Explode-O-Nut vs Carnivorous Plant: who would win?

Explode-O-Nut favored — Slight edge (~55%)

Explode-O-Nut · Plants vs. Zombies · PvZ1

Tier

10-C, up to 8-B

Attack Potency

Below Average Human Level, up to City Block Level

Speed

Immobile, up to Hypersonic+

Durability

City Block Level

Carnivorous Plant · Godzilla · Base

Tier

10-C

Attack Potency

Below Average Human Level

Speed

Immobile, up to Superhuman

Durability

Average Human

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