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 | Roborock S8 |
|---|---|---|
| Price (approx.) | ~$399 ✓ | ~$599 |
| Weight | 4.0 kg ✓ | 4.3 kg |
| Run time | 180 min | 180 min |
| Dustbin | 0.35 L | 0.35 L |
| Warranty | 1 year | 1 year |
| Features | Matrix Clean, LiDAR, mop | 6000Pa, LiDAR, mop |
Leads on: price and weight.
Notable: Matrix Clean, LiDAR, mop
Check current price on AmazonLeads on: none of the specs we track against Shark AI Ultra.
Notable: 6000Pa, LiDAR, mop
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 Roborock S8 about $599, so Shark AI Ultra is roughly $200 cheaper. Prices change often, so check the live price before buying.
Shark AI Ultra: 1 year. Roborock S8: 1 year. Check the seller's page, as warranty terms vary by country.