Costa DiademavsCosta Serena

Side-by-side creator consensus from cruise reviewers across YouTube.

70% Bacon Score™

Costa Diadema

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61% Bacon Score™

Costa Serena

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Creators' Pick

The Bacon Verdict

Costa Diadema wins this matchup

Earns a +9% higher BaconScore than Costa Serena. Based on 160 creator reviews.

Lead+9%BaconScore

The Bacon Story

Data-driven recap

Across 160 creator reviews, Costa Diadema holds a +9% BaconScore lead over Costa Serena — 70% versus 61%. Costa Diadema edges ahead on disembarkation and itinerary route, while Costa Serena leads on safety medical. Costa Serena sentiment is trending up in the latest reviews. Coverage spans 45 distinct cruise channels — read the full breakdown for each ship below.

Recommend

of 109 reviews

of cruise creators recommend Costa Diadema

109 videos25 channels0% warn againstDeveloping data

About our Bacon Score methodology

Winner

BaconScore+9%

Recommend

of 51 reviews

of cruise creators recommend Costa Serena

51 videos20 channels0% warn againstHigh data density

About our Bacon Score methodology

Getting crispierCreator enthusiasm has grown noticeably • Divided opinion

Side-by-side facts

The specs

Costa Diadema	Specification	Costa Serena
Costa Cruises	Cruise line	Costa Cruises
109 videos	Creator reviews	51 videos
25	Distinct creators	20

Costa Diadema

Cruise line: Costa Cruises
Creator reviews: 109 videos
Distinct creators: 25

Costa Serena

Cruise line: Costa Cruises
Creator reviews: 51 videos
Distinct creators: 20

Topic Scoreboard

How they really compare

Costa Diadema

Topic

Costa Serena

Where creators agree

Both rate Suites highly

Costa Diadema:
3½ Happy Bacon
7 mentions
SuitesBoth like it
Costa Serena:
3½ Happy Bacon
3 mentions
Costa Diadema:
3½ Happy Bacon
17 mentions
Balcony CabinsBoth like it
Costa Serena:
3½ Happy Bacon
6 mentions
Costa Diadema:
3½ Happy Bacon
12 mentions
Spa & FitnessBoth like it
Costa Serena:
3½ Happy Bacon
8 mentions

Where creators diverge

Biggest gap: disembarkation

Costa Diadema:
2½ Happy Bacon
6 mentions
disembarkation1.17 gap
Costa Serena:
3½ Sad Bacon
2 mentions
Costa Diadema:
Meh
5 mentions
safety medical0.46 gap
Costa Serena:
2½ Happy Bacon
5 mentions
Costa Diadema:
2 Happy Bacon
16 mentions
itinerary route0.38 gap
Costa Serena:
Meh
20 mentions

How to read the Trip Bacon Score

Happy Bacon — creators loved this aspect

Sad Bacon — creators took issue with this

Meh — no strong opinion either way

Scale: 0–5 strips in half-step increments. 0 = “meh”, 5 = “bacon bliss”. Aggregated from creator-review sentiment, weighted by channel expertise.

About our Bacon Score methodology

Standout creator quotes

Positive · Costa Diadema

“we're delighted to be able to welcome our guests on board again after more than five months without cruising”

— La Lido Loca · authority

Positive · Costa Serena

“the demand for cruising has surged after long periods of the shutdown many Travelers are now choosing cruises as their next adventure”

— Cruise News Today · authority

Critical · Costa Diadema

“I'm very disappointed I booked a cruise on the Elation November the 30th because I wanted to enjoy a Christmasy cruise”

— La Lido Loca · authority

Critical · Costa Serena

“hundreds of passengers refused to get off and disembark a cruise ship because of the changes that were made during the cruise”

— The Shiplife · authority

Drill Deeper

See the full creator breakdown

Each detail page has the full creator panel, topic heatmap, monthly trends, audience breakdown, and verbatim quotes — far more than fits in this comparison.

Costa CruisesCosta Diadema70% BaconScoreSee full ship breakdown

Costa CruisesCosta Serena61% BaconScoreSee full ship breakdown

Watch creators on each ship

Costa Diadema

12:33

Costa Diadema cruise ship tour

Cruise Passion · 193K views · 7 years ago

12:11

Kreuzfahrt mit AIDA oder Costa? Der Vergleich

Matthias Morr · 193K views · 3 years ago

Costa Serena

0:25

India's Grandest Diwali Celebration on the Largest and Most Luxurious Ship!

ClickMyCruise · 540K views · 2 years ago

1:26Vlog

India Calling on Costa Serena! Cruise on Italy's finest this November and December

🥈ClickMyCruise · 241K views · 3 years ago

Mixed

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How this comparison is built

Scores aggregate every cruise creator review we've indexed for each entity, weighted by creator expertise and capped per channel so no single voice dominates. Read the full methodology →

Costa DiademavsCosta Serena

Costa Diadema wins this matchup

The specs