Updated 2026-11-08 · Based on manufacturer specs and public listings. Prices are approximate.
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.
| Spec | Shark AI Ultra | iRobot Roomba S9+ |
|---|---|---|
| Price (approx.) | ~$399 ✓ | ~$899 |
| Weight | 4.0 kg | 4.0 kg |
| Run time | 180 min ✓ | 120 min |
| Dustbin | 0.35 L | 0.4 L ✓ |
| Warranty | 1 year | 1 year |
| Features | Matrix Clean, LiDAR, mop | 2200Pa, D-shape, self-empty |
Leads on: price and run time.
Notable: Matrix Clean, LiDAR, mop
Check current price on AmazonLeads on: dustbin.
Notable: 2200Pa, D-shape, self-empty
Check current price on AmazonOn 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.
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.
Shark AI Ultra: 1 year. iRobot Roomba S9+: 1 year. Check the seller's page, as warranty terms vary by country.