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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.

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The short answer

Dyson V15 Detect comes out ahead by a clear margin (4.4 vs 3.5). 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.

Dyson V15 Detect
Higher ratedRanked #1 in Best Cordless Stick Vacuums
Dyson V15 Detect
3 sources1 derived$788as of Jul 31

Dyson's flagship cordless, the V15 Detect, is the consensus pick from RTINGS, Vacuum Wars and TechGearLab in 2026. A 240-AW Hyperdymium motor, laser dust-reveal head, piezo particle sensor and 60-minute swappable battery let it clean nearly any home in one session. You pay flagship pricing. No other vacuum in this group matches its 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
$788 · Check Price on AmazonFull review →
Shark Cordless Detect Pro IW3511
Ranked #3 in Best Cordless Stick Vacuums
Shark Cordless Detect Pro IW3511
3 sources2 derived$269.99as of Aug 1

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
  • — 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
$269.99 · Check Price on AmazonFull review →

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

Dyson V15 Detect

Replaces Dyson V8 as the do-it-all pick for buyers who want maximum cleaning capability.

Shark Cordless Detect Pro IW3511

The only auto-empty cordless on this page.

Specs side-by-side

SpecDyson V15 DetectShark Cordless Detect Pro IW3511
Suction240 AW120 AW
Battery Life60 min (Eco) / 12 min (Boost)60 min (Eco) / 40 min (Auto) / under 15 min (Boost)
Charging Time4.5 hours3.5 hours
Dustbin Capacity0.76 L0.33 L (vacuum) / 30-day base
FiltrationFully sealed HEPA (0.1 micron)HEPA, anti-allergen complete seal (99%)
Tools Included7 (Fluffy Optic, Motorbar, Hair Screw, crevice, combination, mini-motorbar, dock)1 (crevice; auto-empty base, others sold separately)
Weight6.8 lbs2.6 lbs (handle) / 7.5 lbs (full)
Warranty2-year manufacturer5-year limited
Wattage—240 W
← See the full ranking of best cordless stick vacuums