iRobot Roomba Max 775 Combo
For homes with mixed floors that want a roller mop with a hot-wash, heat-dry dock from iRobot; the Plus 678 has similar features for less.
Amazon $699.99$699.99
The iRobot Roomba Max 775 Combo is the better robot vacuum overall, rated 4.0 to 3.9. The iRobot Roomba Max 775 Combo leads on navigation and mopping. The iRobot Roomba Plus 415 Combo wins on value. The iRobot Roomba Plus 415 Combo costs $115.97 less ($584.02 vs $699.99).
Prices were last checked November 11, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
iRobot Roomba Plus 415 Combo
A low-profile entry to iRobot’s self-washing mop docks for hard-floor homes; the Plus 515 adds hot-water washing for a little more.
Amazon $584.02$584.02
Which should you buy?
- Choose the iRobot Roomba Max 775 Combo for navigation (LiDAR + camera vs LiDAR) and mopping (Roller, extends to edges vs Dual spinning pads, lifts 10 mm, extends to edges).
- Choose the iRobot Roomba Plus 415 Combo for value ($584 vs $700).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.
| Factor weight | iRobot Roomba Max 775 Combo | iRobot Roomba Plus 415 Combo |
|---|---|---|
| Overall rating | 4.0/5 | 3.9/5 |
| Cleaning 30% | 48 not yet tested; estimated from 3 tested iRobot robots and the median of the 80 tested robots | 48 not yet tested; estimated from 3 tested iRobot robots and the median of the 80 tested robots |
| Value 25% | 58 $700 | 69 $584 |
| Dock 20% | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent | 100 Self-empties the bin, washes the mop, hot-air mop drying |
| Navigation 15% | 100 LiDAR + camera | 65 LiDAR |
| Mopping 10% | 85 Roller, extends to edges | 76 Dual spinning pads, lifts 10 mm, extends to edges |
Specifications
| iRobot Roomba Max 775 Combo | iRobot Roomba Plus 415 Combo | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 30,000 Pa | - |
| Main brush | dual rubber brushes | tangle-free rubber brushes |
| Extending side brush | Yes | Yes |
| Mopping | ||
| Mop | Roller, extends to edges | Dual spinning pads, lifts 10 mm, extends to edges |
| Mop lift | - | 10 mm |
| Leaves mop at dock | No | No |
| Extending mop | Yes | Yes |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | - |
| Hot-air drying | Yes | Yes |
| Detergent dosing | Yes | - |
| Navigation & app | ||
| Navigation | LiDAR + camera | LiDAR |
| Obstacle avoidance | PrecisionVision AI camera object recognition | Object sensing (sensor type not given) |
| Build | ||
| Height | 4.1 in (104 mm) | 3.3 in (84 mm) |
| Battery | 6,000 mAh | 5,200 mAh |
| Weight | 12.8 lb (5.8 kg) | 6.4 lb (2.9 kg) |
| Warranty | 1 year | - |
| Released | 2026-07 | 2026-07 |