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
Wonder of the Seas
Gross Tonnage
Harmony of the Seas
226,963 GT
Wonder of the Seas
236,857 GT
Length
Harmony of the Seas
362 m
Wonder of the Seas
362 m
Beam
Harmony of the Seas
66 m
Wonder of the Seas
64 m
Passengers
Harmony of the Seas
6,687
Wonder of the Seas
6,988
Crew
Harmony of the Seas
2,100
Wonder of the Seas
2,300
Decks
Harmony of the Seas
—
Wonder of the Seas
18
Year Built
Harmony of the Seas
2,016
Wonder of the Seas
2,022
Space Ratio
Harmony of the Seas
33.9 GT/pax
Wonder of the Seas
33.9 GT/pax
Passenger:Crew Ratio
Harmony of the Seas
3.18 :1
Wonder of the Seas
3.04 :1
| Specification | Harmony of the Seas | Wonder of the Seas |
|---|---|---|
| Overview | ||
| Cruise Line | Royal Caribbean International | Royal Caribbean International |
| Class | Oasis Class | Oasis Class |
| Status | active | active |
| Year Built | 2,016 | 2,022Winner |
| Dimensions | ||
| Gross Tonnage | 226,963 GT | 236,857 GTWinner |
| Length | 362 m | 362 m |
| Beam | 66 mWinner | 64 m |
| Draft | ||
| Capacity | ||
| Passengers | 6,687 | 6,988Winner |
| Crew | 2,100 | 2,300Winner |
| Key Ratios | ||
| Space Ratio | 33.9 GT/paxWinner | 33.9 GT/pax |
| Passenger:Crew Ratio | 3.18:1 | 3.04:1Winner |
| Build | ||
| Builder | STX France | Chantiers de l'Atlantique |
| Flag | Bahamas | Bahamas |
| IMO Number | 9682875 | 9838345 |
Built in 2022, Wonder of the Seas is 6 years newer — an advantage for travellers seeking modern amenities and design. Wonder of the Seas edges ahead in service with a passenger-to-crew ratio of 3.0:1, meaning more crew per guest.
| Category | Winner |
|---|---|
| Size | Wonder of the Seas |
| Capacity | Wonder of the Seas |
| Modernity | Wonder of the Seas |
| Service | Wonder of the Seas |
| Spaciousness | Harmony of the Seas |
Bottom line: Wonder 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
Wonder of the Seas
6,988 passengers means tons of activities
Large 6,988-guest capacity offers competitive pricing
Built in 2022 with modern facilities — great for a first cruise
Comfortable atmosphere for two
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
We may earn a commission from partner bookings at no extra cost to you.
9.3 m |
9.3 m |
| Decks | — | 18 |
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