Dreame D20 vs iRobot Roomba 115 Combo
Technical comparison · Robot vacuums and mops
Dreame D20 and iRobot Roomba 115 Combo differ in declared data server region and main brush type; on the measurable specs neither model is ahead: the differences are of design, not of level.
| Parameter |
D20
Dreame
F1 · Entry
|
Roomba 115 Combo
iRobot
F1 · Entry
|
|---|---|---|
| Awards | — | |
| Identity | ||
| Launch year | 2025 | — |
| Use tier | F1 — Entry | F1 — Entry |
| Price | ||
| Price | ~90–200 € | ~200–450 € |
| Price updated on | 09/2026 | 09/2026 |
| Universal specs | ||
| Dimensions (W×D×H) | 35 × 35 × 9.69 cm | 29.8 × 30.3 × 7.89 cm |
| Weight | 3.51 kg | 2.15 kg |
| Category specs | ||
| Cleaning functions | Vacuums, Mops | Vacuums, Mops |
| Availability in Europe | On sale | On sale |
| Suction power | 13000 Pa | 15000 Pa |
| Navigation system | Rotating LiDAR | Rotating LiDAR |
| Release year | 2025 | — |
| Onboard camera | No | — |
| Obstacle avoidance | Contact bumper only | — |
| Onboard microphone | No | — |
| Where object recognition runs | No object recognition | — |
| Robot height | 96.9 mm | — |
| Declared data server region | European Union | Multiple regions |
| Robot diameter | 350 mm | — |
| Maximum threshold height | 20 mm | — |
| Battery capacity | 5200 mAh | — |
| Works offline | Yes | — |
| Runtime | 285 min | — |
| Charging time | 360 min | — |
| Dustbin capacity | 700 ml | — |
| Water tank capacity | 350 ml | — |
| Mopping system | Dragged pad, no pressure | Dragged pad, no pressure |
| Repairability index (France) | 8.1 /10 | — |
| Wi-Fi bands | 2.4 GHz | 2.4 GHz |
| App | Dreamehome | Roomba Home |
| Main brush type | Bristles and rubber | Bristles |
| Anti-tangle declared | Yes | — |
| Filter type | Washable | Standard |
| Carpet handling | — | Avoids the carpet |
| Cliff sensors | Yes | Yes |
| Saved maps (floors) | — | 3 |
| User-replaceable battery | No | — |
CobotCompare Awards
Most capable Entry
Highest technical score among the 4 sheets in the Robot vacuums and mops category (entry-level tier): 100/100.
How we assign awards →Best value Entry
Best ratio of technical score to price among the 4 sheets in the Robot vacuums and mops category (entry-level tier): technical score 100/100. The price used is the sheet's estimated range.
How we assign awards →No awards in this tier.
The differences that matter
- Declared data server region: Dreame D20 European Union · iRobot Roomba 115 Combo Multiple regions
- Main brush type: Dreame D20 Bristles and rubber · iRobot Roomba 115 Combo Bristles
- Filter type: Dreame D20 Washable · iRobot Roomba 115 Combo Standard
In short
Dreame D20
Design differences: declared data server region: european Union; main brush type: bristles and rubber; filter type: washable.
iRobot Roomba 115 Combo
Design differences: declared data server region: multiple regions; main brush type: bristles; filter type: standard.
This comparison points to the two product pages, where you'll find the complete data and the official links.