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)
AIDACosma
Britannia
Gross Tonnage
AIDACosma
183,858 GT
Britannia
143,730 GT
Length
AIDACosma
337 m
Britannia
330 m
Beam
AIDACosma
42 m
Britannia
38 m
Passengers
AIDACosma
5,200
Britannia
3,647
Crew
AIDACosma
1,550
Britannia
1,398
Decks
AIDACosma
—
Britannia
—
Year Built
AIDACosma
2,022
Britannia
2,015
Space Ratio
AIDACosma
35.4 GT/pax
Britannia
39.4 GT/pax
Passenger:Crew Ratio
AIDACosma
3.35 :1
Britannia
2.61 :1
| Specification | AIDACosma | Britannia |
|---|---|---|
| Overview | ||
| Cruise Line | AIDA Cruises | P&O Cruises |
| Class | Helios Class | Britannia Class |
| Status | active | active |
| Year Built | 2,022Winner | 2,015 |
| Dimensions | ||
| Gross Tonnage | 183,858 GTWinner | 143,730 GT |
| Length | 337 mWinner | 330 m |
| Beam | 42 mWinner | |
| Capacity | ||
| Passengers | 5,200Winner | 3,647 |
| Crew | 1,550Winner | 1,398 |
| Key Ratios | ||
| Space Ratio | 35.4 GT/pax | 39.4 GT/paxWinner |
| Passenger:Crew Ratio | 3.35:1 | 2.61:1Winner |
| Build | ||
| Builder | Meyer Werft | Fincantieri |
| Flag | Italy | United Kingdom |
| IMO Number | 9781865 | 9614157 |
AIDACosma is the significantly larger vessel at 183,858 GT — 28% more than Britannia's 143,730 GT. Britannia offers more personal space with a space ratio of 39.4 GT per passenger versus 35.4. Built in 2022, AIDACosma is 7 years newer — an advantage for travellers seeking modern amenities and design.
| Category | Winner |
|---|---|
| Size | AIDACosma |
| Capacity | AIDACosma |
| Modernity | AIDACosma |
| Service | Britannia |
| Spaciousness | Britannia |
Bottom line: AIDACosma wins more categories (3 vs 2), making it the stronger all-round choice based on current data.
AIDACosma
Large 5,200-guest capacity offers competitive pricing
5,200 passengers means tons of activities
Built in 2022 with modern facilities — great for a first cruise
Comfortable atmosphere for two
Britannia
Large 3,647-guest capacity offers competitive pricing
Well-suited for cruise newcomers
3,647 passengers means tons of activities
Comfortable atmosphere for two
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
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38 m |
| Draft | 8.6 mWinner | 8.5 m |
| Decks | — | — |
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