Compare Dreame L40s Ultra vs Narwal Flow
In this technical comparison between the Dreame L40s 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 Approx. $899.00 – $999.00 USD and ~€899 / $999.
| Specifications |
Dreame L40s Ultra |
Narwal Flow |
|---|---|---|
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| Launch | ||
| Version | August 2025 | September 2025 |
| Design & Build | ||
| Shape / Dimensions | Round; 350 x 350 x 103.8 mm | Circular robot; ~35.1 x 36.3 x 9.5 cm |
| Weight | Robot ~4.2 kg; Station ~13.3 kg | Robot: ~4.35 kg | Base Station: ~8.75 kg |
| Dustbin capacity | 300 mL (Robot); 3.2 L (Base Station bag) | Onboard: 480 ml | Base Station Bag: 2.5 L (up to 120 days of storage) |
| Build material | Premium reinforced ABS with metallic finish. | High-grade reinforced plastics with premium matte/gloss finishes. |
| Cleaning & Performance | ||
| Suction power (Pa) | 19,000 Pa (Vormax™ Suction | 22,000 Pa (Industry-leading "Hyper Suction") |
| Cleaning modes | Vacuum, Mop, Vacuum & Mop, Mop after Vacuum. | 5 Modes: Freo Mode (AI Auto), Vacuum then Mop, Vacuum & Mop, Vacuum only, Mop only. |
| Brush types | HyperStream™ Detangling DuoBrush (Dual-roller system) | Zero-Tangle Floating Roller Brush 2.0; Dual side brushes (one is an extending "EdgeReach" brush) |
| Carpet boost | Yes (Ultrasonic detection; mops lift 10.5 mm) | Yes (CarpetFocus™ technology); increases suction by up to 182% and lifts mops 12 mm |
| Noise level (dB) | ≤74 dB(A) | ~53 dB (Standard) to 60 dB (Max/Mop washing) |
| Navigation & Sensors | ||
| Navigation type | Pathfinder™ Smart Navigation (LDS Lidar). | Embedded LiDAR (360° laser scanning) + NarMind Pro AI. |
| Mapping support | 3D Floor Maps, Multi-floor (up to 4), Quick Mapping. | Multi-floor mapping (up to 4 floors); 3D mapping and real-time path optimization. |
| Sensors | 3DAdapt™ (Single-laser 3D Structured Light), Cliff sensors, Edge sensor | Dual RGB Cameras (1080p), Structured Light, Infrared, Ultrasonic, and Cliff sensors (recognizes 200+ object types). |
| Smart home integration | Alexa, Google Assistant, Siri. | Alexa, Google Assistant, Siri, and "Hey Narwal" native voice control. |
| Battery & Charging | ||
| Battery capacity | 5,200 mAh | 5,200 mAh (Lithium-ion) |
| Runtime | Up to 180 minutes (covers ~1800 ft2 ) | Up to 190 minutes (over 3 hours) on a single charge |
| Charging type | Automatic All-in-One PowerDock™ | 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 | Dreamehome App (2.4 GHz). | 2.4 GHz Wi-Fi + Bluetooth; full control via the Narwal Freo App |
| Scheduling | Custom routines, sequential room cleaning, and "Off-Peak" charging. | Advanced scheduling (specific rooms, times, and cleaning intensities) |
| Remote control / voice control | Yes (Note: L40s Ultra uses Lidar; L40s Ultra AE adds a camera for video feed). | Remote "Joy-stick" control in-app; native and 3rd party voice support. |
| No-go zones / virtual walls | Software-defined boundaries. | Yes; supports restricted zones and virtual barriers for both mopping and vacuuming. |
| Various Features | ||
| Advanced Features | EasyLeap™ System (Climbs thresholds up to 40 mm / 1.57 in); Dual Flex Arm (Mop and side brush both extend for edges | FlowWash™ system (continuous rolling track mop); DirtSense 2.0 (re-cleans dirty areas automatically) |
| Additional Options | Mop Removal (Robot can physically leave mops at the dock before vacuuming thick carpets) | Optional Plumbing Integration Kit (Direct water hookup for auto-refill/drain). |
| Filtration & Maintenance | ||
| Filter type | HEPA (High-Efficiency) | HEPA-grade E11 filter (High-efficiency particulate air). |
| Washable filter | Yes | Yes |
| Mop water tank | 4.5 L (Clean) / 4 L (Dirty) in Station; 80 mL internal | Internal 120 ml tank (robot); 4L Clean/Dirty tanks (Base station). |
| Self-emptying bin support | Yes (up to 100 days). --- Mop Maintenance: 75°C (167°F) Hot Water wash and Hot Air drying | Yes; 2.5 L disposable dust bag in the station |
| Misc | ||
| Colors | Black / White | Silver White. |
| Inside the box | Robot, PowerDock, 2x Mop Pads, Side Brush, Dust Bag, Cleaning Solution, Manual. | Robot, Base Station, 2.5L Dust Bag (pre-installed), Mop Roller, Side Brushes, Floor Cleaner (detergent), Power Cable, and Filter. |
| Price | Approx. $899.00 – $999.00 USD | ~€899 / $999 |
| Full Details | L40s Ultra - Full Specifications | Flow - Full Specifications |