Royal Caribbean
Quantum of the Seas
- Cruises
- 27
- From
- $357
Ship comparison
Quantum of the Seas vs Star Princess
Princess Cruises
Star Princess
- Cruises
- 59
- From
- $369
The verdict
Which should you choose?
Quantum of the Seas is a mega Royal Caribbean ship carrying 4,152 passengers, in service since 2014. Star Princess is a mega Princess Cruises ship carrying 4,320 passengers, in service since 2025.
Choose Quantum of the Seas if you want more of a party or a more family-friendly ship: it outscores Star Princess for party (7.0 vs 5.0) and family friendly (8.0 vs 7.0) in Cruiseable’s Bliss scores.
Choose Star Princess if you want a more romantic trip, a newer ship or better-rated dining: it outscores Quantum of the Seas for romantic (8.0 vs 6.0) and dining (8.0 vs 7.0) in Cruiseable’s Bliss scores and its maiden voyage was in 2025 (vs 2014).
Side by side
Specifications
marks the better figure where more, or less, is plainly better.
| Quantum of the Seas | Star Princess | |
|---|---|---|
| Cruise line | Royal Caribbean | Princess Cruises |
| Ship size | Mega | Mega |
| Maiden voyagenewer highlighted | 2014 | 2025 (better) |
| Last refurbishedmore recent highlighted | 2019 | — |
| Gross tonnage | 167,800 | 175,500 |
| Passengers | 4,152 | 4,320 |
| Crew | 1,500 | 1,550 |
| Passengers per crew memberfewer is better | 2.8 | 2.8 |
| Space per passengergross tons per passenger; more is roomier | 40.4 | 40.6 (better) |
| Decks | 18 | 21 |
| Length | 1,141 ft | 1,132 ft |
| Beam | 135 ft | 150 ft |
| Speed | 25 mph | 25 mph |
| Cruiseable ratingout of 10 | 9 / 10 (better) | 8 / 10 |
| Cruises on sale | 27 | 59 |
| Upcoming sailings | 84 | 162 |
| Cruise lengths | 3 to 23 nights | 4 to 23 nights |
| Fares fromlower highlighted | $357 (better) | $369 |
Bliss scores
How they rate, out of 10
Cruiseable rates ships out of 10 on ten parts of a cruise holiday. Quantum of the Seas leads on 2 of the ten, Star Princess on 4, with 4 level.
- Active
- Adventure & nature
- Cultural
- Dining
- Entertainment
- Family friendly
- Party
- Romantic
- Spa & fitness
- Staterooms
Royal Caribbean
Quantum of the Seas
Quantum of the Seas is the first ship of the Quantum class from Royal Caribbean. Dubbed the first “smartship,” Quantum of the Seas boasts some nice firsts at sea, including robotic bartenders, a skydiving simulator, bumper cars and high-speed Internet that really is high speed.
Highlights
- Two70, the aft entertainment area, offers amazing views by day and incredible entertainment at night with the signature show “Starwater.”
- The Music Hall offers a true rock concert venue with specialty cocktails and was our go-to spot for late night fun!
- iFLY by Ripcord and the North Star are two high flying attractions that you just have to experience.
- There are close to 3,000 pieces of art throughout the ship, including the relaxed and luxurious Via area.
Sailing now
27 cruises on sale, from $357.
About Quantum of the Seas Plan my cruise on Quantum of the Seas
Princess Cruises
Star Princess
Star Princess, the second Sphere Class ship from Princess Cruises, is built for travelers who want a modern mega-ship experience without losing the classic Princess mood.
Sailing now
59 cruises on sale, from $369.
Questions
Quantum of the Seas or Star Princess?
Which is bigger, Quantum of the Seas or Star Princess?
Star Princess is bigger at 175,500 gross tons, against 167,800 gross tons for Quantum of the Seas. Quantum of the Seas carries 4,152 passengers and Star Princess carries 4,320.
Which ship is newer, Quantum of the Seas or Star Princess?
Star Princess is newer, with a maiden voyage in 2025 against 2014 for Quantum of the Seas.
Which has more space per passenger?
Star Princess, with 40.6 gross tons per passenger against 40.4 on Quantum of the Seas. The higher the figure, the more ship there is for each guest.
Which has more crew per passenger?
They are level, with one crew member for every 2.8 passengers.
Which is better for families?
Quantum of the Seas scores higher for family friendliness in Cruiseable’s Bliss scores: 8.0 out of 10, against 7.0 for Star Princess.
Still deciding?
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