# iRobot Roomba Plus 415 Combo + AutoWash Dock vs iRobot Roomba Plus 515 Combo

As of Nov 12, 2026, the iRobot Roomba Plus 415 Combo + AutoWash Dock costs $600 and the iRobot Roomba Plus 515 Combo costs $430, so the iRobot Roomba Plus 515 Combo is $170 cheaper. The iRobot Roomba Plus 515 Combo scores higher in our ranking (7.0 vs 6.3 out of 10). Pick the iRobot Roomba Plus 415 Combo + AutoWash Dock for clear hard floors and low furniture. Pick the iRobot Roomba Plus 515 Combo for small homes with low sofas and beds.

Prices checked Nov 12, 2026. HTML version: https://robotsforthat.com/vs/irobot-roomba-plus-415-combo-vs-irobot-roomba-plus-515-combo/

## Side by side

| | iRobot Roomba Plus 415 Combo + AutoWash Dock | iRobot Roomba Plus 515 Combo |
|---|---|---|
| Price | $600 | $430 |
| 3 year cost | $600 | $430 |
| Our score | 6.3/10 | 7.0/10 |
| Rank in Floors | #44 | #26 |
| Status | on sale | on sale |
| Warranty | n/a | n/a |
| Suction | 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 | iRobot US says 3x the suction of the Roomba Plus 505 Combo with four levels and gives no Pa figure; Just A Dad Approved lists 22,000 Pa; Lifehacker Japan instead says 3x the Roomba 105 Combo |
| Navigation | ClearView LiDAR, up to 3 maps, about 9 min per 1,000 sq ft (iRobot); Ideal Home found the map accurate and systematic | ClearView LiDAR, up to 3 saved maps for multiple floors, works in the dark (iRobot); Gizmodo Japan reports the LiDAR moved to the front as a 120 degree integrated line laser; Just A Dad Approved found the map slightly off |
| Obstacle avoidance | LiDAR only, no camera; Ideal Home called it the weakest area, with tangles in charging cables and toys pushed aside | Front line laser recognizes cords, shoes, pet bowls, toys, pets and people (iRobot); no camera (Just A Dad Approved), which scored clutter 7/10 but called avoidance weak |
| Mopping | 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 | Yes, two DualClean spinning pads at 180 RPM that lift 10 mm on carpet, with PerfectEdge extension for 18% more edge coverage and a SmartScrub mode (iRobot) |
| Self empty | Yes, sealed bag that lasts up to 3 months (iRobot) | Yes, bagged auto empty into the dock; iRobot says up to 3 months hands free |
| Dock features | Empties, washes pads during mopping, heat dries them at 113°F, refills water and self cleans (iRobot); no detergent compartment per Ideal Home | Empties debris, washes pads with hot water, dries pads at 113 F, refills clean water and takes in dirty water (iRobot). iRobot's page lists the wash as 167 F in one place and 140 F in another; Just A Dad Approved lists 140 F. No cleaning solution tank (Just A Dad Approved) |
| Dustbin | Not published; Just A Dad Approved says the bin fills quickly | n/a |
| Height | 3.29 in (iRobot) | 3.29 in; robot is 11.73 x 11.93 in and 6.44 lb, 46% smaller by volume than the Roomba Plus 505 Combo (iRobot) |
| Pet hair | Ideal Home and Just A Dad Approved both saw hair wrap the brush | Single brush roll with a comb; Just A Dad Approved scored its hair tangle test 5/10 with long hair wrapping, while Gizmodo Japan saw cat and dog hair picked up well |
| App | Roomba Home app with schedules and zones; works with Alexa, Siri and Google Assistant (iRobot) | Roomba Home app with schedules; works with Alexa, Siri and Google Assistant (iRobot); Just A Dad Approved reported repeated Wi-Fi drops and app freezes |
| Weight | 6.44 lb robot (iRobot) | n/a |
| Runtime | n/a | Up to 295 min or 2,000 sq ft per charge with a 5,200 mAh battery (iRobot); one iRobot footnote cites 1,000 sq ft instead |
| Threshold | n/a | 0.98 in (24 mm) per Just A Dad Approved; iRobot does not list a figure |
| Best for | clear hard floors and low furniture | small homes with low sofas and beds |
| Skip if | your floors have cables or pet toys | you need strong obstacle avoidance or have long hair at home |

## What reviewers found

### 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](https://www.idealhome.co.uk/house-manual/floorcare/irobot-roomba-plus-415-combo-review)
- 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](https://justadadapproved.com/product/irobot-roomba-plus-415-robot-vacuum-and-mop-review/)

### iRobot Roomba Plus 515 Combo

- Just A Dad Approved (6.5/10): 3 month real world test: subscores Hassle Free 6.7/10, Mop Performance 7.2/10, Carpet Cleaning 6.4/10, Hair Tangle 5/10, Obstacle Avoidance 7/10. Reported repeated Wi-Fi disconnects that needed hard reboots, hair wrap on the single brush roll, a slightly off map and a filter that can only be replaced. Says the Amazon only 515X is the same robot. [Source](https://justadadapproved.com/product/irobot-roomba-plus-515-combo-review/)
- Lifehacker Japan: Hands on with the Japanese model: measured 8.4 cm tall, cleaned under low sofas and cabinet toe kicks earlier Roombas missed, and avoided a camera placed as an obstacle. The review lists no drawbacks and carries affiliate links. [Source](https://www.lifehacker.jp/article/2606-roomba-plus-515-report/)
- Gizmodo Japan: Reports 8.4 cm height against 10.6 cm for the 505 Combo, a front 120 degree line laser, and good cat and dog hair pickup with less long hair wrap. Figures come from iRobot's launch event, and the article is labeled PR. [Source](https://www.gizmodo.jp/article/roomba-plus-515-combo/)

## Questions buyers ask

### Which is better, the iRobot Roomba Plus 415 Combo + AutoWash Dock or the iRobot Roomba Plus 515 Combo?

The iRobot Roomba Plus 515 Combo scores higher in our ranking (7.0 vs 6.3 out of 10). Pick the iRobot Roomba Plus 415 Combo + AutoWash Dock for clear hard floors and low furniture. Pick the iRobot Roomba Plus 515 Combo for small homes with low sofas and beds.

### Which is cheaper?

The iRobot Roomba Plus 515 Combo at $430, versus $600 for the iRobot Roomba Plus 415 Combo + AutoWash Dock, checked Nov 12, 2026. Over 3 years with running costs: $600 vs $430.

### What is the difference between the Roomba Plus 415 Combo + AutoWash Dock and the Roomba Plus 515 Combo?

Suction: 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, iRobot US says 3x the suction of the Roomba Plus 505 Combo with four levels and gives no… on the Roomba Plus 515 Combo. Navigation: 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, ClearView LiDAR, up to 3 saved maps for multiple floors, works in the dark (iRobot)… on the Roomba Plus 515 Combo. Obstacle avoidance: LiDAR only, no camera; Ideal Home called it the weakest area, with tangles in charging… on the Roomba Plus 415 Combo + AutoWash Dock, Front line laser recognizes cords, shoes, pet bowls, toys, pets and people (iRobot); no… on the Roomba Plus 515 Combo.

Full reviews: [iRobot Roomba Plus 415 Combo + AutoWash Dock](https://robotsforthat.com/robot/irobot-roomba-plus-415-combo/index.md), [iRobot Roomba Plus 515 Combo](https://robotsforthat.com/robot/irobot-roomba-plus-515-combo/index.md)