Kamen Rider X vs Sonic the Hedgehog (Archie Post-Genesis Wave): who would win?

Sonic the Hedgehog (Archie Post-Genesis Wave) favored — Favored (~65%)

Kamen Rider X · Kamen Rider · Skyrider, Super-1 & ZX

Tier

1-C

Attack Potency

Complex Multiverse Level

Speed

High Hypersonic, up to Ftl+

Durability

Multi-City Block Level, up to Complex Multiverse Level

Sonic the Hedgehog (Archie Post-Genesis Wave) · Sonic · Super Sonic

Tier

1-C

Attack Potency

Complex Multiverse Level

Speed

Immeasurable

Durability

Multi-Continent Level, up to Complex Multiverse Level

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