Dyson Outsize Absolute Cordless Vacuum 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 Outsize Absolute Cordless Vacuum

9.2/10 Excellent

4.5★ (3,800 owners)

25% wider head, 120-min XL battery, 0.77L bin, 220AW suction. Dyson for large homes.

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 Outsize Absolute Cordless Vacuum	Shark Stratos IZ420UKT Cordless Vacuum
247Verdict Score	9.2/10	9.0/10
Owner Rating	4.5★ (3,800)	4.5★ (8,600)
Verdict	Excellent	Excellent
Head	25% wider	DuoClean FloorNinja
Runtime	120 minutes XL battery	45 minutes
Filter	HEPA sealed	HEPA
Weight	3.5kg	3.5kg

Quick Verdict

Both are strong choices, but the Dyson Outsize Absolute Cordless Vacuum edges ahead with a 9.2/10 vs 9.0/10. 25% wider head, 120-min XL battery, 0.77L bin, 220AW suction. Dyson for large homes. That said, the Shark Stratos IZ420UKT Cordless Vacuum is worth considering if Anti-hair wrap, DuoClean FloorNinja, HEPA, 45min runtime. Dyson V11 equivalent at lower price. Check the current price on Amazon →

Pros & Cons Side by Side

Dyson Outsize Absolute Cordless Vacuum

25% wider floor head covers more floor area per pass — reduces cleaning time in large rooms
120-minute runtime from XL battery — doubles standard Dyson run time for very large homes
0.77L bin is larger than standard Dyson vacuums — fewer empties per session
220AW suction is among the highest of any Dyson cordless
HEPA filtration with fully-sealed system captures allergens throughout

Wider head is less manoeuvrable in tight spaces and around furniture legs
Heavier at 3.5kg — more tiring for extended cleaning sessions
Premium pricing at the top of the Dyson cordless range

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 Outsize Absolute or Shark Stratos IZ420UKT?

Is the Dyson Outsize Absolute worth the extra cost?

Yes — Dyson Outsize Absolute Cordless Vacuum scores higher at 9.2/10 vs 9.0/10.

Who is the Dyson Outsize Absolute best suited to?

25% wider head, 120-min XL battery, 0.77L bin, 220AW suction. Dyson for large homes.

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 Outsize Absolute Cordless Vacuum: Wider head is less manoeuvrable in tight spaces and around furniture legs; Heavier at 3.5kg — more tiring for extended cleaning sessions. 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 Outsize Absolute Cordless Vacuum sits at 4.5★ from 3,800 verified Amazon owners, and Shark Stratos IZ420UKT Cordless Vacuum at 4.5★ from 8,600.

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