Xiaomi Robot Vacuum S40C
No store we follow ships this model to the United States. This page says what it can do, and which similar robots you can buy here.
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Before you buy, compare it with 2 recommended alternatives
No store here sells this model today, so beside it the highest-scored model with the same kind of station that one does, and the cheapest of the top 10.
Green is the best of these 3, also when they share the lead.
| This model Xiaomi Robot Vacuum S40C | Cheapest of the top 10 ILIFE V2 Best on 3 facts | Highest score here Roborock Q7 M5 Best on 2 facts | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | – | $99Amazon.com best | $149Roborock (brand store) |
| Score | not in our ranking | best | |
| Rank | – | rank 6 of 7 without a station | rank 1 of 7 without a station |
| Customer rating | – | ★ 4.2 · 24,428 reviews best | ★ 4.0 · 5,614 reviews |
| Mopping | |||
| Mop type | – | no mop | flat or vibrating pad |
| Mop lift on carpet higher is better | – | – | no |
| Automatic mop detach | – | – | no |
| Washes the mop | – | – | no |
| Hot-air drying | – | – | no |
| Station | |||
| Station same on all | charging dock only | charging dock only | charging dock only |
| Dust bag lasts longer is better | – | – | up to 30 days |
| Plumbing hookup | – | – | no |
| Brush and obstacles | |||
| Anti-tangle brush | – | yes | yes |
| Climbs thresholds up to higher is better | – | 0.6 in (15 mm) | 0.8 in (20 mm) best |
| Climbing system for high thresholds | – | – | no |
| Size, noise and age | |||
| Robot height lower is better | – | 3 in (7.6 cm) best | 3.9 in (9.9 cm) |
| Noise not judged | – | 60 dB | 65 dB |
| On the market since | October 2025 | – | April 2025 |
Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.
Xiaomi · on the market since October 2025