Side-by-side cruise ship comparison · Updated January 2026
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across 5 categories
Size
Based on gross tonnage and length
Capacity
Based on passengers and crew
Modernity
Based on year built
Service
Based on passenger-to-crew ratio (lower is better)
Spaciousness
Based on gross tonnage per passenger (higher is better)
Discovery Princess
Royal Princess
Gross Tonnage
Discovery Princess
145,000 GT
Royal Princess
142,714 GT
Length
Discovery Princess
330 m
Royal Princess
330 m
Beam
Discovery Princess
38 m
Royal Princess
38 m
Passengers
Discovery Princess
3,660
Royal Princess
3,560
Crew
Discovery Princess
1,346
Royal Princess
1,346
Decks
Discovery Princess
—
Royal Princess
—
Year Built
Discovery Princess
2,022
Royal Princess
2,013
Space Ratio
Discovery Princess
39.6 GT/pax
Royal Princess
40.1 GT/pax
Passenger:Crew Ratio
Discovery Princess
2.72 :1
Royal Princess
2.64 :1
| Specification | Discovery Princess | Royal Princess |
|---|---|---|
| Overview | ||
| Cruise Line | Princess Cruises | Princess Cruises |
| Class | Royal Class | Royal Class |
| Status | active | active |
| Year Built | 2,022Winner | 2,013 |
| Dimensions | ||
| Gross Tonnage | 145,000 GTWinner | 142,714 GT |
| Length | 330 m | 330 m |
| Beam | 38 m | 38 m |
| Draft | 8.7 mWinner | |
| Capacity | ||
| Passengers | 3,660Winner | 3,560 |
| Crew | 1,346 | 1,346 |
| Key Ratios | ||
| Space Ratio | 39.6 GT/pax | 40.1 GT/paxWinner |
| Passenger:Crew Ratio | 2.72:1 | 2.64:1Winner |
| Build | ||
| Builder | Fincantieri | Fincantieri |
| Flag | Bermuda | Bermuda |
| IMO Number | 9837468 | 9584712 |
Discovery Princess
Built in 2022 with modern facilities — great for a first cruise
Large 3,660-guest capacity offers competitive pricing
3,660 passengers means tons of activities
Comfortable atmosphere for two
Royal Princess
Well-suited for cruise newcomers
Large 3,560-guest capacity offers competitive pricing
3,560 passengers means tons of activities
40 GT/pax means plenty of quiet space
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
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8.6 m |
| Decks | — | — |
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