Cordless Vacuum · Comparison

Bosch Unlimited Series 8 vs Dyson V12 Detect Slim: Which Is Better in 2026?

Updated 2026-11-08 · Based on manufacturer specs and public listings. Prices are approximate.

Check Bosch Unlimited Series 8 price Check Dyson V12 Detect Slim price

Quick verdict

Stronger on paper: Bosch Unlimited Series 8

It leads on 3 of the 3 performance specs we can compare (run time, suction and dustbin).

Dyson V12 Detect Slim is the lighter of the two.

Dyson V12 Detect Slim is about $100 cheaper at typical prices.

Spec comparison

✓ marks the better figure. Makers measure some specs (like suction) differently, so treat close numbers as a tie.

Spec	Bosch Unlimited Series 8	Dyson V12 Detect Slim
Price (approx.)	~$549	~$449 ✓
Weight	2.5 kg	2.2 kg ✓
Run time	65 min ✓	60 min
Suction (maker's figure)	200 ✓	150
Dustbin	0.9 L ✓	0.35 L
Warranty	2 years	2 years

Bosch Unlimited Series 8

Cordless Vacuum · ~$549 · 2 years warranty

Leads on: run time, suction and dustbin.

Check current price on Amazon

Dyson V12 Detect Slim

Cordless Vacuum · ~$449 · 2 years warranty

Leads on: price and weight.

Check current price on Amazon

FAQ

Is Bosch Unlimited Series 8 or Dyson V12 Detect Slim better?

On the specs we track, Bosch Unlimited Series 8 comes out ahead. See the verdict and the table above for where each one leads.

What is the price difference?

Bosch Unlimited Series 8 is about $549 and Dyson V12 Detect Slim about $449, so Dyson V12 Detect Slim is roughly $100 cheaper. Prices change often, so check the live price before buying.

Which has the longer warranty?

Bosch Unlimited Series 8: 2 years. Dyson V12 Detect Slim: 2 years. Check the seller's page, as warranty terms vary by country.

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