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- Flow 2 vs Saros 20 Flow
Narwal Flow 2 vs Roborock Saros 20 Flow
What Flow 2 does better (5) and where Saros 20 Flow wins (6) — every spec side by side.
vs
9.5Cleaning power8.2
9.1Navigation9.2
8.8Mopping9.5
7.8Base station7.6
9.7Battery9.8
Dimensions
Size comparison
Flow 2Saros 20 Flow
| Flow 2 | Saros 20 Flow | Difference | |
|---|---|---|---|
| Height | 95 mm | 90 mm | +5 mm |
| Width / diameter | 364 mm | 353 mm | +11 mm |
| Length | 364 mm | 353 mm | +11 mm |
| Weight | 5 kg | 5 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is Flow 2 better than Saros 20 Flow?
- Runtime350 min vs 300 min+17%
- Cleaning area per charge289 m² vs 200 m²+45%
- Clean water tank (dock)5 l vs 4 l+25%
- Dustbin (robot)300 ml vs 245 ml+22%
- Noise level56 dB vs 67 dB+18%
Why is Saros 20 Flow better than Flow 2?
- Threshold climbing40 mm vs 88 mm2.2×
- Suction power31,000 Pa vs 36,000 Pa+16%
- Mop lift height12 mm vs 15 mm+25%
- Height95 mm vs 90 mm+6%
- Charging time180 min vs 150 min+20%
- Dust bag (dock)2.4 l vs 2.7 l+13%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 31,000 Pa | 36,000 Pa |
| Dustbin (robot) | 300 ml | 245 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | Yes | Yes |
| Side brushes | 1 | 2 |
| Extending side brush | — | Yes |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | Yes |
| Noise level | 56 dB | 67 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Retractable LiDAR, Wall sensor, Cliff sensors |
| Retractable LiDAR | — | Yes |
| 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 | Roller mop |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | 12 mm | 15 mm |
| Extending mop (edges) | Yes | Yes |
| Water tank (robot) | 130 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) | 2.4 l | 2.7 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) | 5 l | 4 l |
| Dirty water tank (dock) | 4.7 l | — |
| Battery & runtime | ||
| Battery capacity | 6,500 mAh | 6,400 mAh |
| Runtime | 350 min | 300 min |
| Charging time | 180 min | 150 min |
| Cleaning area per charge | 289 m² | 200 m² |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 364 mm | 353 mm |
| Length | 364 mm | 353 mm |
| Height | 95 mm | 90 mm |
| Weight | 5 kg | 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 |
