• Benzene has the formula of C6H6 whereas cyclohexane has the formula of C6H12.
Benzene is an aromatic compound but cyclohexane is not aromatic.
Benzene is an unsaturated molecule, but cyclohexane is saturated.
Carbon atoms in the benzene ring have sp2 hybridization where carbon atoms in the cyclohexane have sp3 hybridization.
Benzene has a planar structure whereas cyclohexane has chair conformations.