Strategy Page summarizes the recent accidental release of US intelligence estimates about the People’s Liberation Army Navy (PLAN):
The strength of the Chinese fleet was listed as;
Submarines- 62 (53 diesel Attack Submarines, six nuclear Attack Submarines, three nuclear Ballistic Missile Submarines). The U.S. has 72 submarines, all nuclear (53 attack and 18 ballistic missile.)
Destroyers-26. The U.S. has 52.
Frigates-48. The U.S. has 32, including two of the new LCS vessels.
Amphibious Ships 58. The U.S. has 30, all much larger and equipped with flight decks and helicopters, plus landing craft.
Coastal Patrol (Missile)- at least 80. The U.S. had a few of these, but got rid of them. China uses these for coastal patrol and defense, a concept they inherited from the Russians.
In addition, the U.S. has eleven aircraft carriers (ten of them nuclear powered) and 22 cruisers.
Most of the Chinese ships are older (in design, if not in the age of the vessels) than their American counterparts. China is building new classes of ships, with more modern equipment and weapons.