Dyson V12 Detect Slim Absolute vs Shark Stratos IZ420UKT Cordless Vacuum (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

Dyson V12 Detect Slim Absolute

9.1/10 Excellent

4.5★ (8,600 owners)

Green laser, HEPA, 60 min, lightweight 2.2kg. V15 features in a lighter package.

Full Review

Shark Stratos IZ420UKT Cordless Vacuum

9.0/10 Excellent

4.5★ (8,600 owners)

Anti-hair wrap, DuoClean FloorNinja, HEPA, 45min runtime. Dyson V11 equivalent at lower price.

Full Review

At a Glance

	Dyson V12 Detect Slim Absolute	Shark Stratos IZ420UKT Cordless Vacuum
247Verdict Score	9.1/10	9.0/10
Owner Rating	4.5★ (8,600)	4.5★ (8,600)
Verdict	Excellent	Excellent
Filter	HEPA (99.99%)	HEPA
Runtime	60 minutes	45 minutes
Weight	2.2kg	3.5kg
Head	Slim (smaller rooms)	DuoClean FloorNinja
Warranty	2 years	5 years

Quick Verdict

This is a genuine draw — both score within 0.15 points of each other. Dyson V12 Detect Slim Absolute: Green laser, HEPA, 60 min, lightweight 2.2kg. V15 features in a lighter package. Shark Stratos IZ420UKT Cordless Vacuum: Anti-hair wrap, DuoClean FloorNinja, HEPA, 45min runtime. Dyson V11 equivalent at lower price. Choose based on your specific needs. Check the current price on Amazon →

Pros & Cons Side by Side

Dyson V12 Detect Slim Absolute

Green laser dust detection identical to V15 Detect
60-minute runtime matches V15
2.2kg — 900g lighter than V15 for overhead and stair cleaning
HEPA filtration captures 99.99% of particles
More compact head suits smaller rooms and apartments

Piezo particle counter absent — laser only, no numerical readout
Slightly smaller dust bin than V15
Premium pricing for a lighter but less spec'd V15

Shark Stratos IZ420UKT Cordless Vacuum

Anti-Hair Wrap technology removes pet and human hair from brush roll automatically
DuoClean FloorNinja head transitions from hard floors to carpet without attachment changes
HEPA filtration matches Dyson for allergy-safe deep cleaning
45-minute runtime on standard mode covers most UK homes in single charge
Comparable cleaning performance to Dyson V11 at 30-40% lower price

Heavier at 3.5kg than Dyson V15 — more tiring for extended use
No laser dust detection — cleaning completion is visual estimation only
Battery not user-replaceable without tools

FAQ

Which is better, Dyson V12 Detect Slim or Shark Stratos IZ420UKT?

Is the Dyson V12 Detect Slim worth the extra cost?

Yes — Dyson V12 Detect Slim Absolute scores higher at 9.1/10 vs 9.0/10.

Who is the Dyson V12 Detect Slim best suited to?

Green laser, HEPA, 60 min, lightweight 2.2kg. V15 features in a lighter package.

Who is the Shark Stratos IZ420UKT best suited to?

Anti-hair wrap, DuoClean FloorNinja, HEPA, 45min runtime. Dyson V11 equivalent at lower price.

What are the main downsides of each?

Dyson V12 Detect Slim Absolute: Piezo particle counter absent — laser only, no numerical readout; Slightly smaller dust bin than V15. Shark Stratos IZ420UKT Cordless Vacuum: Heavier at 3.5kg than Dyson V15 — more tiring for extended use; No laser dust detection — cleaning completion is visual estimation only.

Do owner ratings agree with our verdict?

Largely, yes — Dyson V12 Detect Slim Absolute sits at 4.5★ from 8,600 verified Amazon owners, and Shark Stratos IZ420UKT Cordless Vacuum at 4.5★ from 8,600.

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