Fragrance comparison

300 Km/h Quantum vs Optimistic for Him

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

Updated 13 Oct 2026 126 ratings analysed

300 Km/h Quantum

Avon

3.6157 votes

Rank #37,375 OzonicFresh Spicy

Full profile Similar & dupes

45%scent match

Some overlap

5 wins

Optimistic for Him

Paul Smith

3.8069 votes

Rank #14,478 AromaticFresh Spicy

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Optimistic for Him takes 5 of 7 categories.

300 Km/h Quantum
Choose it for a ozonic and fresh spicy character. Wins on value for money and versatility. Best in summer, daytime wear.
Optimistic for Him
Choose it for a aromatic and fresh spicy character. Wins on ratings & consensus, community sentiment and longevity. Best in summer.

300 Km/h Quantum2/7

Optimistic for Him5/7

Ratings & consensus: Optimistic for Him
Community sentiment: Optimistic for Him
Longevity: Optimistic for Him
Sillage & projection: Optimistic for Him
Value for money: 300 Km/h Quantum
Versatility: 300 Km/h Quantum
Note pyramid (duration): Not scored
Fragranxe ranking: Optimistic for Him

Head-to-head breakdown

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

Fragrance

300 Km/h QuantumAvon

Optimistic for HimPaul Smith

Winner

Ratings & consensus

Average rating and ownership split

3.61/ 5 · 57 votes

Have 62%Had 20%Want 19%

3.80/ 5 · 69 votes

Have 50%Had 25%Want 25%

Category winnerOptimistic for HimRating weighted by vote count

Community sentiment

How voters split from love to hate

19%Love

46%Like

21%Ok

5%Dislike

9%Hate

57 votes

25%Love

51%Like

4%Ok

20%Dislike

0%Hate

69 votes

Category winnerOptimistic for HimMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity51

〰 Sillage44

♥ Love / hate65

⏱ Longevity67

〰 Sillage55

♥ Love / hate70

Category winners

LongevityOptimistic for Him

SillageOptimistic for Him

Value for money

How fairly priced voters find it

¤ Price value68

¤ Price value60

Category winner300 Km/h QuantumBest value score

Main accords

Strength of each scent family · outlined = shared by both

ozonic100%

fresh spicy86%

aromatic72%

woody58%

rose44%

herbal30%

aromatic100%

fresh spicy90%

citrus80%

herbal70%

warm spicy60%

woody50%

Scent match45%Some overlap · both fresh spicy, aromatic and woody

Note pyramid (duration)

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

Top

Ozonic notes

Heart

Geranium

Base

Virginia Cedar

Top

CitrusesPepperMandarin OrangeCardamom

Heart

SageGeraniumSea Notes

Base

VetiverVirginia CedarAmber

InformationalShared notesGeranium and Virginia Cedar. Note durations are not published for these fragrances, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring83

Summer100

Fall65

Winter23

Day100

Night41

Spring93

Summer100

Fall35

Winter16

Day–

Night–

Category winner300 Km/h QuantumMost year-round

Who wears it

Gender appeal votes

Men94

Unisex6

Women0

Men100

Unisex0

Women0

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#37,375

PerfumerMarion Costero, Olivier Gillotin

Launched—

Reviews0

Overall rank#14,478

PerfumerNathalie Feisthauer

Launched—

Reviews16

Category winnerOptimistic for HimHigher overall rank

In a nutshell

Description & review snapshot

300 Km/h Quantum by Avon opens with a sharp burst of ozonic notes that immediately signals cool outdoor air. As the initial breeze calms, green geranium adds a crisp floral spine with a slightly peppered edge. The scent finishes on dry Virginia cedar, giving the light composition a clean woody base. It suits hot summe…

Reviews →

Optimistic for Him opens with bright citrus, light pepper, and a clean blue freshness that reads easy, airy, and office-friendly. As it settles, sage, a slightly salty marine touch, soft vetiver, cedar, and amber keep it dry and discreet. It suits spring and summer best. Sample first if you dislike synthetic citrus or…

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, 300 Km/h Quantum or Optimistic for Him?

Optimistic for Him takes 5 of 7 categories. 300 Km/h Quantum is rated 3.61/5 from 57 votes; Optimistic for Him is rated 3.80/5 from 69 votes. Choose 300 Km/h Quantum for a ozonic and fresh spicy character. Wins on value for money and versatility. Best in summer, daytime wear. Choose Optimistic for Him for a aromatic and fresh spicy character. Wins on ratings & consensus, community sentiment and longevity. Best in summer.

Which lasts longer, 300 Km/h Quantum or Optimistic for Him?

Optimistic for Him lasts longest (Optimistic for Him 67/100, 300 Km/h Quantum 51/100), based on community performance votes.

Which projects more, 300 Km/h Quantum or Optimistic for Him?

Optimistic for Him projects furthest (Optimistic for Him 55/100, 300 Km/h Quantum 44/100), based on community performance votes.

Do 300 Km/h Quantum and Optimistic for Him smell similar?

Some overlap: a 45% scent match on Fragranxe. Both share fresh spicy, aromatic and woody accords. Common notes include Geranium and Virginia Cedar.

Is 300 Km/h Quantum or Optimistic for Him better for summer or winter?

For summer, 300 Km/h Quantum is the stronger pick. For winter, 300 Km/h Quantum is the stronger pick. 300 Km/h Quantum suits daytime wear. Based on community season votes.

What are the notes in 300 Km/h Quantum and Optimistic for Him?

300 Km/h Quantum has top notes of Ozonic notes, heart notes of Geranium, a base of Virginia Cedar. Optimistic for Him has top notes of Citruses, Pepper, Mandarin Orange and Cardamom, heart notes of Sage, Geranium and Sea Notes, a base of Vetiver, Virginia Cedar and Amber.