Fenghuang vs Clayface (Basil Karlo) (Post-Crisis): who would win?

Too close to call

Fenghuang · Kung Fu Panda · Base

Tier
8-C, up to HIGH 8-C
Attack Potency
Building Level, up to Large Building Level
Speed
Supersonic+
Durability
Building Level, up to Large Building Level

Clayface (Basil Karlo) (Post-Crisis) · DC · Base

Tier
8-C, up to 5-A
Attack Potency
Building Level, up to Large Planet Level
Speed
Supersonic+, up to Hypersonic+
Durability
Building Level, up to Large Planet Level

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