Fragrance comparison

Knize Sec vs Opium (1977)

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

Updated 14 Nov 2026 8,557 ratings analysed

Knize Sec

Knize

3.74162 votes

Rank #11,935 CitrusAmber

Full profile Similar & dupes

26%scent match

Clearly different

4 wins

Opium (1977)

Yves Saint Laurent

3.978,395 votes

Rank #420 Warm SpicyAmber

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Opium (1977) takes 4 of 7 categories.

Knize Sec
Choose it for a citrus and amber character. Wins on community sentiment, value for money and versatility. Best in fall, daytime wear.
Opium (1977)
Choose it for a warm spicy and amber character. Wins on ratings & consensus, longevity and sillage & projection. Best in winter.

Knize Sec3/7

Opium (1977)4/7

Ratings & consensus: Opium (1977)
Community sentiment: Knize Sec
Longevity: Opium (1977)
Sillage & projection: Opium (1977)
Value for money: Knize Sec
Versatility: Knize Sec
Note pyramid (duration): Not scored
Fragranxe ranking: Opium (1977)

Head-to-head breakdown

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

Fragrance

Knize SecKnize

Opium (1977)Yves Saint Laurent

Winner

Ratings & consensus

Average rating and ownership split

3.74/ 5 · 162 votes

Have 42%Had 10%Want 48%

3.97/ 5 · 8,395 votes

Have 53%Had 47%Want 0%

Category winnerOpium (1977)Rating weighted by vote count

Community sentiment

How voters split from love to hate

43%Love

40%Like

3%Ok

13%Dislike

0%Hate

90 votes

44%Love

32%Like

1%Ok

22%Dislike

1%Hate

8,395 votes

Category winnerKnize SecMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity71

〰 Sillage61

♥ Love / hate76

⏱ Longevity88

〰 Sillage82

♥ Love / hate74

Category winners

LongevityOpium (1977)

SillageOpium (1977)

Value for money

How fairly priced voters find it

¤ Price value60

¤ Price value53

Category winnerKnize SecBest value score

Main accords

Strength of each scent family · outlined = shared by both

citrus100%

amber92%

aromatic84%

smoky77%

leather69%

lavender61%

warm spicy100%

amber91%

balsamic83%

woody74%

aromatic65%

powdery56%

Scent match26%Clearly different · both amber and aromatic

Note pyramid (duration)

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

Top

OrangeCitrusesAmalfi LemonCoriander

Heart

LavenderJasmineSagePetitgrain

Base

IncenseLeatherAmberMusk

Top

ClovesPepperCorianderWest Indian BayPlumJasmineMandarin OrangeBergamot

Heart

CarnationCinnamonSandalwoodPatchouliRoseOrris RootPeachLily-of-the-Valley

Base

IncenseMyrrhTolu BalsamAmberOpoponaxBenzoinLabdanumVanilla

InformationalShared notesCoriander, Jasmine, Incense and Amber. Note durations are not published for these fragrances, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring56

Summer28

Fall100

Winter67

Day100

Night45

Spring19

Summer0

Fall0

Winter100

Day–

Night–

Category winnerKnize SecMost year-round

Who wears it

Gender appeal votes

Men80

Unisex20

Women0

Men3

Unisex36

Women61

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#11,935

PerfumerFrancois Coty, Vincent Roubert

Launched—

Reviews18

Overall rank#420

PerfumerJean Amic, Jean-Louis Sieuzac, Raymond Chaillan

Launched—

Reviews204

Category winnerOpium (1977)Higher overall rank

In a nutshell

Description & review snapshot

Knize Sec is an aromatic woody fragrance that leans into dry citrus and smoky leather. Launched in 1985 as a sharper, more restrained relative to the classic Knize Ten, it emphasizes a crisp coriander and lemon opening over a base of incense and musk. It offers a refined, professional scent profile suitable for daily …

Reviews →

Yves Saint Laurent Opium (1977) opens like a warm, crackling hearth on a freezing winter night. The first spray hits with a sharp burst of dried clove buds, fresh black pepper, and dark plum before mellowing into rich cinnamon, spicy red carnation, and creamy sandalwood. As it settles on warm skin, deep frankincense, …

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.

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Common questions

Straight answers from the data above.

Which is better, Knize Sec or Opium (1977)?

Opium (1977) takes 4 of 7 categories. Knize Sec is rated 3.74/5 from 162 votes; Opium (1977) is rated 3.97/5 from 8,395 votes. Choose Knize Sec for a citrus and amber character. Wins on community sentiment, value for money and versatility. Best in fall, daytime wear. Choose Opium (1977) for a warm spicy and amber character. Wins on ratings & consensus, longevity and sillage & projection. Best in winter.

Which lasts longer, Knize Sec or Opium (1977)?

Opium (1977) lasts longest (Opium (1977) 88/100, Knize Sec 71/100), based on community performance votes.

Which projects more, Knize Sec or Opium (1977)?

Opium (1977) projects furthest (Opium (1977) 82/100, Knize Sec 61/100), based on community performance votes.

Do Knize Sec and Opium (1977) smell similar?

Clearly different: a 26% scent match on Fragranxe. Both share amber and aromatic accords. Common notes include Coriander, Jasmine, Incense and Amber.

Is Knize Sec or Opium (1977) better for summer or winter?

For summer, Knize Sec is the stronger pick. For winter, Opium (1977) is the stronger pick. Knize Sec suits daytime wear. Based on community season votes.

What are the notes in Knize Sec and Opium (1977)?

Knize Sec has top notes of Orange, Citruses, Amalfi Lemon and Coriander, heart notes of Lavender, Jasmine, Sage and Petitgrain, a base of Incense, Leather, Amber and Musk. Opium (1977) has top notes of Cloves, Pepper, Coriander and West Indian Bay, heart notes of Carnation, Cinnamon, Sandalwood and Patchouli, a base of Incense, Myrrh, Tolu Balsam and Amber.