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)
Odyssey of the Seas
Spectrum of the Seas
Gross Tonnage
Odyssey of the Seas
169,379 GT
Spectrum of the Seas
169,379 GT
Length
Odyssey of the Seas
347 m
Spectrum of the Seas
347 m
Beam
Odyssey of the Seas
41 m
Spectrum of the Seas
41 m
Passengers
Odyssey of the Seas
4,198
Spectrum of the Seas
4,246
Crew
Odyssey of the Seas
1,551
Spectrum of the Seas
1,551
Decks
Odyssey of the Seas
—
Spectrum of the Seas
—
Year Built
Odyssey of the Seas
2,021
Spectrum of the Seas
2,019
Space Ratio
Odyssey of the Seas
40.4 GT/pax
Spectrum of the Seas
39.9 GT/pax
Passenger:Crew Ratio
Odyssey of the Seas
2.71 :1
Spectrum of the Seas
2.74 :1
| Specification | Odyssey of the Seas | Spectrum of the Seas |
|---|---|---|
| Overview | ||
| Cruise Line | Royal Caribbean International | Royal Caribbean International |
| Class | Quantum Ultra Class | Quantum Ultra Class |
| Status | active | active |
| Year Built | 2,021Winner | 2,019 |
| Dimensions | ||
| Gross Tonnage | 169,379 GT | 169,379 GT |
| Length | 347 m | 347 m |
| Beam | 41 m | 41 m |
| Draft | 8.8 m | 8.9 mWinner |
| Decks | — | |
| Capacity | ||
| Passengers | 4,198 | 4,246Winner |
| Crew | 1,551 | 1,551 |
| Key Ratios | ||
| Space Ratio | 40.4 GT/paxWinner | 39.9 GT/pax |
| Passenger:Crew Ratio | 2.71:1Winner | 2.74:1 |
| Build | ||
| Builder | Meyer Werft | Meyer Werft |
| Flag | Bahamas | Bahamas |
| IMO Number | 9795737 | 9778856 |
Odyssey of the Seas
Built in 2021 with modern facilities — great for a first cruise
4,198 passengers means tons of activities
Large 4,198-guest capacity offers competitive pricing
40 GT/pax means plenty of quiet space
Spectrum of the Seas
Built in 2019 with modern facilities — great for a first cruise
Large 4,246-guest capacity offers competitive pricing
4,246 passengers means tons of activities
Comfortable atmosphere for two
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
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