Gaira vs Suì-Fēng: who would win?

Suì-Fēng favored — Slight edge (~55%)

Gaira · Godzilla · Base

Tier

HIGH 6-B

Attack Potency

Large Country Level

Speed

Superhuman

Durability

Large Country Level

Suì-Fēng · Bleach · Post-Timeskip

Tier

HIGH 6-B, up to 6-A

Attack Potency

Large Country Level, up to Continent Level

Speed

Massively Hypersonic

Durability

Large Country Level

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