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- Romo A vs RS20 Max
DJI Romo A vs EZVIZ RS20 Max
What Romo A does better (5) and where RS20 Max wins (6) — every spec side by side.
Dimensions
Size comparison
Romo ARS20 Max
| Romo A | RS20 Max | Difference | |
|---|---|---|---|
| Height | 98 mm | 101 mm | −3 mm |
| Width / diameter | 351 mm | 365 mm | −14 mm |
| Length | 351 mm | 365 mm | −14 mm |
| Weight | 4.4 kg | 4 kg | +0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Romo A better than RS20 Max?
- Suction power25,000 Pa vs 13,000 Pa+92%
- Height98 mm vs 101 mm+3%
- Water tank (robot)164 ml vs 100 ml+64%
- Charging time150 min vs 180 min+20%
- Noise level56 dB vs 65 dB+16%
Why is RS20 Max better than Romo A?
- Runtime180 min vs 190 min+6%
- Dust bag (dock)2.4 l vs 5 l2.1×
- Cleaning area per charge178 m² vs 300 m²+69%
- Battery capacity5,000 mAh vs 5,200 mAh+4%
- Dustbin (robot)260 ml vs 350 ml+35%
- Clean water tank (dock)4 l vs 5 l+25%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 25,000 Pa | 13,000 Pa |
| Dustbin (robot) | 260 ml | 350 ml |
| Main brush | Dual main brushes | Single main brush |
| Anti-tangle brush | Yes | Yes |
| Side brushes | 2 | 2 |
| 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, Ultrasonic sensor | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor |
| Obstacle avoidance | AI camera | AI camera |
| Threshold climbing | — | 20 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) | 164 ml | 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) | 2.4 l | 5 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) | 4 l | 5 l |
| Dirty water tank (dock) | 3.2 l | 4.2 l |
| Battery & runtime | ||
| Battery capacity | 5,000 mAh | 5,200 mAh |
| Runtime | 180 min | 190 min |
| Charging time | 150 min | 180 min |
| Cleaning area per charge | 178 m² | 300 m² |
| Size & weight | ||
| Width / diameter | 351 mm | 365 mm |
| Length | 351 mm | 365 mm |
| Height | 98 mm | 101 mm |
| Weight | 4.4 kg | 4 kg |
| Shape | Round | Round |
| Colours | Transparent, White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant, Apple Siri |
| Live camera view / video call | Yes | Yes |
