Winner
Updated September 2026
Data from Amazon and official iRobot and Shark sites.
2026 verdict
Across the 2026 comparison, iRobot Roomba Plus 515 Combo Robot + AutoWash Dock earns the nod over Shark PowerDetect Self-Empty on the strength of battery life, connectivity, and mopping functionality.
Its strongest advantages show up in battery life, connectivity, and mopping functionality, with auto mop washing and auto mop drying helping widen the gap. There is still a case for Shark PowerDetect Self-Empty, but mainly if price and integrations are what you value most. That is enough to make iRobot Roomba Plus 515 Combo Robot + AutoWash Dock the better pick for most buyers.
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| Feature | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock | Shark PowerDetect Self-Empty | Winner |
|---|---|---|---|
| Price | $599.99 | $549.99 | Shark PowerDetect Self-Empty |
| Battery Life | 295 minutes | 110 minutes | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Connectivity | 2.4 GHz WiFi, 5 GHz WiFi | 2.4 GHz WiFi | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Integrations | Google Home, Alexa | Google Home, Alexa, Home Assistant | Shark PowerDetect Self-Empty |
| Mopping Functionality | YES | NO | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Auto Mop Washing | YES | NO | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Auto Mop Drying | YES | NO | 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 |
| Navigation Type | Laser (LiDAR) | Laser (LiDAR) | Tie |
| Obstacle Detection | YES | YES | Tie |
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 $549.99
- - Integrations: Google Home, Alexa vs Google Home, Alexa, Home Assistant
$549.99
- + Price: $549.99
- + Integrations: Google Home, Alexa, Home Assistant
- - Battery Life: 110 minutes vs 295 minutes
- - Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, 5 GHz WiFi
Frequently Asked Questions
Which is better overall: iRobot Roomba Plus 515 Combo Robot + AutoWash Dock or Shark PowerDetect Self-Empty?
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 Plus 515 Combo Robot + AutoWash Dock and Shark PowerDetect Self-Empty?
Price is one of the clearest differences: iRobot Roomba Plus 515 Combo Robot + AutoWash Dock lists $599.99, while Shark PowerDetect Self-Empty lists $549.99.
Which one looks better on price?
iRobot Roomba Plus 515 Combo Robot + AutoWash Dock is listed at $599.99, while Shark PowerDetect Self-Empty is listed at $549.99. Shark PowerDetect Self-Empty (better spec).
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.
Who should buy Shark PowerDetect Self-Empty?
Choose Shark PowerDetect Self-Empty if your priority is price and integrations and that matters more than battery life.
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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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
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NarwalFreo Z10 Ultra
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EufyOmni C28
38% OFF$799.99$499.99
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31% OFF$699.99$479.99
iRobotRoomba 705X
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Robot VacuumsiRobotRoomba 105 Combo
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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
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4.3(13,213)$1399.99 
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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
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4.2(4,132)14% OFF$699.99$599.99
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4.0(35,970)$459.99
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4.0(35,975)$269.99
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4.0(7,618)38% OFF$449.99$279.95
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4.0(17,920)$791.47
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4.0(2,216)20% OFF$999.99$799.95
Robot VacuumsSharkPowerDetect Self-Empty
4.2(3,655)$549.99
Robot VacuumsSharkPowerDetect ThermaCharged RV2920XE
4.3(288)8% OFF$1199.99$1099.95
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4.0(134)42% OFF$1299.99$749.99
Robot VacuumsSharkStratos NeverTouch RV2720ZE
4.1(3,656)31% OFF$799.99$549.99