Soya Sazanami vs Speed Demon: who would win?

Speed Demon favored — Slight edge (~55%)

Soya Sazanami · Kagurabachi · Base

Tier

9-A

Attack Potency

Small Building Level

Speed

Massively Hypersonic

Durability

Small Building Level

Speed Demon · Marvel · Base

Tier

9-A

Attack Potency

Small Building Level

Speed

Ftl

Durability

Small Building Level

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