Side-by-side cruise ship comparison · Updated January 2026
.jpg%26w%3D400&w=3840&q=75)
.jpg%26w%3D400&w=3840&q=75)
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)
Silver Moon
Viking Octantis
Gross Tonnage
Silver Moon
40,700 GT
Viking Octantis
30,000 GT
Length
Silver Moon
213 m
Viking Octantis
205 m
Beam
Silver Moon
27 m
Viking Octantis
23 m
Passengers
Silver Moon
596
Viking Octantis
378
Crew
Silver Moon
411
Viking Octantis
256
Decks
Silver Moon
—
Viking Octantis
—
Year Built
Silver Moon
2,020
Viking Octantis
2,022
Space Ratio
Silver Moon
68.3 GT/pax
Viking Octantis
79.4 GT/pax
Passenger:Crew Ratio
Silver Moon
1.45 :1
Viking Octantis
1.48 :1
| Specification | Silver Moon | Viking Octantis |
|---|---|---|
| Overview | ||
| Cruise Line | Silversea Cruises | Viking Expeditions |
| Class | Muse Class | Viking Expedition |
| Status | active | active |
| Year Built | 2,020 | 2,022Winner |
| Dimensions | ||
| Gross Tonnage | 40,700 GTWinner | 30,000 GT |
| Length | 213 mWinner | 205 m |
| Beam | 27 mWinner | |
| Capacity | ||
| Passengers | 596Winner | 378 |
| Crew | 411Winner | 256 |
| Key Ratios | ||
| Space Ratio | 68.3 GT/pax | 79.4 GT/paxWinner |
| Passenger:Crew Ratio | 1.45:1Winner | 1.48:1 |
| Build | ||
| Builder | Fincantieri | VARD |
| Flag | Bahamas | Norway |
| IMO Number | 9784350 | 9867880 |
Silver Moon
68 GT/pax means plenty of quiet space
1.4:1 passenger-crew ratio means exceptional service
Built in 2020 with modern facilities — great for a first cruise
Good range of onboard options
Viking Octantis
79 GT/pax means plenty of quiet space
1.5:1 passenger-crew ratio means exceptional service
Built in 2022 with modern facilities — great for a first cruise
Good range of onboard options
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
We may earn a commission from partner bookings at no extra cost to you.
23 m |
| Draft | 6.5 m | — |
| Decks | — | — |
.jpg%26w%3D400&w=3840&q=75)
_at_Dubrovnik.jpg%26w%3D400&w=3840&q=75)
.jpg%26w%3D400&w=3840&q=75)
.jpg%26w%3D400&w=3840&q=75)