Yakumo Oomori vs The Arctic Giant: who would win?

Yakumo Oomori favored — Slight edge (~55%)

Yakumo Oomori · Tokyo Ghoul · Base

Tier
8-A
Attack Potency
Multi-City Block Level
Speed
Hypersonic+
Durability
Multi-City Block Level

The Arctic Giant · DC · Base

Tier
8-A
Attack Potency
Multi-City Block Level
Speed
Peak Human, up to Superhuman
Durability
Multi-City Block Level

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