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.

The short answer

Tineco Pure ONE S15 Pro comes out ahead by a narrow margin (4.3 vs 4.4). The gap is mostly about 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 #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 →

Higher ratedRanked #2 in Best Cordless Stick Vacuums

Tineco Pure ONE S15 Pro

4.4

$599

The Pure ONE S15 Pro is Tineco's most direct answer to the Dyson V15 Detect, with similar sensor-driven auto-suction, a tangle-fighting brushroll and a polished LCD interface for less money. It trades V15 raw suction headroom and Click-in battery swapping for 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

— iLoop smart sensor adjusts suction in real time based on particle count, similar to Dyson's piezo system at lower cost
— ZeroTangle V-shaped brush actively repels hair, eliminating manual de-tangling
— Full-color LCD displays mode, runtime and dirt level with 3D animation

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
— 4-hour recharge with no swappable battery in the box

$599 · Buy at us.tineco.com Full review →

How they stack up

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.

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

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