Compare Lefant M310 Ultra vs Narwal Flow
In this technical comparison between the Lefant M310 Ultra and the Narwal Flow, 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 $150 to $230 and ~€899 / $999.
| Specifications |
Lefant M310 Ultra |
Narwal Flow |
|---|---|---|
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| Launch | ||
| Version | August 2025 | September 2025 |
| Design & Build | ||
| Shape / Dimensions | Ultra-slim circular design; 28 x 28 x 7.9 cm (one of the smallest diameters on the market) | Circular robot; ~35.1 x 36.3 x 9.5 cm |
| Weight | Approximately 3.02 kg (6.66 lbs) to 3.35 kg. | Robot: ~4.35 kg | Base Station: ~8.75 kg |
| Dustbin capacity | 500 ml (Internal). | Onboard: 480 ml | Base Station Bag: 2.5 L (up to 120 days of storage) |
| Build material | Durable matte-finish ABS plastic. | High-grade reinforced plastics with premium matte/gloss finishes. |
| Cleaning & Performance | ||
| Suction power (Pa) | 6,000 Pa (Industrial-grade "HyperSuction"). | 22,000 Pa (Industry-leading "Hyper Suction") |
| Cleaning modes | 3-in-1 (Sweep, Vacuum, Mop); specific modes include Auto, Spot, Edge, and Scheduled. | 5 Modes: Freo Mode (AI Auto), Vacuum then Mop, Vacuum & Mop, Vacuum only, Mop only. |
| Brush types | Brushless Suction Port (Tangle-free design ideal for pet hair) + Dual side brushes. | Zero-Tangle Floating Roller Brush 2.0; Dual side brushes (one is an extending "EdgeReach" brush) |
| Carpet boost | Yes; automatically increases suction by up to 200% upon carpet detection. | Yes (CarpetFocus™ technology); increases suction by up to 182% and lifts mops 12 mm |
| Noise level (dB) | ~55 dB (Eco/Quiet mode). | ~53 dB (Standard) to 60 dB (Max/Mop washing) |
| Navigation & Sensors | ||
| Navigation type | ToF LiDAR (Time-of-Flight) with 360° instant room mapping. | Embedded LiDAR (360° laser scanning) + NarMind Pro AI. |
| Mapping support | Real-time visual mapping in the app; supports multi-floor memory. | Multi-floor mapping (up to 4 floors); 3D mapping and real-time path optimization. |
| Sensors | 190° PSD (Position Sensitive Detector) for millimeter-level obstacle avoidance; 9 sets of sensors for day/night obstacle detection | Dual RGB Cameras (1080p), Structured Light, Infrared, Ultrasonic, and Cliff sensors (recognizes 200+ object types). |
| Smart home integration | Amazon Alexa, Google Assistant, and Lefant Life App. | Alexa, Google Assistant, Siri, and "Hey Narwal" native voice control. |
| Battery & Charging | ||
| Battery capacity | 2,600 mAh | 5,200 mAh (Lithium-ion) |
| Runtime | Up to 170–175 minutes (covers ~1,700 sq. ft.) | Up to 190 minutes (over 3 hours) on a single charge |
| Charging type | Automatic contact charging via a compact dock | Automatic contact charging via base station |
| Recharge & resume support | Yes | Yes; returns to charge and continues exactly where it left off. |
| Connectivity & App Features | ||
| Wi-Fi / App control | 2.4 GHz Wi-Fi & Bluetooth pairing via the Lefant App | 2.4 GHz Wi-Fi + Bluetooth; full control via the Narwal Freo App |
| Scheduling | Weekly/Daily recurring timers | Advanced scheduling (specific rooms, times, and cleaning intensities) |
| Remote control / voice control | Full app remote and voice command support | Remote "Joy-stick" control in-app; native and 3rd party voice support. |
| No-go zones / virtual walls | Yes; digital boundaries can be set in the app map. | Yes; supports restricted zones and virtual barriers for both mopping and vacuuming. |
| Various Features | ||
| Advanced Features | FreeMove 3.0 (anti-stuck technology); smart carpet avoidance (won't mop on carpets). | FlowWash™ system (continuous rolling track mop); DirtSense 2.0 (re-cleans dirty areas automatically) |
| Additional Options | Supports reusable mop pads and disposable face-towel adapters for eco-friendly mopping. | Optional Plumbing Integration Kit (Direct water hookup for auto-refill/drain). |
| Filtration & Maintenance | ||
| Filter type | HEPA Filter (High-efficiency particulate air) | HEPA-grade E11 filter (High-efficiency particulate air). |
| Washable filter | Yes (Maintenance recommended every 1–3 months). | Yes |
| Mop water tank | 200 ml (Removable attachment) | Internal 120 ml tank (robot); 4L Clean/Dirty tanks (Base station). |
| Self-emptying bin support | No (Manual empty; standard for the M310 series). | Yes; 2.5 L disposable dust bag in the station |
| Misc | ||
| Colors | Gray (Standard), White (Ultra White). | Silver White. |
| Inside the box | Robot, Charging Dock, Power Adapter, 2 sets of Side Brushes, 1 Reusable Mop Pad, Water Tank, HEPA Filter, and User Manual. | Robot, Base Station, 2.5L Dust Bag (pre-installed), Mop Roller, Side Brushes, Floor Cleaner (detergent), Power Cable, and Filter. |
| Price | $150 to $230 | ~€899 / $999 |
| Full Details | M310 Ultra - Full Specifications | Flow - Full Specifications |