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Robot Vacuum · Comparison

Shark AI Ultra vs iRobot Roomba S9+: Which Is Better in 2026?

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

Quick verdict

Too close to call on specs.

Neither model leads clearly on the performance specs we track, so price and the features that matter to you decide.

Shark AI Ultra is about $500 cheaper at typical prices.

Spec comparison

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

SpecShark AI UltraiRobot Roomba S9+
Price (approx.)~$399 ✓~$899
Weight4.0 kg4.0 kg
Run time180 min ✓120 min
Dustbin0.35 L0.4 L ✓
Warranty1 year1 year
FeaturesMatrix Clean, LiDAR, mop2200Pa, D-shape, self-empty
Robot Vacuum (illustrative photo, not this exact model)

Shark AI Ultra

Robot Vacuum · ~$399 · 1 year warranty

Leads on: price and run time.

Notable: Matrix Clean, LiDAR, mop

Check current price on Amazon
Robot Vacuum (illustrative photo, not this exact model)

iRobot Roomba S9+

Robot Vacuum · ~$899 · 1 year warranty

Leads on: dustbin.

Notable: 2200Pa, D-shape, self-empty

Check current price on Amazon

FAQ

Is Shark AI Ultra or iRobot Roomba S9+ better?

On the specs we track, neither is clearly better; the choice comes down to price and features. See the verdict and the table above for where each one leads.

What is the price difference?

Shark AI Ultra is about $399 and iRobot Roomba S9+ about $899, so Shark AI Ultra is roughly $500 cheaper. Prices change often, so check the live price before buying.

Which has the longer warranty?

Shark AI Ultra: 1 year. iRobot Roomba S9+: 1 year. Check the seller's page, as warranty terms vary by country.

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