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Dyson V15 Detect vs Dyson V12 Detect Slim

Which is better in 2026? A straight answer from our researched Top 10 Cordless Vacuums ranking.

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Quick verdict

Dyson V15 Detect wins for most people: it ranks #1 in our Top 10 Cordless Vacuums (Best overall), while the Dyson V12 Detect Slim ranks #6 (Best lightweight Dyson). The Dyson V12 Detect Slim usually costs less. Pick the Dyson V12 Detect Slim if its strengths below match how you'll use it.

Dyson V15 Detect

#1 · Best overall

Dyson V15 Detect

~$650–$750 at time of writing

See today's price on Amazon
VS
Dyson V12 Detect Slim

#6 · Best lightweight Dyson

Dyson V12 Detect Slim

~$500–$650 at time of writing

See today's price on Amazon

Side-by-side

Dyson V15 DetectDyson V12 Detect Slim
Our rank#1 of 10#6 of 10
Best forBest overallBest lightweight Dyson
BrandDysonDyson
Typical price*~$650–$750~$500–$650
Top strengthPopular Mechanics' best overallLight with laser dust detection
Main drawbackExpensive; trigger powerSmall bin

*Approximate, at time of writing; check the retailer for today's price. Ratings shown only where we found a sourced rating.

Choose the Dyson V15 Detect if…

  • You want the pick we rate best overall.
  • Popular Mechanics' best overall
  • Laser reveals hidden dust; particle counter

Choose the Dyson V12 Detect Slim if…

  • You want the pick we rate best lightweight dyson.
  • Light with laser dust detection

Honest pros and cons

Dyson V15 Detect

Pros

  • Popular Mechanics' best overall
  • Laser reveals hidden dust; particle counter

Cons

  • Expensive; trigger power

Dyson V12 Detect Slim

Pros

  • Light with laser dust detection

Cons

  • Small bin
See the full ranking: The 10 Best Cordless Vacuums →

Dyson V15 Detect vs Dyson V12 Detect Slim FAQs

Is the Dyson V15 Detect better than the Dyson V12 Detect Slim?

For most people, yes. In our researched ranking of the 10 best cordless vacuums, the Dyson V15 Detect is #1 (Best overall) and the Dyson V12 Detect Slim is #6 (Best lightweight Dyson). The Dyson V12 Detect Slim can still be the better buy if you value: light with laser dust detection.

Which is cheaper, the Dyson V15 Detect or the Dyson V12 Detect Slim?

At time of writing the Dyson V15 Detect runs ~$650–$750 and the Dyson V12 Detect Slim runs ~$500–$650. The Dyson V12 Detect Slim is usually cheaper.

How did you compare the Dyson V15 Detect and Dyson V12 Detect Slim?

Both come from Rank the Rest's Top 10 Cordless Vacuums ranking, built from published expert testing, sourced review data and manufacturer specs. We did not hands-on test them, and brands can't pay for placement.

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