Smaug (Movies) vs Mechagodzilla (Ready Player One Novel): who would win?

Too close to call

Smaug (Movies) · Lord of the Rings · Base

Tier

8-A, up to 7-C

Attack Potency

Multi-City Block Level, up to Town Level

Speed

Superhuman, up to Subsonic

Durability

Multi-City Block Level

Mechagodzilla (Ready Player One Novel) · Godzilla · Base

Tier

8-A

Attack Potency

Multi-City Block Level

Speed

Subsonic

Durability

Multi-City Block Level

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