Dyson V8 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 V8 Absolute Cordless Vacuum

8.8/10 Great

4.5★ (22,400 owners)

115 AW suction, 40 min, Torque drive head, HEPA filtration. The classic Dyson cordless.

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 V8 Absolute Cordless Vacuum	Shark Stratos IZ420UKT Cordless Vacuum
247Verdict Score	8.8/10	9.0/10
Owner Rating	4.5★ (22,400)	4.5★ (8,600)
Verdict	Great	Excellent
Runtime	40 minutes	45 minutes
Head	Torque Drive	DuoClean FloorNinja
Filter	HEPA	HEPA

Quick Verdict

Both are strong choices, but the Shark Stratos IZ420UKT Cordless Vacuum edges ahead with a 9.0/10 vs 8.8/10. Anti-hair wrap, DuoClean FloorNinja, HEPA, 45min runtime. Dyson V11 equivalent at lower price. That said, the Dyson V8 Absolute Cordless Vacuum is worth considering if 115 AW suction, 40 min, Torque drive head, HEPA filtration. The classic Dyson cordless. Check the current price on Amazon →

Pros & Cons Side by Side

Dyson V8 Absolute Cordless Vacuum

115AW suction — less than V12/V15 but substantially more than entry cordless vacuums
Dyson Torque Drive head agitates carpet fibres for deep dust extraction
40-minute runtime adequate for most medium-sized UK homes
HEPA filtration captures 99.97% of particles — allergy-safe cleaning
22,400 Amazon reviews at 4.5★ — one of the most validated cordless vacuums available

Less suction than V12/V15 — for large homes or heavy soiling, the V12 is significantly better
No laser detection — V12 and V15 have this feature
Older generation — V12 and V15 have measurably better performance

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 V8 Absolute or Shark Stratos IZ420UKT?

Is the Dyson V8 Absolute worth the extra cost?

The Shark Stratos IZ420UKT Cordless Vacuum matches or exceeds it at a potentially lower price point.

Who is the Dyson V8 Absolute best suited to?

115 AW suction, 40 min, Torque drive head, HEPA filtration. The classic Dyson cordless.

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 V8 Absolute Cordless Vacuum: Less suction than V12/V15 — for large homes or heavy soiling, the V12 is significantly better; No laser detection — V12 and V15 have this feature. 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 V8 Absolute Cordless Vacuum sits at 4.5★ from 22,400 verified Amazon owners, and Shark Stratos IZ420UKT Cordless Vacuum at 4.5★ from 8,600.

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