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- Z70 Ultra Roller vs Saros 20
Mova Z70 Ultra Roller vs Roborock Saros 20
What Z70 Ultra Roller does better (5) and where Saros 20 wins (3) — every spec side by side.
vs
9.5Cleaning power8.9
9.3Navigation9.6
9.2Mopping8.4
8.8Base station5.4
9.4Battery9.5
Dimensions
Size comparison
Z70 Ultra RollerSaros 20
| Z70 Ultra Roller | Saros 20 | Difference | |
|---|---|---|---|
| Height | 96 mm | 80 mm | +16 mm |
| Width / diameter | 350 mm | 353 mm | −3 mm |
| Length | 350 mm | 353 mm | −3 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Z70 Ultra Roller better than Saros 20?
- Mop typeRoller mop vs Rotating mop pads
- Runtime225 min vs 200 min+12%
- Threshold climbing90 mm vs 88 mm+2%
- Dust bag (dock)4 l vs 2.5 l+60%
- Clean water tank (dock)5.5 l vs 4 l+38%
Why is Saros 20 better than Z70 Ultra Roller?
- Mop lift height13 mm vs 35 mm2.7×
- Height96 mm vs 80 mm+20%
- Charging time180 min vs 150 min+20%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 36,000 Pa | 36,000 Pa |
| Dustbin (robot) | — | 259 ml |
| Main brush | Dual main brushes | Single main brush |
| Anti-tangle brush | Yes | Yes |
| Side brushes | 1 | 1 |
| Extending side brush | Yes | Yes |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | — |
| HEPA filter | Yes | — |
| UV disinfection | Yes | — |
| Noise level | — | 65 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Retractable LiDAR, Wall sensor, Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Retractable LiDAR | Yes | — |
| Obstacle avoidance | AI camera | AI camera |
| Threshold climbing | 90 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 | 13 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) | 4 l | 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 |
| Plumbed water connection | Yes | — |
| Clean water tank (dock) | 5.5 l | 4 l |
| Dirty water tank (dock) | 4.5 l | 3.5 l |
| Battery & runtime | ||
| Battery capacity | 6,400 mAh | 6,400 mAh |
| Runtime | 225 min | 200 min |
| Charging time | 180 min | 150 min |
| Cleaning area per charge | 250 m² | — |
| Size & weight | ||
| Width / diameter | 350 mm | 353 mm |
| Length | 350 mm | 353 mm |
| Height | 96 mm | 80 mm |
| Shape | Round | Round |
| Colours | Black | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant, Apple Siri |
| Matter | — | Yes |
| Live camera view / video call | Yes | Yes |
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