Rip Tristan vs Gil-galad: who would win?

Too close to call

Rip Tristan · Undead Unluck · End of Autumn Arc - Ragnarök Arc

Tier
HIGH 7-A
Attack Potency
Large Mountain Level
Speed
High Hypersonic
Durability
Large Mountain Level

Gil-galad · Lord of the Rings · Base

Tier
HIGH 7-A, up to HIGH 3-A
Attack Potency
Large Mountain Level, up to High Universe Level
Speed
Supersonic+, up to Massively Ftl+
Durability
Large Mountain Level, up to High Universe Level

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