Malachite vs Raiden (Metal Gear): who would win?

Malachite favored — Slight edge (~55%)

Malachite · Steven Universe · Base

Tier

HIGH 7-C, up to HIGH 6-A

Attack Potency

Large Town Level, up to Multi-Continent Level

Speed

Relativistic, up to Massively Ftl+

Durability

Large Town Level

Raiden (Metal Gear) · Metal Gear · Metal Gear Rising: Revengeance (MGR)

Tier

HIGH 7-C, up to 7-B

Attack Potency

Large Town Level, up to City Level

Speed

Supersonic, up to Massively Ftl

Durability

Small City Level

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