Gowther (Demon) vs Gorgom: who would win?

Too close to call

Gowther (Demon) · Nanatsu no Taizai · Base

Tier: 4-B
Attack Potency: Solar System Level
Speed: Relativistic
Durability: Unknown

Gorgom · Kamen Rider · Creation King

Tier: 4-B
Attack Potency: Solar System Level
Speed: Unknown
Durability: Unknown

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