Dreame D20 Air Plus vs iRobot Roomba Plus 415 Combo + AutoWash Dock
Researched by Riley Hart · prices checked Nov 4, 2026
As of Nov 4, 2026, the Dreame D20 Air Plus costs $350 and the iRobot Roomba Plus 415 Combo + AutoWash Dock costs $380, so the Dreame D20 Air Plus is $30 cheaper. The iRobot Roomba Plus 415 Combo + AutoWash Dock has a published review score and ranks #27 in our robot vacuums ranking; the Dreame D20 Air Plus is not scored yet. Pick the Dreame D20 Air Plus for hard floor homes on a budget that want auto empty. Pick the iRobot Roomba Plus 415 Combo + AutoWash Dock for clear hard floors and low furniture. They split the points we can measure, 1 each.
Who wins, point by point
They split the points we can measure, 1 each. Built from today's prices, the specs and independent tests for these two robots.
| D20 Air Plus | iRobot Roomba Plus 415 Combo + AutoWash Dock | Winner | |
|---|---|---|---|
| Price today | $350 | $380 | D20 Air Plus |
| Suction | 20,000 Pa | 20,000 Pa | Tie |
| Robot height (fits under furniture) | 3.7 in (tested) | 3.29 in | iRobot Roomba Plus 415 Combo + AutoWash Dock |
- You want to spend less (saves $30)
- Best for hard floor homes on a budget that want auto empty
- You care most about robot height (fits under furniture) (3.29 in vs 3.7 in (tested))
- Best for clear hard floors and low furniture
- Suction
- 20,000 Pa claimed
- Navigation
- LiDAR
- Mopping
- Yes
- Runtime
- Up to 150 min from
Budget LiDAR robot with 20,000 Pa and a 120 day auto empty bag
Full Dreame D20 Air Plus review, pros and cons →- Suction
- 20,000 Pa
- Navigation
- ClearView LiDAR
- Mopping
- Yes
Slim spinning mop Roomba with a wash and dry dock for $600
Full iRobot Roomba Plus 415 Combo + AutoWash Dock review, pros and cons →Side by side
| Dreame D20 Air Plus | iRobot Roomba Plus 415 Combo + AutoWash Dock | |
|---|---|---|
| Price | $350 | $380 |
| 3 year cost | $350 | $380 |
| Our score | Not scored yet | 7.0/10 |
| Rank in Floors | #53 | #27 |
| Status | on sale | on sale |
| Warranty | 3 years (Dreame US store) | n/a |
| Suction | 20,000 Pa claimed (Dreame), with Quiet, Standard, Intense and Max levels (PCWorld) | 20,000 Pa (Ideal Home, Just A Dad Approved); iRobot's US page says 2.8X the Roomba Plus 405 Combo, while Ideal Home says 2.8 times the older Roomba 505 |
| Navigation | LiDAR with up to 4 saved maps, 3D map and no go zones (Dreame); Android Authority found it navigates well and rarely hit furniture | ClearView LiDAR, up to 3 maps, about 9 min per 1,000 sq ft (iRobot); Ideal Home found the map accurate and systematic |
| Obstacle avoidance | No camera; LiDAR, front bumper and cliff sensors only (Android Authority, PCWorld). Android Authority saw it shove a plastic tub and fold a small mat | LiDAR only, no camera; Ideal Home called it the weakest area, with tangles in charging cables and toys pushed aside |
| Mopping | Yes, flat pad with a 280 mL water tank (Dreame) and 32 water levels (Android Authority); no mop lift and no pad washing in the dock (PCWorld) | Yes, two DualClean pads at 200 RPM with SmartScrub and 10 mm lift on rugs (iRobot); Ideal Home cleared a BBQ sauce spill in one pass |
| Self empty | Yes, 4 L dust bag, up to 120 days per Dreame in house lab calculation | Yes, sealed bag that lasts up to 3 months (iRobot) |
| Dock features | Auto empty and charging only; small dock at 293 x 201 x 266.5 mm (Dreame) with a power switch on the back (PCWorld) | Empties, washes pads during mopping, heat dries them at 113°F, refills water and self cleans (iRobot); no detergent compartment per Ideal Home |
| Runtime | Up to 150 min from a 3,200 mAh battery, about 140 m2 in quiet mode (Dreame); Android Authority cleaned about 463 sq ft in about 57 min using 73% battery | n/a |
