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- Flow 2 vs Saros 20
Narwal Flow 2 vs Roborock Saros 20
What Flow 2 does better (2) and where Saros 20 wins (5) — every spec side by side.
Dimensions
Size comparison
Flow 2Saros 20
| Flow 2 | Saros 20 | Difference | |
|---|---|---|---|
| Height | 95 mm | 80 mm | +15 mm |
| Width / diameter | 364 mm | 353 mm | +11 mm |
| Length | 364 mm | 353 mm | +11 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Flow 2 better than Saros 20?
- Mop typeRoller mop vs Rotating mop pads
- Noise level56 dB vs 65 dB+15%
Why is Saros 20 better than Flow 2?
- Mop lift height12 mm vs 35 mm2.9×
- Threshold climbing40 mm vs 88 mm2.2×
- Suction power31,000 Pa vs 36,000 Pa+16%
- Height95 mm vs 80 mm+19%
- Charging time180 min vs 150 min+20%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 31,000 Pa | 36,000 Pa |
| Dustbin (robot) | — | 259 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | Yes | Yes |
| Side brushes | 1 | 1 |
| Extending side brush | — | Yes |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | — |
| Noise level | 56 dB | 65 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | AI camera | AI camera |
| Threshold climbing | 40 mm | 88 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Roller mop | Rotating mop pads |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | 12 mm | 35 mm |
| Automatic mop removal | — | Yes |
| Extending mop (edges) | Yes | Yes |
| Water tank (robot) | — | 65 ml |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | — | 2.5 l |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | Yes |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | — | 4 l |
| Dirty water tank (dock) | — | 3.5 l |
| Battery & runtime | ||
| Battery capacity | 6,500 mAh | 6,400 mAh |
| Runtime | — | 200 min |
| Charging time | 180 min | 150 min |
| Cleaning area per charge | 289 m² | — |
| Size & weight | ||
| Width / diameter | 364 mm | 353 mm |
| Length | 364 mm | 353 mm |
| Height | 95 mm | 80 mm |
| Weight | 5 kg | — |
| Shape | Round | Round |
| Colours | Grey | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant, Apple Siri |
| Matter | — | Yes |
| Live camera view / video call | Yes | Yes |
