tier
7-C, up to HIGH 7-C
Attack Potency
Town Level, up to Large Town Level
Speed
High Hypersonic, up to Massively Hypersonic
Durability
Town Level, up to Large Town Level

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