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- D20 vs Roomba 115 Combo
Dreame D20 vs iRobot Roomba 115 Combo
What D20 does better (1) and where Roomba 115 Combo wins (2) — every spec side by side.
vs
7.3Cleaning power8.1
5.8Navigation4.3
5.2Mopping5.4
Dimensions
Size comparison
D20Roomba 115 Combo
| D20 | Roomba 115 Combo | Difference | |
|---|---|---|---|
| Height | 97 mm | 79 mm | +18 mm |
| Width / diameter | 350 mm | 303 mm | +47 mm |
| Length | 350 mm | 303 mm | +47 mm |
| Weight | 3.5 kg | 2.2 kg | +1.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is D20 better than Roomba 115 Combo?
- Battery capacity5,200 mAh vs 2,600 mAh2×
Why is Roomba 115 Combo better than D20?
- Suction power13,000 Pa vs 15,000 Pa+15%
- Height97 mm vs 79 mm+23%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 13,000 Pa | 15,000 Pa |
| Dustbin (robot) | 700 ml | — |
| Main brush | Dual main brushes | Single main brush |
| Anti-tangle brush | Yes | Yes |
| Side brushes | 1 | 1 |
| Carpet detection | — | Yes |
| Noise level | 74 dB | — |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor, 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 | Mop pad | Mop pad |
| Extending mop (edges) | — | Yes |
| Water tank (robot) | 350 ml | — |
| Base station | ||
| Base station | Charging dock | Charging dock |
| Dust bag (dock) | — | 2.5 l |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 2,600 mAh |
| Runtime | 285 min | — |
| Charging time | 360 min | — |
| Size & weight | ||
| Width / diameter | 350 mm | 303 mm |
| Length | 350 mm | 303 mm |
| Height | 97 mm | 79 mm |
| Weight | 3.5 kg | 2.2 kg |
| Shape | Round | Round |
| Colours | Black | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant, Apple Siri |
