Cyborg (Post-Flashpoint) vs Nucleogenic Cloud Being: who would win?

Nucleogenic Cloud Being favored — Slight edge (~55%)

Cyborg (Post-Flashpoint) · DC · Base

Tier
4-B
Attack Potency
Solar System Level
Speed
Massively Hypersonic, up to Ftl
Durability
Solar System Level

Nucleogenic Cloud Being · Star Trek · Base

Tier
4-B
Attack Potency
Solar System Level
Speed
Relativistic
Durability
Solar System Level

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