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- RS20 Max vs Z50 Ultra
EZVIZ RS20 Max vs Mova Z50 Ultra
What RS20 Max does better (6) and where Z50 Ultra wins (3) — every spec side by side.
Dimensions
Size comparison
RS20 MaxZ50 Ultra
| RS20 Max | Z50 Ultra | Difference | |
|---|---|---|---|
| Height | 101 mm | 111 mm | −10 mm |
| Width / diameter | 365 mm | 350 mm | +15 mm |
| Length | 365 mm | 350 mm | +15 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is RS20 Max better than Z50 Ultra?
- Runtime190 min vs 140 min+36%
- Height101 mm vs 111 mm+10%
- Charging time180 min vs 240 min+33%
- Dust bag (dock)5 l vs 4 l+25%
- Dustbin (robot)350 ml vs 300 ml+17%
- Clean water tank (dock)5 l vs 4.5 l+11%
Why is Z50 Ultra better than RS20 Max?
- Suction power13,000 Pa vs 19,000 Pa+46%
- Battery capacity5,200 mAh vs 6,400 mAh+23%
- Threshold climbing20 mm vs 22 mm+10%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 13,000 Pa | 19,000 Pa |
| Dustbin (robot) | 350 ml | 300 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | Yes | Yes |
| Side brushes | 2 | 1 |
| Extending side brush | — | Yes |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | Yes |
| Noise level | 65 dB | — |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor | LiDAR laser (LDS), Cliff sensors |
| Obstacle avoidance | AI camera | AI camera |
| Threshold climbing | 20 mm | 22 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Rotating mop pads |
| Mop lifting on carpets | — | Yes |
| Automatic mop removal | Yes | — |
| Extending mop (edges) | — | Yes |
| Water tank (robot) | 100 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) | 5 l | 4 l |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | Yes |
| Hot-air mop drying | Yes | — |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 5 l | 4.5 l |
| Dirty water tank (dock) | 4.2 l | 4 l |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 6,400 mAh |
| Runtime | 190 min | 140 min |
| Charging time | 180 min | 240 min |
| Cleaning area per charge | 300 m² | — |
| Size & weight | ||
| Width / diameter | 365 mm | 350 mm |
| Length | 365 mm | 350 mm |
| Height | 101 mm | 111 mm |
| Weight | 4 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 |
| Live camera view / video call | Yes | — |
