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Ship comparison

Quantum of the Seas vs Sun Princess

The verdict

Which should you choose?

Quantum of the Seas is a mega Royal Caribbean ship carrying 4,152 passengers, in service since 2014. Sun Princess is a mega Princess Cruises ship carrying 4,320 passengers, in service since 2024.

Choose Quantum of the Seas if you want more of a party or a more family-friendly ship: it outscores Sun Princess for party (7.0 vs 5.0) and family friendly (8.0 vs 7.0) in Cruiseable’s Bliss scores.

Choose Sun 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 2024 (vs 2014).

Side by side

Specifications

marks the better figure where more, or less, is plainly better.

Quantum of the SeasSun Princess
Cruise line Royal Caribbean Princess Cruises
Ship size Mega Mega
Maiden voyagenewer highlighted 2014 2024 (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 154 ft
Speed 25 mph 25 mph
Cruiseable ratingout of 10 9 / 10 (better) 8 / 10
Cruises on sale 27 155
Upcoming sailings 84 288
Cruise lengths 3 to 23 nights 6 to 32 nights
Fares fromlower highlighted $357 (better) $399

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, Sun Princess on 4, with 4 level.

  • Active Quantum of the Seas: 7.0 Sun Princess: 7.0
  • Adventure & nature Quantum of the Seas: 4.0 Sun Princess: 5.0
  • Cultural Quantum of the Seas: 7.0 Sun Princess: 7.0
  • Dining Quantum of the Seas: 7.0 Sun Princess: 8.0
  • Entertainment Quantum of the Seas: 8.0 Sun Princess: 8.0
  • Family friendly Quantum of the Seas: 8.0 Sun Princess: 7.0
  • Party Quantum of the Seas: 7.0 Sun Princess: 5.0
  • Romantic Quantum of the Seas: 6.0 Sun Princess: 8.0
  • Spa & fitness Quantum of the Seas: 7.0 Sun Princess: 7.0
  • Staterooms Quantum of the Seas: 7.0 Sun Princess: 8.0

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.

Princess Cruises

Sun Princess

Sun Princess, the first Sphere class ship from Princess Cruises, debuted in early 2024 with a season of sailings in the Caribbean in the winter and in the Mediterranean in the summer.

Highlights

  • Rejuvenating Lotus Spa for ultimate relaxation
  • Private balconies on nearly all outside cabins for stunning views

Sailing now

155 cruises on sale, from $399.

Questions

Quantum of the Seas or Sun Princess?

Which is bigger, Quantum of the Seas or Sun Princess?

Sun 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 Sun Princess carries 4,320.

Which ship is newer, Quantum of the Seas or Sun Princess?

Sun Princess is newer, with a maiden voyage in 2024 against 2014 for Quantum of the Seas.

Which has more space per passenger?

Sun 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 Sun Princess.

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