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- Roomba Plus 505 Combo vs RoboStar iQ900 Ultra
iRobot Roomba Plus 505 Combo vs TESLA RoboStar iQ900 Ultra
What Roomba Plus 505 Combo does better (3) and where RoboStar iQ900 Ultra wins (4) — every spec side by side.
vs
5.1Cleaning power6.2
5.8Navigation5.8
7.8Mopping8.6
4.6Base station3.9
6.9Battery6.0
Dimensions
Size comparison
Roomba Plus 505 ComboRoboStar iQ900 Ultra
| Roomba Plus 505 Combo | RoboStar iQ900 Ultra | Difference | |
|---|---|---|---|
| Height | 106 mm | 96 mm | +10 mm |
| Width / diameter | 357 mm | 320 mm | +37 mm |
| Length | 357 mm | 320 mm | +37 mm |
| Weight | 4.3 kg | 3.1 kg | +1.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba Plus 505 Combo better than RoboStar iQ900 Ultra?
- Base stationAll-in-one dock (empty + wash) vs Auto-empty dock
- Runtime180 min vs 168 min+7%
- Charging time240 min vs 270 min+12%
Why is RoboStar iQ900 Ultra better than Roomba Plus 505 Combo?
- Suction power7,000 Pa vs 10,000 Pa+43%
- Height106 mm vs 96 mm+10%
- Dust bag (dock)1.7 l vs 3 l+76%
- Clean water tank (dock)3 l vs 4.6 l+53%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 7,000 Pa | 10,000 Pa |
| Dustbin (robot) | — | 280 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 1 | 1 |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | — |
| HEPA filter | — | Yes |
| Noise level | — | 64 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | 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 | Yes |
| Mop lift height | — | 15 mm |
| Extending mop (edges) | Yes | Yes |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | Auto-empty dock |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 1.7 l | 3 l |
| Mop washing in the dock | Yes | — |
| Hot-air mop drying | Yes | — |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 3 l | 4.6 l |
| Dirty water tank (dock) | 2.5 l | 4.6 l |
| Battery & runtime | ||
| Battery capacity | — | 5,200 mAh |
| Runtime | 180 min | 168 min |
| Charging time | 240 min | 270 min |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 357 mm | 320 mm |
| Length | 357 mm | 320 mm |
| Height | 106 mm | 96 mm |
| Weight | 4.3 kg | 3.1 kg |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | — |
| Remote control | Yes | — |
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