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- Roomba Plus 505 Combo vs QR 798
iRobot Roomba Plus 505 Combo vs Roborock QR 798
What Roomba Plus 505 Combo does better (1) and where QR 798 wins (4) — every spec side by side.
vs
5.1Cleaning power6.8
5.8Navigation4.3
7.8Mopping6.5
4.6Base station8.8
6.9Battery6.2
Dimensions
Size comparison
Roomba Plus 505 ComboQR 798
| Roomba Plus 505 Combo | QR 798 | Difference | |
|---|---|---|---|
| Height | 106 mm | 96 mm | +10 mm |
| Width / diameter | 357 mm | 353 mm | +4 mm |
| Length | 357 mm | 353 mm | +4 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba Plus 505 Combo better than QR 798?
- Charging time240 min vs 360 min+50%
Why is QR 798 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 2.7 l+59%
- Clean water tank (dock)3 l vs 3.5 l+17%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 7,000 Pa | 10,000 Pa |
| Dustbin (robot) | — | 330 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | 1 | 1 |
| Carpet detection | Yes | Yes |
| Dirt detection | 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 | — |
| 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 | — | 10 mm |
| Extending mop (edges) | Yes | — |
| Water tank (robot) | — | 80 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) | 1.7 l | 2.7 l |
| Mop washing in the dock | Yes | Yes |
| Hot-air mop drying | Yes | — |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 3 l | 3.5 l |
| Dirty water tank (dock) | 2.5 l | — |
| Battery & runtime | ||
| Battery capacity | — | 5,200 mAh |
| Runtime | 180 min | 180 min |
| Charging time | 240 min | 360 min |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 357 mm | 353 mm |
| Length | 357 mm | 353 mm |
| Height | 106 mm | 96 mm |
| Weight | 4.3 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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