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)
Harmony of the Seas
Utopia of the Seas
Gross Tonnage
Harmony of the Seas
226,963 GT
Utopia of the Seas
236,860 GT
Length
Harmony of the Seas
362 m
Utopia of the Seas
362 m
Beam
Harmony of the Seas
66 m
Utopia of the Seas
64 m
Passengers
Harmony of the Seas
6,687
Utopia of the Seas
5,668
Crew
Harmony of the Seas
2,100
Utopia of the Seas
2,290
Decks
Harmony of the Seas
—
Utopia of the Seas
—
Year Built
Harmony of the Seas
2,016
Utopia of the Seas
2,024
Space Ratio
Harmony of the Seas
33.9 GT/pax
Utopia of the Seas
41.8 GT/pax
Passenger:Crew Ratio
Harmony of the Seas
3.18 :1
Utopia of the Seas
2.48 :1
| Specification | Harmony of the Seas | Utopia of the Seas |
|---|---|---|
| Overview | ||
| Cruise Line | Royal Caribbean International | Royal Caribbean International |
| Class | Oasis Class | Oasis Class |
| Status | active | active |
| Year Built | 2,016 | 2,024Winner |
| Dimensions | ||
| Gross Tonnage | 226,963 GT | 236,860 GTWinner |
| Length | 362 m | 362 m |
| Beam | 66 mWinner | 64 m |
| Draft | ||
| Capacity | ||
| Passengers | 6,687Winner | 5,668 |
| Crew | 2,100 | 2,290Winner |
| Key Ratios | ||
| Space Ratio | 33.9 GT/pax | 41.8 GT/paxWinner |
| Passenger:Crew Ratio | 3.18:1 | 2.48:1Winner |
| Build | ||
| Builder | STX France | Chantiers de l'Atlantique |
| Flag | Bahamas | Bahamas |
| IMO Number | 9682875 | 9871621 |
Utopia of the Seas offers more personal space with a space ratio of 41.8 GT per passenger versus 33.9. Built in 2024, Utopia of the Seas is 8 years newer — an advantage for travellers seeking modern amenities and design. Utopia of the Seas edges ahead in service with a passenger-to-crew ratio of 2.5:1, meaning more crew per guest.
| Category | Winner |
|---|---|
| Size | Utopia of the Seas |
| Capacity | Harmony of the Seas |
| Modernity | Utopia of the Seas |
| Service | Utopia of the Seas |
| Spaciousness | Utopia of the Seas |
Bottom line: Utopia of the Seas wins more categories (4 vs 1), making it the stronger all-round choice based on current data.
Harmony of the Seas
Large 6,687-guest capacity offers competitive pricing
6,687 passengers means tons of activities
Built in 2016 with modern facilities — great for a first cruise
Comfortable atmosphere for two
Utopia of the Seas
5,668 passengers means tons of activities
Large 5,668-guest capacity offers competitive pricing
42 GT/pax means plenty of quiet space
Built in 2024 with modern facilities — great for a first cruise
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
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9.3 m |
9.3 m |
| Decks | — | — |
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