Head-to-head · Best Cordless Stick Vacuums

Dyson V15 Detect vs Shark Cordless Detect Pro IW3511

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Dyson V15 Detect comes out ahead by a clear margin (4.7 vs 4.3). The gap is mostly about Pet households and large homes where one tool needs to deep-clean every floor type in a single charge. — read the strengths below before deciding.

Higher ratedRanked #1 in Best Cordless Stick Vacuums

Dyson V15 Detect

4.7

$749

The V15 Detect is Dyson's flagship cordless and the consensus pick from RTINGS, Vacuum Wars and TechGearLab in 2026. Its 240-AW Hyperdymium motor, laser dust-reveal head, piezo particle sensor and 60-minute swappable battery combine to clean nearly any home in one session. You pay flagship pricing, but no other vacuum in this group matches the raw suction, sensor intelligence or hard-floor visibility.

Strengths

— 240 air watts of fade-free suction, roughly twice Shark Detect Pro's measured 120 AW
— Green Fluffy Optic laser head reveals invisible hard-floor dust no other vacuum here matches
— Piezo particle sensor counts and sizes debris and auto-boosts power when load increases

Watch-outs

— $749 list price is more than double the Dyson V8 and triple some budget picks
— Trigger-based switch fatigues the hand on long sessions per several reviewers
— 4-5 hour recharge with the bundled charger feels long if you only have one battery

$749 · Check Price on Amazon Full review →

Ranked #3 in Best Cordless Stick Vacuums

Shark Cordless Detect Pro IW3511

4.3

$399

The Cordless Detect Pro is the lightest serious cordless on this list and ships with the only auto-emptying base in the under-$500 tier. Shark trades raw suction for usability: lower power but smart-sensor automation and a hands-off base that hides emptying for up to 30 days. It's the right pick for buyers who hate touching dustbins and want a featherweight wand for stairs.

Strengths

— Auto-empty base seals 30 days of debris without hands-on emptying
— Under 4 lbs at the handle, the lightest full-size cordless reviewed
— Four Detect modes (DirtDetect, EdgeDetect, FloorDetect, LightDetect) handle edges and dark corners automatically

Watch-outs

— Suction maxes at 120 AW, half the Dyson V15's 240 AW
— Boost mode runs the battery flat in under 15 minutes
— Base model ships with only a crevice tool; other accessories are sold separately

$399 · Check Price on Amazon Full review →

How they stack up

Dyson V15 Detect

More suction (240 AW) than Shark Detect Pro (120 AW) or Eufy HomeVac S11 Infinity (120 AW) and more refined dust-sensing than the Tineco Pure ONE S15 Pro. Replaces Dyson V8 as the do-it-all pick for buyers who want maximum cleaning capability.

Shark Cordless Detect Pro IW3511

Lightest vacuum in this group at the handle, but lower suction than Dyson V15 Detect, Tineco Pure ONE S15 Pro, or even the eufy HomeVac S11 Infinity at peak. The only auto-empty cordless on this page.

Specs side-by-side

Spec	Dyson V15 Detect	Shark Cordless Detect Pro IW3511
Suction	240 AW	120 AW
Battery Life	60 min (Eco) / 12 min (Boost)	60 min (Eco) / 40 min (Auto) / under 15 min (Boost)
Charging Time	4.5 hours	3.5 hours
Dustbin Capacity	0.76 L	0.33 L (vacuum) / 30-day base
Filtration	Fully sealed HEPA (0.1 micron)	HEPA, anti-allergen complete seal (99%)
Tools Included	7 (Fluffy Optic, Motorbar, Hair Screw, crevice, combination, mini-motorbar, dock)	1 (crevice; auto-empty base, others sold separately)
Weight	6.8 lbs	2.6 lbs (handle) / 7.5 lbs (full)
Warranty	2-year manufacturer	5-year limited

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