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Narwal Flow 2 Ultra vs Roborock Qrevo Curv S5X
The Narwal Flow 2 Ultra wins with a score of 9.1/10. Best for: Hard floor homes that prioritize mopping quality.
Winner
Narwal Flow 2 Ultra
9.1/10$1499
The undisputed mopping champion — best FlowWash system with 140°F heated water
Read full review
Roborock Qrevo Curv S5X
8.2/10$650
The best-value fully-autonomous hard-floor specialist in Roborock's Curv family — strong cleaning, weak obstacle avoidance.
Read full reviewScore Comparison
Narwal Flow 2 UltraRoborock Qrevo Curv S5X
Overall
9.18.2
Hard Floor
9.59.0
Carpet
8.08.8
Mopping
9.87.5
Navigation
8.88.5
Noise
8.58.0
Smart Features
8.07.5
Maintenance
9.57.8
Specifications
| Narwal Flow 2 Ultra | Spec | Roborock Qrevo Curv S5X |
|---|---|---|
| $1499 | Price | $650 |
| 30000 | Suction (Pa) | 18500 |
| 7000 | Battery (mAh) | 5200 |
| — | Noise (dB) | 55.0 |
| — | Dustbin (ml) | 325 |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | 7.0 |
| — | Height (mm) | 98.0 |
| — | Weight (kg) | — |
| LiDAR + AI Camera | Navigation | PreciSense LiDAR |
| ✅ | Self-Empty | ✅ |
| ✅ | Self-Wash Mop | ✅ |
| ✅ | Self-Dry Mop | ✅ |
| ✅ | AI Obstacle | ❌ |
Pros & Cons
Narwal Flow 2 Ultra
Roborock Qrevo Curv S5X
Pros
- + 18,500 Pa suction pulls flour, pasta, and pet hair in a single pass
- + Zero hair tangle on the DuoDivide brush in the 7-inch test
- + 75°C hot-water mop washing and 45°C warm-air drying on the dock
- + Camera-free design — privacy-friendly for bedrooms and offices
- + Thinnest Curv (9.79 cm) — fits under most low sofas and bed frames
Cons
- − Reactive Tech obstacle avoidance detected only 7 of 24 objects
- − 325 ml dustbin clogs quickly with long hair
- − Mop drags on medium-pile carpet with only 7 mm lift
- − No onboard camera means no remote viewing or Intelligent Voice Assistant
- − Battery is 5,200 mAh vs 6,400 mAh on the Curv — shorter runtime for XL homes
The Verdict
The Narwal Flow 2 Ultra is the better choice with an overall score of 9.1/10 — best for hard floor homes that prioritize mopping quality. The Roborock Qrevo Curv S5X is more affordable at $650 vs $1499.