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)
Star Princess
Sun Princess
Gross Tonnage
Star Princess
175,500 GT
Sun Princess
175,500 GT
Length
Star Princess
345 m
Sun Princess
345 m
Beam
Star Princess
47 m
Sun Princess
47 m
Passengers
Star Princess
4,300
Sun Princess
4,300
Crew
Star Princess
1,500
Sun Princess
1,500
Decks
Star Princess
—
Sun Princess
—
Year Built
Star Princess
2,025
Sun Princess
2,024
Space Ratio
Star Princess
40.8 GT/pax
Sun Princess
40.8 GT/pax
Passenger:Crew Ratio
Star Princess
2.87 :1
Sun Princess
2.87 :1
| Specification | Star Princess | Sun Princess |
|---|---|---|
| Overview | ||
| Cruise Line | Princess Cruises | Princess Cruises |
| Class | Sphere Class | Sphere Class |
| Status | active | active |
| Year Built | 2,025Winner | 2,024 |
| Dimensions | ||
| Gross Tonnage | 175,500 GT | 175,500 GT |
| Length | 345 m | 345 m |
| Beam | 47 m | 47 m |
| Draft | — | 8.6 m |
| Decks | — | — |
| Capacity | ||
| Passengers | 4,300 | 4,300 |
| Crew | 1,500 | 1,500 |
| Key Ratios | ||
| Space Ratio | 40.8 GT/pax | 40.8 GT/pax |
| Passenger:Crew Ratio | 2.87:1 | 2.87:1 |
| Build | ||
| Builder | Fincantieri | Fincantieri |
| Flag | Bermuda | Bermuda |
| IMO Number | 9871633 | 9863118 |
Star Princess
Built in 2025 with modern facilities — great for a first cruise
4,300 passengers means tons of activities
Large 4,300-guest capacity offers competitive pricing
41 GT/pax means plenty of quiet space
Sun Princess
Built in 2024 with modern facilities — great for a first cruise
4,300 passengers means tons of activities
Large 4,300-guest capacity offers competitive pricing
41 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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