The number of main chutes is different, Apollo three, Crew Dragon four.
Both capsules used drogue and main chutes.
Apollo had two drogue chutes with single stage reefing.
Apollo used a two stage reefing system for the main chutes.
The main chutes of Apollo were pulled out by small pilot chutes.
Both the drogue and the pilot chutes of Apollo were ejected from mortars.
Any other similarities and differences?