Look here for Gun/Damage comparison if needed:
http://steamcommunity.com/sharedfiles/filedetails/?id=642807736
Cerberus (CE and red), Renommee (RE and brown), Surprise (SU and pink), Belle Poule (BP and purple), Frigate (FR and green), Pirate Frigate (PF and black), Trincomalee (TR and blue), Constitution (CO and blue).
http://images.akamai.steamusercontent.com/ugc/318999824710746574/DB2CC738E065BE31F47E2EA35EFFDF087AD077A4/
3rd Rate (3R and orange), Bellona (BE and blue), Pavel (PA and red), Victory (VI and green), Santissima Trinidad (ST and purple).
http://images.akamai.steamusercontent.com/ugc/318999824710746808/852120C1B43684B784BC44E9F0217E704C806B7E/