Shark Stratos IZ420UKT Cordless Vacuum vs Vax Blade 4 Dual Pet 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.

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

Vax Blade 4 Dual Pet Cordless Vacuum

8.5/10 Great

4.3★ (6,400 owners)

Anti-tangle Pet tool, 55 min, 2-speed, 0.6L, UK brand. Pet hair specialist at mid-range.

Full Review

At a Glance

	Shark Stratos IZ420UKT Cordless Vacuum	Vax Blade 4 Dual Pet Cordless Vacuum
247Verdict Score	9.0/10	8.5/10
Owner Rating	4.5★ (8,600)	4.3★ (6,400)
Verdict	Excellent	Great
Head	DuoClean FloorNinja	Direct drive
Runtime	45 minutes	55 minutes

Quick Verdict

Both are strong choices, but the Shark Stratos IZ420UKT Cordless Vacuum edges ahead with a 9.0/10 vs 8.5/10. Anti-hair wrap, DuoClean FloorNinja, HEPA, 45min runtime. Dyson V11 equivalent at lower price. That said, the Vax Blade 4 Dual Pet Cordless Vacuum is worth considering if Anti-tangle Pet tool, 55 min, 2-speed, 0.6L, UK brand. Pet hair specialist at mid-range. Check the current price on Amazon →

Pros & Cons Side by Side

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

Vax Blade 4 Dual Pet Cordless Vacuum

Anti-tangle Pet tool removes pet hair from the brush roll automatically — Shark-like feature at lower cost
55-minute runtime is among the longest in the mid-range cordless category
2-speed mode switches between daily cleaning and deep pet-hair extraction
Vax UK brand with UK customer service and next-day delivery on accessories
Direct drive floor head provides stronger carpet agitation than suction-only heads

0.6L capacity smaller than Dyson alternatives
Build quality perception lower than Shark or Dyson at similar pricing
Less suction power than premium alternatives for deep carpet cleaning

FAQ

Which is better, Shark Stratos IZ420UKT or Vax Blade 4 Dual Pet?

Is the Shark Stratos IZ420UKT worth the extra cost?

Yes — Shark Stratos IZ420UKT Cordless Vacuum scores higher at 9.0/10 vs 8.5/10.

Who is the Shark Stratos IZ420UKT best suited to?

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

Who is the Vax Blade 4 Dual Pet best suited to?

Anti-tangle Pet tool, 55 min, 2-speed, 0.6L, UK brand. Pet hair specialist at mid-range.

What are the main downsides of each?

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. Vax Blade 4 Dual Pet Cordless Vacuum: 0.6L capacity smaller than Dyson alternatives; Build quality perception lower than Shark or Dyson at similar pricing.

Do owner ratings agree with our verdict?

Largely, yes — Shark Stratos IZ420UKT Cordless Vacuum sits at 4.5★ from 8,600 verified Amazon owners, and Vax Blade 4 Dual Pet Cordless Vacuum at 4.3★ from 6,400.

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