Fragrance comparison

Dark Matter vs Opulentia Oud

Notes, accords, longevity, sillage, seasons and community ratings, side by side.

Updated 9 Oct 2026 63 ratings analysed

Dark Matter

House of Cosmo

4.205 votes

Rank #49,123 EarthyIris

Full profile Similar & dupes

47%scent match

Some overlap

3 wins

Opulentia Oud

Tomavicci

4.4858 votes

Rank #24,279 AmberEarthy

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Opulentia Oud takes 3 of 4 categories.

Dark Matter
Choose it for a earthy and iris character. Wins on value for money. Best in fall, evening wear.
Opulentia Oud
Choose it for a amber and earthy character. Wins on longevity, sillage & projection and fragranxe ranking. Best in fall, evening wear.

Dark Matter1/4

Opulentia Oud3/4

Ratings & consensus: Not scored
Community sentiment: Not scored
Longevity: Opulentia Oud
Sillage & projection: Opulentia Oud
Value for money: Dark Matter
Versatility: Not scored
Note pyramid (duration): Not scored
Fragranxe ranking: Opulentia Oud

Head-to-head breakdown

Every category side by side, with the winner called out.

Fragrance

Dark MatterHouse of Cosmo

Opulentia OudTomavicci

Winner

Ratings & consensus

Average rating and ownership split

4.20/ 5 · 5 votes

Have 25%Had 0%Want 75%

4.48/ 5 · 58 votes

Have 35%Had 6%Want 60%

Category winnerNot enough dataRating weighted by vote count

Community sentiment

How voters split from love to hate

80%Love

0%Like

0%Ok

0%Dislike

20%Hate

5 votes · too few to score

72%Love

17%Like

2%Ok

3%Dislike

5%Hate

58 votes

Category winnerNot enough dataMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity80

〰 Sillage75

♥ Love / hate80

⏱ Longevity87

〰 Sillage82

♥ Love / hate87

Category winners

LongevityOpulentia Oud

SillageOpulentia Oud

Value for money

How fairly priced voters find it

¤ Price value67

¤ Price value56

Category winnerDark MatterBest value score

Main accords

Strength of each scent family · outlined = shared by both

earthy100%

iris92%

woody84%

caramel77%

amber69%

lavender61%

amber100%

earthy92%

woody84%

aromatic77%

warm spicy69%

rose61%

Scent match47%Some overlap · both earthy, amber and woody

Note pyramid (duration)

Top, heart and base, with how long each lasts when known · gold = shared

Top20-30 mins

Cotton CandyCaramelCashmere Wood

Heart3-4 hrs

OrrisLavenderIncenseJasmineTobaccoViolet

Base8-10+ hrs

CypriolPatchouliVetiverAmbergrisLabdanumMuskOudSandalwood

Top

SaffronRaspberryCorianderGeraniumMarigoldNutmeg

Heart

Bulgarian RoseDamask RoseOrrisEgyptian JasmineOrange Blossom

Base

OudAmberLabdanumMossVetiverCypriolPatchouliMusk

InformationalShared notesOrris, Jasmine, Cypriol and Patchouli. Durations are only published for Dark Matter, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring0

Summer0

Fall100

Winter100

Day32

Night100

Spring65

Summer16

Fall100

Winter97

Day44

Night100

Category winnerNot enough dataMost year-round

Who wears it

Gender appeal votes

Men100

Unisex0

Women0

Date 40%Party 33%Casual 17%Work 10%

Men38

Unisex48

Women15

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#49,123

PerfumerNot listed

Launched—

Reviews0

Overall rank#24,279

PerfumerChristian Provenzano

Launched—

Reviews0

Category winnerOpulentia OudHigher overall rank

In a nutshell

Description & review snapshot

Dark Matter by House of Cosmo hits the air with a bold collision of spun sugar and damp soil. The opening spray bursts with warm caramel, sugary cotton candy, and soft cashmere wood. Within twenty minutes, the sweet cloud meets an earthy wall of powdery orris root, violet, and smoldering incense. It feels rich. A deep…

Reviews →

Tomavicci Opulentia Oud opens with a sweet, tart raspberry pop mixed with the dry bite of coriander and herbal marigold. The scent quickly settles into a rich rose heart, blending Bulgarian and Damask roses with a powdery touch of Florentine orris. As it dries down, the fragrance shifts into a deep, earthy base domina…

Reviews →

InformationalRead bothTaste is personal

How we score: ratings blend public fragrance ratings with Fragranxe member votes; longevity, sillage, value and sentiment are community vote scores, and season bars are relative to each fragrance's strongest season. Categories with too little data are shown but not scored. The scent match weighs accord overlap (60%) and shared notes (40%). More in the FAQ.

Common questions

Straight answers from the data above.

Which is better, Dark Matter or Opulentia Oud?

Opulentia Oud takes 3 of 4 categories. Dark Matter is rated 4.20/5 from 5 votes; Opulentia Oud is rated 4.48/5 from 58 votes. Choose Dark Matter for a earthy and iris character. Wins on value for money. Best in fall, evening wear. Choose Opulentia Oud for a amber and earthy character. Wins on longevity, sillage & projection and fragranxe ranking. Best in fall, evening wear.

Which lasts longer, Dark Matter or Opulentia Oud?

Opulentia Oud lasts longest (Opulentia Oud 87/100, Dark Matter 80/100), based on community performance votes.

Which projects more, Dark Matter or Opulentia Oud?

Opulentia Oud projects furthest (Opulentia Oud 82/100, Dark Matter 75/100), based on community performance votes.

Do Dark Matter and Opulentia Oud smell similar?

Some overlap: a 47% scent match on Fragranxe. Both share earthy, amber and woody accords. Common notes include Orris, Jasmine, Cypriol and Patchouli.

Is Dark Matter or Opulentia Oud better for summer or winter?

Dark Matter suits evening wear; Opulentia Oud suits evening wear. Based on community season votes.

What are the notes in Dark Matter and Opulentia Oud?

Dark Matter has top notes of Cotton Candy, Caramel and Cashmere Wood, heart notes of Orris, Lavender, Incense and Jasmine, a base of Cypriol, Patchouli, Vetiver and Ambergris. Opulentia Oud has top notes of Saffron, Raspberry, Coriander and Geranium, heart notes of Bulgarian Rose, Damask Rose, Orris and Egyptian Jasmine, a base of Oud, Amber, Labdanum and Moss.