Dreame R20 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.

Dreame R20 Cordless Vacuum

9.1/10 Excellent

4.4★ (5,200 owners)

25000 Pa suction, HEPA, 70 min, flexing wand, LCD screen. Highest suction cordless vacuum.

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

	Dreame R20 Cordless Vacuum	Shark Stratos IZ420UKT Cordless Vacuum
247Verdict Score	9.1/10	9.0/10
Owner Rating	4.4★ (5,200)	4.5★ (8,600)
Verdict	Excellent	Excellent
Runtime	70 minutes dual battery	45 minutes
Filter	HEPA	HEPA

Quick Verdict

This is a genuine draw — both score within 0.15 points of each other. Dreame R20 Cordless Vacuum: 25000 Pa suction, HEPA, 70 min, flexing wand, LCD screen. Highest suction cordless vacuum. 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

Dreame R20 Cordless Vacuum

25,000 Pa suction is the highest of any reviewed cordless vacuum — industrial-level domestic cleaning
70-minute runtime with two batteries covers very large homes in a single session
LCD screen displays remaining battery, suction mode and filter status in real-time
Flexible wand bends 180° for under-sofa and behind-toilet cleaning without stooping
HEPA filtration captures 99.97% of particles including fine allergens

Dreame brand less established in UK than Dyson for warranty confidence
25,000 Pa at full power drains battery faster — runtime at maximum is lower than quoted
No laser detection — cleaning thoroughness is visual estimation

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, Dreame R20 or Shark Stratos IZ420UKT?

Is the Dreame R20 worth the extra cost?

Yes — Dreame R20 Cordless Vacuum scores higher at 9.1/10 vs 9.0/10.

Who is the Dreame R20 best suited to?

25000 Pa suction, HEPA, 70 min, flexing wand, LCD screen. Highest suction cordless vacuum.

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?

Dreame R20 Cordless Vacuum: Dreame brand less established in UK than Dyson for warranty confidence; 25,000 Pa at full power drains battery faster — runtime at maximum is lower than quoted. 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 — Dreame R20 Cordless Vacuum sits at 4.4★ from 5,200 verified Amazon owners, and Shark Stratos IZ420UKT Cordless Vacuum at 4.5★ from 8,600.

As an Amazon Associate we earn from qualifying purchases. Links below are affiliate links.