Side-by-side cruise ship comparison · Updated February 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)
Carnival Adventure
Diamond Princess
Gross Tonnage
Carnival Adventure
109,000 GT
Diamond Princess
115,875 GT
Length
Carnival Adventure
290 m
Diamond Princess
290 m
Beam
Carnival Adventure
36 m
Diamond Princess
38 m
Passengers
Carnival Adventure
2,636
Diamond Princess
2,670
Crew
Carnival Adventure
1,100
Diamond Princess
1,100
Decks
Carnival Adventure
18
Diamond Princess
—
Year Built
Carnival Adventure
2,001
Diamond Princess
2,004
Space Ratio
Carnival Adventure
41.4 GT/pax
Diamond Princess
43.4 GT/pax
Passenger:Crew Ratio
Carnival Adventure
2.40 :1
Diamond Princess
2.43 :1
| Specification | Carnival Adventure | Diamond Princess |
|---|---|---|
| Overview | ||
| Cruise Line | Carnival Cruise Line | Princess Cruises |
| Class | Grand Class | Grand Class |
| Status | active | active |
| Year Built | 2,001 | 2,004Winner |
| Dimensions | ||
| Gross Tonnage | 109,000 GT | 115,875 GTWinner |
| Length | 290 m | 290 m |
| Beam | 36 m | 38 mWinner |
| Draft | ||
| Capacity | ||
| Passengers | 2,636 | 2,670Winner |
| Crew | 1,100 | 1,100 |
| Key Ratios | ||
| Space Ratio | 41.4 GT/pax | 43.4 GT/paxWinner |
| Passenger:Crew Ratio | 2.40:1Winner | 2.43:1 |
| Build | ||
| Builder | Fincantieri | MHI Nagasaki |
| Flag | Bahamas | Bermuda |
| IMO Number | 9192351 | 9228186 |
Diamond Princess is the larger vessel at 115,875 GT — 6% more than Carnival Adventure's 109,000 GT. Built in 2004, Diamond Princess is 3 years newer — an advantage for travellers seeking modern amenities and design.
| Category | Winner |
|---|---|
| Size | Diamond Princess |
| Capacity | Diamond Princess |
| Modernity | Diamond Princess |
| Service | Carnival Adventure |
| Spaciousness | Diamond Princess |
Bottom line: Diamond Princess wins more categories (4 vs 1), making it the stronger all-round choice based on current data.
Carnival Adventure
Well-suited for cruise newcomers
Good range of onboard options
41 GT/pax means plenty of quiet space
Good value for money
Diamond Princess
Well-suited for cruise newcomers
43 GT/pax means plenty of quiet space
Good value for money
Good range of onboard options
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
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8.6 m |
9.5 mWinner |
| Decks | 18 | — |
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