Updated September 2026
Data from Amazon and official iRobot site.
2026 verdict
iRobot Roomba Plus 515 Combo Robot + AutoWash Dock beats iRobot Roomba 105 in 2026, with its clearest edge on battery life, connectivity, and mopping functionality.
It wins the broader comparison through battery life, connectivity, and mopping functionality, while auto mop washing and auto mop drying help confirm the result. iRobot Roomba 105 is still relevant if you care most about price, but iRobot Roomba Plus 515 Combo Robot + AutoWash Dock is the stronger recommendation overall. That keeps the verdict firmly in favor of iRobot Roomba Plus 515 Combo Robot + AutoWash Dock.
vs
Winner
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| Feature | iRobot Roomba 105 | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock | Winner |
|---|---|---|---|
| Price | $179.99 | $599.99 | iRobot Roomba 105 |
| Battery Life | 200 minutes | 295 minutes | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi, 5 GHz WiFi | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Mopping Functionality | NO | YES | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Auto Mop Washing | NO | YES | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Auto Mop Drying | NO | YES | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Self-Emptying Dustbin | NO | YES | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Rating | 4.2 | 4.2 | Tie |
| Warranty | 1 year | 1 year | Tie |
| Auto Recharge | YES | YES | Tie |
| Integrations | Google Home, Alexa | Google Home, Alexa | Tie |
| Navigation Type | Laser (LiDAR) | Laser (LiDAR) | Tie |
$179.99
- + Price: $179.99
- - Battery Life: 200 minutes vs 295 minutes
- - Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, 5 GHz WiFi
Winner
14% OFF
$599.99
$699.99
- + Battery Life: 295 minutes
- + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi
- + Mopping Functionality: YES
- - Price: $599.99 vs $179.99
Frequently Asked Questions
Which is better overall: iRobot Roomba 105 or iRobot Roomba Plus 515 Combo Robot + AutoWash Dock?
iRobot Roomba Plus 515 Combo Robot + AutoWash Dock has the stronger overall profile in this comparison, especially for battery life, connectivity, and mopping functionality.
What is the biggest difference between iRobot Roomba 105 and iRobot Roomba Plus 515 Combo Robot + AutoWash Dock?
Price is one of the clearest differences: iRobot Roomba 105 lists $179.99, while iRobot Roomba Plus 515 Combo Robot + AutoWash Dock lists $599.99.
Which one looks better on price?
iRobot Roomba 105 is listed at $179.99, while iRobot Roomba Plus 515 Combo Robot + AutoWash Dock is listed at $599.99. iRobot Roomba 105 (better spec).
Who should buy iRobot Roomba 105?
Choose iRobot Roomba 105 if your priority is price and that matters more than battery life.
Who should buy iRobot Roomba Plus 515 Combo Robot + AutoWash Dock?
Choose iRobot Roomba Plus 515 Combo Robot + AutoWash Dock if your priority is battery life and connectivity and that matters more than price.
Full comparison table
Compare all 148 Robot Vacuums side by side
You are looking at two of them. The full table lines up all Robot Vacuums in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 148 Robot Vacuums
- 46 specs compared
- 41 filters
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$1299.00
EcovacsDEEBOT X11S OmniCyclone
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DreameL60 Ultra
10% OFF$1299.99$1169.97
RoborockQrevo Edge 3 Pro
$1499.99
EcovacsDEEBOT X11S PRO Omni
20% OFF$999.99$799.00
NarwalFreo 20
$1099.99
NarwalFlow
$999.99
EufyE25
35% OFF$999.99$649.99
EufyE28
32% OFF$999.99$679.99
EufyOmni S2
$1599.99
NarwalFreo Z10 Ultra
iRobotRoomba Plus 575 Combo Robot + AutoWash Dock
13% OFF$799.99$699.99
Eufy11S MAX
11% OFF$279.99$249.99
EufyOmni C28
38% OFF$799.99$499.99
EufyX10 Pro Omni
31% OFF$699.99$479.99
iRobotRoomba 705X
$1399.99
TikomG8000 Max
$129.99
Robot VacuumsiRobotRoomba 104
3.4(850)$249.99
Robot VacuumsiRobotRoomba 105 Combo
4.2(26,696)47% OFF$319.99$169.99- Robot VacuumsiRobot
Roomba 105
4.2(31,572)$179.99 
Robot VacuumsiRobotRoomba 105X Combo
4.1(13,178)$327.92
Robot VacuumsiRobotRoomba 105X
4.2(26,522)$291.97
Robot VacuumsiRobotRoomba 205
4.2(11,534)$149.99
Robot VacuumsiRobotRoomba 415X
4.2(11,888)6% OFF$799.99$749.99
Robot VacuumsiRobotRoomba 505X
4.2(8,849)21% OFF$999.99$789.99- Robot VacuumsiRobot
Roomba 705X
4.3(13,213)$1399.99 
Robot VacuumsiRobotRoomba Combo 10 Max robot + AutoWash dock
3.0(267)49% OFF$1399.00$709.86
Robot VacuumsiRobotRoomba Max 705 Combo
3.6(4,803)39% OFF$1299.99$799.00
Robot VacuumsiRobotRoomba Max 705
3.8(696)8% OFF$899.99$829.98
Robot VacuumsiRobotRoomba Max 715 Vac Robot + AutoEmpty Dock
3.6(11)14% OFF$699.99$599.99
Robot VacuumsiRobotRoomba Max 775 Combo Robot + AutoWash Dock
3.5(13)20% OFF$999.99$799.99
Robot VacuumsiRobotRoomba Plus 405
3.9(10,208)13% OFF$799.99$699.95
Robot VacuumsiRobotRoomba Plus 415 Combo Robot + AutoWash Dock
4.2(16)17% OFF$599.99$499.99
Robot VacuumsiRobotRoomba Plus 504
3.8(643)$664.99
Robot VacuumsiRobotRoomba Plus 505
4.2(8,839)30% OFF$999.99$699.99
Robot VacuumsiRobotRoomba Plus 507 Combo Robot + AutoWash Dock
$999.99- Robot VacuumsiRobot
Roomba Plus 515 Combo Robot + AutoWash Dock
4.2(4,132)14% OFF$699.99$599.99