The Qrevo S by Roborock positions itself in the mid-range home vacuum cleaner market with a price of $700-$900. It features dimensions of 35.0 x 35.3 x 9.6 cm and weighs 11.56 kg, using LiDAR navigation and sensors including structured light, cliff, bump, wheel encoders, and dust sensor. Key differentiators include app-based remote control, voice integration with Alexa and Google Home, and AI automation for residential and small office use.
The Narwal Flow by Narwal targets premium residential cleaning at $1000-$1500, suited for pet owners and mixed flooring. Its dimensions are 35.1 x 36.4 x 9.5 cm with a lighter weight of 4.5 kg, employing embedded LiDAR with AI-powered Twin-AI Dodge for 3D mapping. It stands out with dual RGB cameras, LED, structured light, cliff and bump sensors, plus voice commands via “Hey Narwal” and auto mop lifting.
Specifications Comparison
| Specification | Qrevo S | Narwal Flow |
|---|---|---|
| Price | $700-$900 | $1000-$1500 |
| Weight | 11.56 kg | 4.5 kg |
| Max Speed | 0.3 m/s | 0.3 m/s |
| Runtime | 180 minutes | 190 minutes |
| Battery Pack | 5200mAh Lithium-Ion | 6,400 mAh lithium-ion battery pack |
| Dimensions | 35.0 x 35.3 x 9.6 cm | 35.1 x 36.4 x 9.5 cm |
| Sensors | LiDAR, structured light, cliff, bump, wheel encoders, dust sensor | Dual RGB cameras, LED, structured light, LiDAR, cliff sensors, bump sensors |
| Charging Time | Approximately 4 hours | Approximately 3-4 hours (fast charging supported) |
| Navigation System | LiDAR | Embedded LiDAR with AI-powered Twin-AI Dodge system for advanced 3D mapping and obstacle avoidance |
| Control Method | Remote control via app, voice control through Alexa and Google Home, AI automation | Voice commands via “Hey Nawa” assistant, app control, scheduling via Narwal app |
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Detailed Analysis
Design & Build Quality
Qrevo S measures 35.0 x 35.3 x 9.6 cm and weighs 11.56 kg, providing a robust build for residential use. Narwal Flow is slightly larger at 35.1 x 36.4 x 9.5 cm but much lighter at 4.5 kg, enhancing portability. Both maintain similar low profiles around 9.5-9.6 cm for under-furniture access.
Mobility & Navigation
Both robots achieve 0.3 m/s speed with LiDAR-based navigation. Qrevo S relies on standard LiDAR for mapping, while Narwal Flow uses embedded LiDAR paired with Twin-AI Dodge for advanced 3D mapping and obstacle avoidance. This enables Narwal Flow to handle complex environments like mixed flooring more effectively.
Sensors & Perception
Qrevo S includes LiDAR, structured light, cliff, bump, wheel encoders, and dust sensor for comprehensive detection. Narwal Flow adds dual RGB cameras and LED to its LiDAR, structured light, cliff, and bump sensors, supporting enhanced perception. The camera integration in Narwal Flow aids in detailed environmental scanning.
AI Capabilities
Qrevo S offers AI automation through its proprietary OS and app integration. Narwal Flow incorporates AI-powered Twin-AI Dodge system and proprietary software with cleaning algorithms for dynamic adjustments. Narwal Flow's AI extends to voice recognition via “Hey Narwal” for hands-free operation.
Battery & Power Efficiency
Qrevo S battery lasts an estimated 3-5 years depending on usage. Narwal Flow's lithium-ion battery has a 2-3 year typical lifespan under normal conditions. Both support extended sessions, though longevity varies with cleaning frequency and intensity.
Use-Case Suitability
Qrevo S suits residential spaces and small offices with its balanced sensor suite. Narwal Flow targets homes with pets and mixed flooring, aided by auto mop lifting on carpets. Both handle standard home cleaning, but Narwal Flow adapts better to varied surfaces.
Pricing & Value
Qrevo S ranges from $700-$900, offering accessible entry into advanced cleaning. Narwal Flow costs $1000-$1500, reflecting premium features like enhanced AI and sensors. Price differences align with Narwal Flow's additional camera-based perception.
Safety Features
Qrevo S provides obstacle detection and collision avoidance using its sensor array. Narwal Flow includes cliff sensors, obstacle avoidance, and auto mop lifting to prevent carpet damage. Both prioritize fall prevention and navigation safety.
Analysis Score Summary
Total Score
4
Qrevo S
VS
Based on Detailed Analysis
Total Score
12
Narwal Flow
📊 Win: 2 points | Trade-off: 1 point each
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Disclaimer
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