Winner
Updated September 2026
Data from Amazon and official iRobot and Shark sites.
2026 verdict
iRobot Roomba Plus 515 Combo Robot + AutoWash Dock wins the 2026 matchup against Shark PowerDetect ThermaCharged RV2920XE, mainly on price, battery life, and connectivity.
It wins the broader comparison through price, battery life, and connectivity, while its broader overall balance helps confirm the result. Choose Shark PowerDetect ThermaCharged RV2920XE only if rating, warranty, and integrations matter more to you than the broader advantage from iRobot Roomba Plus 515 Combo Robot + AutoWash Dock. For the average buyer, iRobot Roomba Plus 515 Combo Robot + AutoWash Dock is the safer choice.
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| Feature | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock | Shark PowerDetect ThermaCharged RV2920XE | Winner |
|---|---|---|---|
| Price | $599.99 | $1099.95 | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Rating | 4.2 | 4.3 | Shark PowerDetect ThermaCharged RV2920XE |
| Warranty | 1 year | 2 years | Shark PowerDetect ThermaCharged RV2920XE |
| Battery Life | 295 minutes | 180 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 ThermaCharged RV2920XE |
| Auto Recharge | YES | YES | Tie |
| Navigation Type | Laser (LiDAR) | Laser (LiDAR) | Tie |
| Obstacle Detection | YES | YES | Tie |
| Cliff Detection | YES | YES | Tie |
| Multi-Room Mapping | YES | YES | Tie |
| No-Go Zones | YES | YES | Tie |
Winner
14% OFF
$599.99
$699.99
- + Price: $599.99
- + Battery Life: 295 minutes
- + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi
- - Rating: 4.2 vs 4.3
- - Warranty: 1 year vs 2 years
8% OFF
$1099.95
$1199.99
- + Rating: 4.3
- + Warranty: 2 years
- + Integrations: Google Home, Alexa, Home Assistant
- - Price: $1099.95 vs $599.99
- - Battery Life: 180 minutes vs 295 minutes
Frequently Asked Questions
Which is better overall: iRobot Roomba Plus 515 Combo Robot + AutoWash Dock or Shark PowerDetect ThermaCharged RV2920XE?
iRobot Roomba Plus 515 Combo Robot + AutoWash Dock has the stronger overall profile in this comparison, especially for price, battery life, and connectivity.
What is the biggest difference between iRobot Roomba Plus 515 Combo Robot + AutoWash Dock and Shark PowerDetect ThermaCharged RV2920XE?
Price is one of the clearest differences: iRobot Roomba Plus 515 Combo Robot + AutoWash Dock lists $599.99, while Shark PowerDetect ThermaCharged RV2920XE lists $1099.95.
Which one looks better on price?
iRobot Roomba Plus 515 Combo Robot + AutoWash Dock is listed at $599.99, while Shark PowerDetect ThermaCharged RV2920XE is listed at $1099.95. iRobot Roomba Plus 515 Combo Robot + AutoWash Dock (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 price and battery life and that matters more than rating.
Who should buy Shark PowerDetect ThermaCharged RV2920XE?
Choose Shark PowerDetect ThermaCharged RV2920XE if your priority is rating and warranty 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
DreameX60 Pro Ultra Complete
NarwalFreo X Ultra
$1289.98
EcovacsDEEBOT X2 COMBO
$1371.66
MOVAV70 Ultra Complete
$1299.00
EcovacsDEEBOT X11S OmniCyclone
$1099.99
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 VacuumsiRobotRoomba 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
Robot VacuumsSharkAI Ultra AV2501AE
4.0(17,948)$435.14
Robot VacuumsSharkAI Ultra AV2511AE
4.0(23,667)15% OFF$599.00$511.97
Robot VacuumsSharkMatrix Plus 2-in-1
4.0(35,970)$459.99
Robot VacuumsSharkMatrix Plus UR2650WS
4.0(35,975)$269.99
Robot VacuumsSharkNavigator AV2110S
4.0(7,637)$269.97
Robot VacuumsSharkNavigator RV2120AE
4.0(7,618)38% OFF$449.99$279.95
Robot VacuumsSharkPowerDetect 2-in-1
4.0(17,920)$791.47
Robot VacuumsSharkPowerDetect NeverTouch Pro RV2820ZE
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
Robot VacuumsSharkPowerDetect UV Reveal
4.0(134)42% OFF$1299.99$749.99
Robot VacuumsSharkStratos NeverTouch RV2720ZE
4.1(3,656)31% OFF$799.99$549.99