Tarre Vizsla vs Saw: who would win?

Tarre Vizsla favored — Slight edge (~55%)

Tarre Vizsla · Star Wars · Base

Tier
9-B, up to 7-B
Attack Potency
Small Building Level, up to City Level+
Speed
Subsonic, up to Relativistic
Durability
City Level+

Saw · Sakamoto Days · Base

Tier
9-B
Attack Potency
Wall Level+
Speed
Supersonic
Durability
Wall Level+

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