Head-to-head · Best Cordless Stick Vacuums

Shark Cordless Detect Pro IW3511 vs Tineco Pure ONE S15 Pro

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

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The short answer

Tineco Pure ONE S15 Pro comes out ahead by a clear margin (3.8 vs 3.2). Tineco Pure ONE S15 Pro is best for: Buyers who want Dyson V15-style smart auto-suction and tangle-free brushroll without the flagship Dyson price. Read the strengths below before deciding.

Ranked #5 in Best Cordless Stick Vacuums

Shark Cordless Detect Pro IW3511

3.2

3 sources

No serious cordless on this list is lighter than the Cordless Detect Pro, and it ships with the only auto-emptying base in the under-$500 tier. Shark trades raw suction for usability: less power, but smart-sensor automation and a hands-off base that hides emptying for up to 30 days. Buyers who hate touching dustbins and want a featherweight wand for stairs should start here.

Strengths

— Under 4 lbs at the handle, the lightest full-size cordless reviewed
— 60-minute Eco runtime is competitive with the Dyson V15 at half the price
— QuadClean multi-surface brushroll switches modes between hardwood and carpet without head swapping

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

Buy at bestbuy.com Full review →

Higher ratedRanked #3 in Best Cordless Stick Vacuums

Tineco Pure ONE S15 Pro

3.8

2 sources$700as of Oct 27

Tineco's most direct answer to the Dyson V15 Detect is the Pure ONE S15 Pro: similar sensor-driven auto-suction, a tangle-fighting brushroll and a polished LCD interface for less money. What it gives up is the V15's raw suction headroom and Click-in battery swapping; what it gains is a quieter, smarter-feeling experience. Buyers who like the V15 concept but balk at the $749 price will find the S15 Pro the closest premium alternative on the market.

Strengths

— ZeroTangle V-shaped brush actively repels hair, eliminating manual de-tangling
— 5-stage filtration captures 99.9% of allergens per Tineco testing
— Contactless dustbin empties without touching debris

Watch-outs

— Battery life of 40 minutes (auto mode) trails Dyson V15's 60 minutes
— S15 Pro model is sold direct from Tineco, not on US Amazon

$700 · Buy at us.tineco.com Full review →

How they stack up

Shark Cordless Detect Pro IW3511

The only auto-empty cordless on this page.

Tineco Pure ONE S15 Pro

Closest direct alternative to the Dyson V15 Detect with similar smart-sensing at $150 less. Better hardwood polish than the Shark Cordless Detect Pro. Heavier than the Dyson V8 but offers far stronger suction and a 2-in-1 wet-dry capability the V8 lacks.

Specs side-by-side

Spec	Shark Cordless Detect Pro IW3511	Tineco Pure ONE S15 Pro
Suction	120 AW	229 AW (500W motor)
Battery Life	60 min (Eco) / 40 min (Auto) / under 15 min (Boost)	40 min (auto) / 12 min (max)
Charging Time	3.5 hours	4 hours
Dustbin Capacity	0.33 L (vacuum) / 30-day base	0.47 L
Filtration	HEPA, anti-allergen complete seal (99%)	5-stage sealed HEPA
Tools Included	1 (crevice; auto-empty base, others sold separately)	5 (ZeroTangle, 2-in-1 dust, mini power, crevice, dock)
Weight	2.6 lbs (handle) / 7.5 lbs (full)	6.8 lbs
Warranty	5-year limited	2-year manufacturer
Wattage	240 W	—

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