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)
Celebrity Constellation
Celebrity Summit
Gross Tonnage
Celebrity Constellation
91,000 GT
Celebrity Summit
91,000 GT
Length
Celebrity Constellation
294 m
Celebrity Summit
294 m
Beam
Celebrity Constellation
32 m
Celebrity Summit
32 m
Passengers
Celebrity Constellation
2,170
Celebrity Summit
2,158
Crew
Celebrity Constellation
999
Celebrity Summit
999
Decks
Celebrity Constellation
—
Celebrity Summit
—
Year Built
Celebrity Constellation
2,002
Celebrity Summit
2,001
Space Ratio
Celebrity Constellation
41.9 GT/pax
Celebrity Summit
42.2 GT/pax
Passenger:Crew Ratio
Celebrity Constellation
2.17 :1
Celebrity Summit
2.16 :1
| Specification | Celebrity Constellation | Celebrity Summit |
|---|---|---|
| Overview | ||
| Cruise Line | Celebrity Cruises | Celebrity Cruises |
| Class | Millennium Class | Millennium Class |
| Status | active | active |
| Year Built | 2,002Winner | 2,001 |
| Dimensions | ||
| Gross Tonnage | 91,000 GT | 91,000 GT |
| Length | 294 m | 294 m |
| Beam | 32 m | 32 m |
| Draft | 8.3 m | 8.3 m |
| Decks | — | — |
| Capacity | ||
| Passengers | 2,170Winner | 2,158 |
| Crew | 999 | 999 |
| Key Ratios | ||
| Space Ratio | 41.9 GT/pax | 42.2 GT/paxWinner |
| Passenger:Crew Ratio | 2.17:1 | 2.16:1Winner |
| Build | ||
| Builder | Chantiers de l'Atlantique | Chantiers de l'Atlantique |
| Flag | Malta | Malta |
| IMO Number | 9189421 | 9189419 |
Celebrity Constellation
Well-suited for cruise newcomers
42 GT/pax means plenty of quiet space
Good range of onboard options
Good value for money
Celebrity Summit
Well-suited for cruise newcomers
42 GT/pax means plenty of quiet space
Good range of onboard options
Good value for money
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
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