In this technical comparison between the Xiaomi Robot Vacuum H40 and the Xiaomi Robot Vacuum S40C, we analyze the key features to help you choose.
Choosing between these two Robot Vacuum Cleaners models often comes down to your budget, with prices around ~$400.00 and ~$159.99 - $189.99.
| Specifications |
Xiaomi Robot Vacuum H40 |
Xiaomi Robot Vacuum S40C |
|---|---|---|
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| Launch | ||
| Version | August 2025 | June 2025 |
| Design & Build | ||
| Shape / Dimensions | Round; 340 x 340 x 97 mm | Round; 340 x 340 x 97 mm |
| Weight | Robot ~3.64 kg; Base Station ~8.7 kg | ~3.44 kg (Net weight) |
| Dustbin capacity | 350 mL (Internal); 4 L (Base Station bag, lasts up to 90 days). | 520 mL (High-capacity for its class) |
| Build material | High-durability ABS with a glossy white finish. | High-density ABS plastic (available in White). |
| Cleaning & Performance | ||
| Suction power (Pa) | 10,000 Pa (Hurricane-style fan blower). | 5,000 Pa (4 adjustable modes: Silent, Standard, Strong, Turbo) |
| Cleaning modes | Silent, Standard, Strong, Turbo (4 levels) | Vacuum only, Mop only, 2-in-1 Vacuum & Mop |
| Brush types | Multidimensional Anti-Tangle system (V-shaped main brush with a comb structure to prevent hair wrapping). | V-shaped main roller brush (anti-tangle design) + 1 Side brush |
| Carpet boost | Yes (Automatic detection) | Yes (Adaptive suction increase). |
| Noise level (dB) | < 50 dB (Silent mode); up to 72 dB (Turbo). | < 60 dB in Silent mode. |
| Navigation & Sensors | ||
| Navigation type | 360° LDS Laser Navigation (Lidar) | 360° LDS Laser Navigation (Lidar) |
| Mapping support | 3D mapping, Multi-floor management, Real-time path tracking | Multi-floor mapping, 3D floor maps, Quick mapping |
| Sensors | Cliff sensors, infrared recharge sensor, proximity bumper, and edge-following laser. | Anti-fall (cliff) sensors, collision bumper, edge sensor, obstacle detection |
| Smart home integration | Xiaomi Home App, Amazon Alexa, Google Assistant. | Mi Home / Xiaomi Home App, Google Assistant, Amazon Alexa. |
| Battery & Charging | ||
| Battery capacity | 5,200 mAh. | 2,600 mAh (Nominal) |
| Runtime | Up to 180 minutes in Standard mode | Up to 120 minutes (Standard mode) |
| Charging type | Automatic Smart Docking | Automatic charging dock (Base Model E101CDZ) |
| Recharge & resume support | Yes | Yes |
| Connectivity & App Features | ||
| Wi-Fi / App control | 2.4 GHz Wi-Fi; Xiaomi Home App | 2.4GHz Wi-Fi via Xiaomi Home app |
| Scheduling | Room-specific, zone-based, and frequency scheduling | Custom schedules per room or specific zones. |
| Remote control / voice control | App remote control; supports "Hey Google" and Alexa | App-based joystick; Voice commands supported. |
| No-go zones / virtual walls | Software-defined via App. | Software-defined via App |
| Various Features | ||
| Advanced Features | Active Hair Cutting (specific variants include a hidden push-knife in the roller to slice tangled hair); Y-shaped mopping paths | Smart path planning (Y-shape mopping patterns for better stain removal). |
| Additional Options | Child lock, Do Not Disturb (DND) periods, and targeted cleaning around specific furniture (e.g., "Clean under the sofa") | Real-time cleaning tracking and OTA (Over-the-Air) firmware updates. |
| Filtration & Maintenance | ||
| Filter type | High-efficiency E11/HEPA Filter. | High-efficiency HEPA filtration |
| Washable filter | Yes | Yes |
| Mop water tank | 210 mL (Internal electronic tank) | 260 mL (Electronic control with 3 levels) |
| Self-emptying bin support | Yes (Auto-empty station included) | No (Manual emptying only; does not support the Auto-Empty Station). |
| Misc | ||
| Colors | White | White |
| Inside the box | Robot, Auto-Empty Station, 1x Anti-tangle side brush, 1x Main brush, 1x Dust bag (pre-installed), Mop pad assembly, User manual. | Robot S40C, Charging Dock, Mop & Water Tank assembly, Side Brush, Power Adapter, User Manual |
| Price | ~$400.00 | ~$159.99 - $189.99 |
| Full Details | Robot Vacuum H40 - Full Specifications | Robot Vacuum S40C - Full Specifications |