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)
Allure of the Seas
Odyssey of the Seas
Gross Tonnage
Allure of the Seas
225,282 GT
Odyssey of the Seas
169,379 GT
Length
Allure of the Seas
362 m
Odyssey of the Seas
347 m
Beam
Allure of the Seas
60 m
Odyssey of the Seas
41 m
Passengers
Allure of the Seas
6,780
Odyssey of the Seas
4,198
Crew
Allure of the Seas
2,100
Odyssey of the Seas
1,551
Decks
Allure of the Seas
—
Odyssey of the Seas
—
Year Built
Allure of the Seas
2,010
Odyssey of the Seas
2,021
Space Ratio
Allure of the Seas
33.2 GT/pax
Odyssey of the Seas
40.4 GT/pax
Passenger:Crew Ratio
Allure of the Seas
3.23 :1
Odyssey of the Seas
2.71 :1
| Specification | Allure of the Seas | Odyssey of the Seas |
|---|---|---|
| Overview | ||
| Cruise Line | Royal Caribbean International | Royal Caribbean International |
| Class | Oasis Class | Quantum Ultra Class |
| Status | active | active |
| Year Built | 2,010 | 2,021Winner |
| Dimensions | ||
| Gross Tonnage | 225,282 GTWinner | 169,379 GT |
| Length | 362 mWinner | 347 m |
| Beam | 60 mWinner | |
| Capacity | ||
| Passengers | 6,780Winner | 4,198 |
| Crew | 2,100Winner | 1,551 |
| Key Ratios | ||
| Space Ratio | 33.2 GT/pax | 40.4 GT/paxWinner |
| Passenger:Crew Ratio | 3.23:1 | 2.71:1Winner |
| Build | ||
| Builder | STX Finland | Meyer Werft |
| Flag | Bahamas | Bahamas |
| IMO Number | 9383948 | 9795737 |
Allure of the Seas is the significantly larger vessel at 225,282 GT — 33% more than Odyssey of the Seas's 169,379 GT. Odyssey of the Seas offers more personal space with a space ratio of 40.4 GT per passenger versus 33.2. Built in 2021, Odyssey of the Seas is 11 years newer — an advantage for travellers seeking modern amenities and design.
| Category | Winner |
|---|---|
| Size | Allure of the Seas |
| Capacity | Allure of the Seas |
| Modernity | Odyssey of the Seas |
| Service | Odyssey of the Seas |
| Spaciousness | Odyssey of the Seas |
Bottom line: Odyssey of the Seas wins more categories (3 vs 2), making it the stronger all-round choice based on current data.
Allure of the Seas
Large 6,780-guest capacity offers competitive pricing
6,780 passengers means tons of activities
Well-suited for cruise newcomers
Comfortable atmosphere for two
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
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
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41 m |
| Draft | 9.3 mWinner | 8.8 m |
| Decks | — | — |
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