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- QR 798 vs Robot Vacuum X20 Pro
Roborock QR 798 vs Xiaomi Robot Vacuum X20 Pro
What QR 798 does better (3) and where Robot Vacuum X20 Pro wins (2) — every spec side by side.
vs
6.8Cleaning power5.0
4.3Navigation8.2
6.5Mopping6.7
8.8Base station7.4
6.2Battery5.2
Dimensions
Size comparison
QR 798Robot Vacuum X20 Pro
| QR 798 | Robot Vacuum X20 Pro | Difference | |
|---|---|---|---|
| Height | 96 mm | 97 mm | −1 mm |
| Width / diameter | 353 mm | 350 mm | +3 mm |
| Length | 353 mm | 350 mm | +3 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is QR 798 better than Robot Vacuum X20 Pro?
- Suction power10,000 Pa vs 7,000 Pa+43%
- Runtime180 min vs 160 min+12%
- Dust bag (dock)2.7 l vs 2.5 l+8%
Why is Robot Vacuum X20 Pro better than QR 798?
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Clean water tank (dock)3.5 l vs 4 l+14%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 10,000 Pa | 7,000 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 |
| Noise level | 64 dB | — |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor |
| Obstacle avoidance | Basic sensors (infrared / bumper) | AI camera |
| 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 | 10 mm |
| 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) | 2.7 l | 2.5 l |
| Mop washing in the dock | Yes | Yes |
| Hot-air mop drying | — | Yes |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 3.5 l | 4 l |
| Dirty water tank (dock) | — | 3.8 l |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 5,200 mAh |
| Runtime | 180 min | 160 min |
| Charging time | 360 min | 360 min |
| Cleaning area per charge | — | 120 m² |
| Size & weight | ||
| Width / diameter | 353 mm | 350 mm |
| Length | 353 mm | 350 mm |
| Height | 96 mm | 97 mm |
| Weight | — | 3.7 kg |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant |
