Side-by-side cruise ship comparison · Updated January 2026
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)
Oasis of the Seas
Quantum of the Seas
Gross Tonnage
Oasis of the Seas
225,282 GT
Quantum of the Seas
168,666 GT
Length
Oasis of the Seas
362 m
Quantum of the Seas
348 m
Beam
Oasis of the Seas
60 m
Quantum of the Seas
41 m
Passengers
Oasis of the Seas
6,780
Quantum of the Seas
4,180
Crew
Oasis of the Seas
2,165
Quantum of the Seas
1,500
Decks
Oasis of the Seas
—
Quantum of the Seas
—
Year Built
Oasis of the Seas
2,009
Quantum of the Seas
2,014
Space Ratio
Oasis of the Seas
33.2 GT/pax
Quantum of the Seas
40.4 GT/pax
Passenger:Crew Ratio
Oasis of the Seas
3.13 :1
Quantum of the Seas
2.79 :1
| Specification | Oasis of the Seas | Quantum of the Seas |
|---|---|---|
| Overview | ||
| Cruise Line | Royal Caribbean International | Royal Caribbean International |
| Class | Oasis Class | Quantum Class |
| Status | active | active |
| Year Built | 2,009 | 2,014Winner |
| Dimensions | ||
| Gross Tonnage | 225,282 GTWinner | 168,666 GT |
| Length | 362 mWinner | 348 m |
| Beam | 60 mWinner | |
| Capacity | ||
| Passengers | 6,780Winner | 4,180 |
| Crew | 2,165Winner | 1,500 |
| Key Ratios | ||
| Space Ratio | 33.2 GT/pax | 40.4 GT/paxWinner |
| Passenger:Crew Ratio | 3.13:1 | 2.79:1Winner |
| Build | ||
| Builder | STX Finland | Meyer Werft |
| Flag | Bahamas | Bahamas |
| IMO Number | 9383936 | 9656084 |
Oasis of the Seas is the significantly larger vessel at 225,282 GT — 34% more than Quantum of the Seas's 168,666 GT. Quantum of the Seas offers more personal space with a space ratio of 40.4 GT per passenger versus 33.2. Built in 2014, Quantum of the Seas is 5 years newer — an advantage for travellers seeking modern amenities and design.
| Category | Winner |
|---|---|
| Size | Oasis of the Seas |
| Capacity | Oasis of the Seas |
| Modernity | Quantum of the Seas |
| Service | Quantum of the Seas |
| Spaciousness | Quantum of the Seas |
Bottom line: Quantum of the Seas wins more categories (3 vs 2), making it the stronger all-round choice based on current data.
Oasis 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
Quantum of the Seas
4,180 passengers means tons of activities
Well-suited for cruise newcomers
Large 4,180-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
We may earn a commission from partner bookings at no extra cost to you.
41 m |
| Draft | 9.3 mWinner | 8.8 m |
| Decks | — | — |
_in_Malaga.jpg%26w%3D400&w=3840&q=75)
_002.jpg%26w%3D400&w=3840&q=75)
.jpg%26w%3D400&w=3840&q=75)