Dreame D20 Air Plus vs iRobot Roomba Plus 515 Combo + AutoWash Dock
Technical comparison · Robot vacuums and mops
Dreame D20 Air Plus and iRobot Roomba Plus 515 Combo + AutoWash Dock are not direct competitors: far-apart price bands. Dreame D20 Air Plus is the entry model, iRobot Roomba Plus 515 Combo + AutoWash Dock the higher-class one: the comparison shows what changes moving up a class, not which of the two is better.
| Parameter |
D20 Air Plus
Dreame
F2 · Intermediate
|
Roomba Plus 515 Combo + AutoWash Dock
iRobot
F3 · Advanced
|
|---|---|---|
| Awards | — | |
| Identity | ||
| Launch year | — | 2025 |
| Use tier | F2 — Intermediate | F3 — Advanced |
| Price | ||
| Price | ~90–200 € | ~450–1000 € |
| Price updated on | 09/2026 | 09/2026 |
| Universal specs | ||
| Dimensions (W×D×H) | — | 29.8 × 30.3 × 8.35 cm |
| Weight | — | 2.9 kg |
| Category specs | ||
| Cleaning functions | Vacuums, Mops | Vacuums, Mops |
| Availability in Europe | On sale | On sale |
| Suction power | 20000 Pa | 22000 Pa |
| Navigation system | Rotating LiDAR | Rotating LiDAR |
| Release year | — | 2025 |
| Onboard camera | No | No |
| Obstacle avoidance | Contact bumper only | Contact bumper only |
| Onboard microphone | No | No |
| Where object recognition runs | No object recognition | No object recognition |
| Declared data server region | European Union | Multiple regions |
| Battery capacity | 3200 mAh | — |
| Runtime | 150 min | 295 min |
| Charging time | 270 min | — |
| Water tank capacity | 280 ml | — |
| Mopping system | Dragged pad, no pressure | Rotating discs |
| Mop lifting height | — | 10 mm |
| Extending mop for edges | — | Yes |
| Dock functions | Automatic emptying | Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying |
| Wi-Fi bands | 2.4 GHz | — |
| App | Dreamehome | — |
| Mop washing water temperature | — | 75 °C |
| Days between bag changes | 120 giorni | — |
| Dock width | — | 340 mm |
| Dock depth | — | 330 mm |
| Dock height | — | 485 mm |
| Anti-tangle declared | Yes | — |
| Filter type | HEPA | Standard |
| Carpet handling | Detects the carpet, Boosts suction | Detects the carpet, Lifts the mop |
| Cliff sensors | Yes | — |
| Saved maps (floors) | — | 3 |
| User-replaceable battery | No | — |
CobotCompare Awards
Best value Intermediate
Best ratio of technical score to price among the 5 sheets in the Robot vacuums and mops category (intermediate tier): technical score 33/100. The price used is the sheet's estimated range.
How we assign awards →Lowest price range Intermediate
The lowest estimated price range among the sheets in the Robot vacuums and mops category (intermediate tier): 90–200 €. It is an editorial estimate, not a selling price.
How we assign awards →No awards in this tier.
The differences that matter
- Runtime: Dreame D20 Air Plus 150 min vs iRobot Roomba Plus 515 Combo + AutoWash Dock 295 min
- Declared data server region: Dreame D20 Air Plus European Union · iRobot Roomba Plus 515 Combo + AutoWash Dock Multiple regions
- Mopping system: Dreame D20 Air Plus Dragged pad, no pressure · iRobot Roomba Plus 515 Combo + AutoWash Dock Rotating discs
- Dock functions: Dreame D20 Air Plus Automatic emptying · iRobot Roomba Plus 515 Combo + AutoWash Dock Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying
- Filter type: Dreame D20 Air Plus HEPA · iRobot Roomba Plus 515 Combo + AutoWash Dock Standard
In short
iRobot Roomba Plus 515 Combo + AutoWash Dock
Measurable advantages: runtime.
This comparison points to the two product pages, where you'll find the complete data and the official links.