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- X50s Ultra vs Saros 20 Flow
Dreame X50s Ultra vs Roborock Saros 20 Flow
What X50s Ultra does better (5) and where Saros 20 Flow wins (4) — every spec side by side.
vs
9.0Cleaning power8.2
9.3Navigation9.3
7.4Mopping9.5
8.7Base station7.6
9.8Battery9.8
Dimensions
Size comparison
X50s UltraSaros 20 Flow
| X50s Ultra | Saros 20 Flow | Difference | |
|---|---|---|---|
| Height | 80 mm | 90 mm | −10 mm |
| Width / diameter | 350 mm | 353 mm | −3 mm |
| Length | 350 mm | 353 mm | −3 mm |
| Weight | 4.7 kg | 5 kg | −0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is X50s Ultra better than Saros 20 Flow?
- Charging time80 min vs 150 min+88%
- Height80 mm vs 90 mm+12%
- Noise level55 dB vs 67 dB+21%
- Dust bag (dock)3.2 l vs 2.7 l+19%
- Clean water tank (dock)4.2 l vs 4 l+5%
Why is Saros 20 Flow better than X50s Ultra?
- Mop typeRotating mop pads vs Roller mop
- Mop lift height10.5 mm vs 15 mm+43%
- Suction power35,000 Pa vs 36,000 Pa+3%
- Dustbin (robot)235 ml vs 245 ml+4%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 35,000 Pa | 36,000 Pa |
| Dustbin (robot) | 235 ml | 245 ml |
| Main brush | Dual main brushes | Single main brush |
| Anti-tangle brush | Yes | Yes |
| Side brushes | 1 | 2 |
| Extending side brush | Yes | Yes |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | Yes |
| HEPA filter | Yes | — |
| Noise level | 55 dB | 67 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), dToF laser, Retractable LiDAR, Wall sensor, Cliff sensors | LiDAR laser (LDS), Retractable LiDAR, Wall sensor, Cliff sensors |
| Retractable LiDAR | Yes | Yes |
| Obstacle avoidance | AI camera | AI camera |
| Threshold climbing | 88 mm | 88 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Roller mop |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | 10.5 mm | 15 mm |
| Automatic mop removal | Yes | — |
| Extending mop (edges) | Yes | Yes |
| 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) | 3.2 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 |
| Plumbed water connection | Yes | — |
| Clean water tank (dock) | 4.2 l | 4 l |
| Dirty water tank (dock) | 3 l | — |
| Battery & runtime | ||
| Battery capacity | 6,400 mAh | 6,400 mAh |
| Runtime | — | 300 min |
| Charging time | 80 min | 150 min |
| Cleaning area per charge | — | 200 m² |
| Size & weight | ||
| Width / diameter | 350 mm | 353 mm |
| Length | 350 mm | 353 mm |
| Height | 80 mm | 90 mm |
| Weight | 4.7 kg | 5 kg |
| Shape | Round | Round |
| Colours | White | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant, Apple Siri |
| Matter | Yes | Yes |
| Live camera view / video call | Yes | Yes |
