Spots going fast$676/person$225/night
View Deal →Quantum of the Seas vs Queen Mary 2
Side-by-side cruise ship comparison · Updated April 2026
Quantum of the Seas is the larger vessel at 168,666 GT, 14% more than Queen Mary 2's 148,528 GT. Queen Mary 2 offers more personal space with a space ratio of 55.2 GT per passenger versus 40.4. Built in 2014, Quantum of the Seas is 10 years newer, an advantage for travellers seeking modern amenities and design.
Score: 5 – 2
Quick Compare
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Category
Quantum of the Seas
Queen Mary 2
Size
168,666 GT
148,528 GT
Passengers
4,180
2,691
Year Built
2014
2004
Crew Ratio
1:2.8
1:2.1
Space Ratio
40.4
55.2
Decks
—
—
Length
348m
345m
From Price
$361.02/pp
$739/pp
Comparison Verdict
Quantum of the Seas is the larger vessel at 168,666 GT, 14% more than Queen Mary 2's 148,528 GT. Queen Mary 2 offers more personal space with a space ratio of 55.2 GT per passenger versus 40.4. Built in 2014, Quantum of the Seas is 10 years newer, an advantage for travellers seeking modern amenities and design.
| Category | Winner |
|---|---|
| Size | Quantum of the Seas |
| Capacity | Quantum of the Seas |
| Modernity | Quantum of the Seas |
| Service | Queen Mary 2 |
| Spaciousness | Queen Mary 2 |
| Decks | Tie |
| Length | Quantum of the Seas |
| Fleet Power | Quantum of the Seas |
Bottom line: Quantum of the Seas leads 5–2 across our categories, strongest in Size. Choose Quantum of the Seas for overall superiority; pick Queen Mary 2 if its strengths matter more to you.
Which Ship Is Right for You?
Choose Quantum of the Seas if...
- You want the newer ship (built 2014, 10yr newer)
- Size matters to you (168,666 GT)
- More onboard variety (4,180 guests)
- Save $377.98/person on sailings
Choose Queen Mary 2 if...
- Better service ratio (2.1:1 crew ratio)
- More space per guest (55.2 GT/pax)
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Deep Dive
Upcoming Sailings
Upcoming Sailings on Quantum of the Seas
Spots going fast
Spots going fast$361/person$120/night
View Deal →
Leaves in 8 days$458/person$92/night
View Deal →Upcoming Sailings on Queen Mary 2
Spots going fast$1,629/person$116/night
View Deal →Spots going fast$739/person$106/night
View Deal →Leaves in 10 days$6,469/person$209/night
View Deal →Hotels & Accommodations Near Miami Cruise Port
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Frequently Asked Questions
How is the comparison score calculated?
We compute scores across 8 categories using real spec data: gross tonnage, passenger capacity, crew capacity, year built, length, deck count, space ratio, and fleet power. Each category awards one point to the winning ship.
What is the space ratio and why does it matter?
Space ratio is gross tonnage divided by passenger capacity. A higher number means more space per guest. Luxury lines typically score above 40; mass-market ships often fall in the 30-40 range.
What does the passenger-to-crew ratio mean?
Passengers per crew member. Lower is better, more staff per guest means better service. Luxury lines aim below 2:1; large mainstream ships may be 3-4:1.
Are the prices shown accurate?
Prices are sourced from Cruisebound and reflect real-time availability. They may change based on cabin type, date, and demand. Click through to see the latest fares.
Can I compare more than two ships?
Yes, up to four ships. Use the search tool on the compare hub page to add additional ships.
How current is the ship data?
Specifications come from our database of 380+ vessels, revalidated every 5 minutes via ISR. The "Updated" timestamp shows when records were last modified.
