Metallix the Metal Sonic vs Rilu-elu Belu-be: who would win?

Too close to call

Metallix the Metal Sonic · Sonic · Mark I

Tier: LOW 5-B
Attack Potency: Small Planet Level
Speed: Sub-Relativistic+, up to Speed Of Light
Durability: Small Planet Level

Rilu-elu Belu-be · Godzilla · Vulture

Tier: LOW 5-B, up to 5-B
Attack Potency: Small Planet Level, up to Planet Level
Speed: Relativistic+
Durability: Small Planet Level, up to Planet Level

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