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- Q7 TF+ vs Saros 20 Sonic
Roborock Q7 TF+ vs Roborock Saros 20 Sonic
What Q7 TF+ does better (1) and where Saros 20 Sonic wins (8) — every spec side by side.
vs
5.4Cleaning power9.0
4.3Navigation9.3
4.4Mopping7.5
3.2Base station6.0
5.2Battery9.0
Dimensions
Size comparison
Q7 TF+Saros 20 Sonic
| Q7 TF+ | Saros 20 Sonic | Difference | |
|---|---|---|---|
| Height | 99 mm | 80 mm | +19 mm |
| Width / diameter | 325 mm | 353 mm | −28 mm |
| Length | 325 mm | 353 mm | −28 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Q7 TF+ better than Saros 20 Sonic?
- Water tank (robot)280 ml vs 70 ml4×
Why is Saros 20 Sonic better than Q7 TF+?
- Suction power10,000 Pa vs 36,000 Pa3.6×
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Mop typeMop pad vs Vibrating / sonic mop
- Base stationAuto-empty dock vs All-in-one dock (empty + wash)
- Battery capacity3,200 mAh vs 6,400 mAh2×
- Runtime150 min vs 190 min+27%
- Height99 mm vs 80 mm+24%
- Dustbin (robot)200 ml vs 228 ml+14%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 10,000 Pa | 36,000 Pa |
| Dustbin (robot) | 200 ml | 228 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | Yes | Yes |
| Side brushes | 1 | 1 |
| Extending side brush | — | Yes |
| Carpet detection | — | Yes |
| Noise level | 65 dB | 64 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Retractable LiDAR, Wall sensor, Cliff sensors |
| Retractable LiDAR | — | Yes |
| Obstacle avoidance | Basic sensors (infrared / bumper) | AI camera |
| Threshold climbing | — | 88 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Mop pad | Vibrating / sonic mop |
| Mop lifting on carpets | — | Yes |
| Mop lift height | — | 35 mm |
| Automatic mop removal | — | Yes |
| Extending mop (edges) | — | Yes |
| Water tank (robot) | 280 ml | 70 ml |
| Base station | ||
| Base station | Auto-empty dock | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 2.7 l | 2.7 l |
| Mop washing in the dock | — | Yes |
| Hot-water mop washing | — | Yes |
| Hot-air mop drying | — | Yes |
| Automatic water refill | — | Yes |
| Clean water tank (dock) | — | 4 l |
| Dirty water tank (dock) | — | 3.5 l |
| Battery & runtime | ||
| Battery capacity | 3,200 mAh | 6,400 mAh |
| Runtime | 150 min | 190 min |
| Charging time | — | 150 min |
| Cleaning area per charge | 300 m² | — |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | 325 mm | 353 mm |
| Length | 325 mm | 353 mm |
| Height | 99 mm | 80 mm |
| Weight | 4.7 kg | — |
| Shape | Round | Round |
| Colours | Black | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant, Apple Siri |
| Matter | — | Yes |
| Live camera view / video call | — | Yes |