| Dustbin | 220 mL robot bin (Dreame) plus 4 L dock bag | Not published; Just A Dad Approved says the bin fills quickly |
| Height | 94.7 mm, about 3.7 in (Dreame; Android Authority also measured 3.7 in) | 3.29 in (iRobot) |
| Pet hair | PCWorld said it picked up its greyhound's hair; no review measured pet hair pickup | Ideal Home and Just A Dad Approved both saw hair wrap the brush |
| App | Dreame app with carpet settings, floor direction, 3D maps, zones and no go areas; works with Alexa, Google Home and Siri (Dreame) | Roomba Home app with schedules and zones; works with Alexa, Siri and Google Assistant (iRobot) |
| Noise | No dB figure from Dreame; Android Authority and PCWorld both found it louder than average for a robot, and louder on carpet (PCWorld) | n/a |
| Weight | n/a | 6.44 lb robot (iRobot) |
| Best for | hard floor homes on a budget that want auto empty | clear hard floors and low furniture |
| Skip if | you need real mopping or camera obstacle avoidance | your floors have cables or pet toys |
Specs are maker claims unless a reviewer is named. Prices from the stores we link, checked daily.
What reviewers found
Dreame D20 Air Plus
- Android Authority: Tested at home over several runs: cleaned about 400 sq ft in 48 min on 80% battery, then about 463 sq ft in 57 min on 73%. Navigation was good, but it shoved angled leg items and folded a small mat. Mop works only as a damp touch up. Given the AA Recommended badge, no numeric score. Source
- PCWorld: Tested in a split level home on hard floors and rugs: good vacuuming for the price, picked up greyhound hair, cleaned under a low entertainment center and finished a downstairs area in about 33 min with 77% battery left. It repeatedly nudged a mat and the mop is basic. Source
iRobot Roomba Plus 415 Combo + AutoWash Dock
- Ideal Home: UK test: cleared a BBQ sauce spill in one pass and reached skirting boards, but tangled in charging cables, pushed toys and wrapped hair on the roller. Notes 45°C pad drying versus 75°C washes on some rivals. Source
- Just A Dad Approved (6.2/10): Three months of home use: hassle free 7/10, mop 6/10, carpet 6/10, hair tangle 5/10, clutter 7/10. Pads occasionally detached and it missed cords and small objects. Source
Questions buyers ask
Which is better, the Dreame D20 Air Plus or the iRobot Roomba Plus 415 Combo + AutoWash Dock?
The iRobot Roomba Plus 415 Combo + AutoWash Dock has a published review score and ranks #27 in our robot vacuums ranking; the Dreame D20 Air Plus is not scored yet. Pick the Dreame D20 Air Plus for hard floor homes on a budget that want auto empty. Pick the iRobot Roomba Plus 415 Combo + AutoWash Dock for clear hard floors and low furniture.
Which is cheaper?
The Dreame D20 Air Plus at $350, versus $380 for the iRobot Roomba Plus 415 Combo + AutoWash Dock, checked Nov 4, 2026. Over 3 years with running costs: $350 vs $380.
What is the difference between the D20 Air Plus and the Roomba Plus 415 Combo + AutoWash Dock?
Suction: 20,000 Pa claimed (Dreame), with Quiet, Standard, Intense and Max levels (PCWorld) on the D20 Air Plus, 20,000 Pa (Ideal Home, Just A Dad Approved); iRobot's US page says 2.8X the Roomba Plus… on the Roomba Plus 415 Combo + AutoWash Dock. Navigation: LiDAR with up to 4 saved maps, 3D map and no go zones (Dreame); Android Authority found… on the D20 Air Plus, ClearView LiDAR, up to 3 maps, about 9 min per 1,000 sq ft (iRobot); Ideal Home found… on the Roomba Plus 415 Combo + AutoWash Dock. Obstacle avoidance: No camera; LiDAR, front bumper and cliff sensors only (Android Authority, PCWorld)… on the D20 Air Plus, LiDAR only, no camera; Ideal Home called it the weakest area, with tangles in charging… on the Roomba Plus 415 Combo + AutoWash Dock.
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