Winner
iRobot Roomba Max 775 Combo Robot + AutoWash Dock
20% OFF
$799.99
$999.99
Updated September 2026
Data from Amazon and official iRobot and Shark sites.
2026 verdict
iRobot Roomba Max 775 Combo Robot + AutoWash Dock is the more complete option versus Shark PowerDetect ThermaCharged RV2920XE in 2026, helped most by rating, connectivity, and integrations.
The comparison tilts its way because of rating, connectivity, and integrations, with its broader overall balance keeping it in front. Shark PowerDetect ThermaCharged RV2920XE can still be the right pick, but only if price and warranty outweigh the wider strengths of iRobot Roomba Max 775 Combo Robot + AutoWash Dock. For most setups, iRobot Roomba Max 775 Combo Robot + AutoWash Dock is the smarter buy.
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| Feature | iRobot Roomba Max 775 Combo Robot + AutoWash Dock | Shark PowerDetect ThermaCharged RV2920XE | Winner |
|---|---|---|---|
| Price | $799.99 | $749.99 | Shark PowerDetect ThermaCharged RV2920XE |
| Rating | 4.4 | 4.3 | iRobot Roomba Max 775 Combo Robot + AutoWash Dock |
| Warranty | 1 year | 2 years | Shark PowerDetect ThermaCharged RV2920XE |
| Connectivity | 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth | 2.4 GHz WiFi | iRobot Roomba Max 775 Combo Robot + AutoWash Dock |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Home Assistant | iRobot Roomba Max 775 Combo Robot + AutoWash Dock |
| Battery Life | 180 minutes | 180 minutes | Tie |
| 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
20% OFF
$799.99
$999.99
- + Rating: 4.4
- + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Price: $799.99 vs $749.99
- - Warranty: 1 year vs 2 years
38% OFF
$749.99
$1199.99
- + Price: $749.99
- + Warranty: 2 years
- - Rating: 4.3 vs 4.4
- - Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
Frequently Asked Questions
Which is better overall: iRobot Roomba Max 775 Combo Robot + AutoWash Dock or Shark PowerDetect ThermaCharged RV2920XE?
iRobot Roomba Max 775 Combo Robot + AutoWash Dock has the stronger overall profile in this comparison, especially for rating, connectivity, and integrations.
What is the biggest difference between iRobot Roomba Max 775 Combo Robot + AutoWash Dock and Shark PowerDetect ThermaCharged RV2920XE?
Price is one of the clearest differences: iRobot Roomba Max 775 Combo Robot + AutoWash Dock lists $799.99, while Shark PowerDetect ThermaCharged RV2920XE lists $749.99.
Which one looks better on price?
iRobot Roomba Max 775 Combo Robot + AutoWash Dock is listed at $799.99, while Shark PowerDetect ThermaCharged RV2920XE is listed at $749.99. Shark PowerDetect ThermaCharged RV2920XE (better spec).
Who should buy iRobot Roomba Max 775 Combo Robot + AutoWash Dock?
Choose iRobot Roomba Max 775 Combo Robot + AutoWash Dock if your priority is rating and connectivity and that matters more than price.
Who should buy Shark PowerDetect ThermaCharged RV2920XE?
Choose Shark PowerDetect ThermaCharged RV2920XE if your priority is price and warranty and that matters more than rating.
Full comparison table
Compare all 151 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.
- 151 Robot Vacuums
- 46 specs compared
- 41 filters
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EcovacsDEEBOT X11S OmniCyclone
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EcovacsDEEBOT X12S OmniCyclone
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$1299.00
EufyE25
40% OFF$999.99$599.98
EufyE28
37% OFF$999.99$629.98- iRobot
Roomba Max 775 Combo Robot + AutoWash Dock
20% OFF$999.99$799.99 
EufyOmni S2
13% OFF$1599.99$1399.99
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$999.99
RoborockQrevo Edge 3 Pro
20% OFF$1499.99$1199.99
NarwalFreo 20
$1099.99
NarwalFreo Z10 Ultra
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Eufy11S MAX
14% OFF$279.99$239.99
EufyOmni C28
34% OFF$799.99$529.99
EufyX10 Pro Omni
36% OFF$699.99$449.99
iRobotRoomba 705X
9% OFF$1399.99$1269.99
Robot VacuumsiRobotRoomba 104
3.4(876)$249.99
Robot VacuumsiRobotRoomba 105 Combo
4.2(26,550)44% OFF$319.99$179.00
Robot VacuumsiRobotRoomba 105
4.2(31,594)50% OFF$299.99$149.00
Robot VacuumsiRobotRoomba 105X Combo
4.1(13,259)10% OFF$343.01$307.18
Robot VacuumsiRobotRoomba 105X
4.2(26,550)$249.00
Robot VacuumsiRobotRoomba 205
4.2(11,556)$149.99
Robot VacuumsiRobotRoomba 415X
4.2(11,917)15% OFF$799.99$679.98
Robot VacuumsiRobotRoomba 505X
4.2(8,900)25% OFF$999.99$754.86- Robot VacuumsiRobot
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4.3(13,221)9% OFF$1399.99$1269.99 
Robot VacuumsiRobotRoomba Combo 10 Max robot + AutoWash dock
3.0(272)50% OFF$1399.00$699.99
Robot VacuumsiRobotRoomba Max 705 Combo
3.6(4,813)39% OFF$1299.99$799.00
Robot VacuumsiRobotRoomba Max 705
3.8(718)7% OFF$899.99$839.99
Robot VacuumsiRobotRoomba Max 715 Vac Robot + AutoEmpty Dock
4.2(2,837)14% OFF$699.99$599.99- Robot VacuumsiRobot
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4.4(4,929)20% OFF$999.99$799.99 
Robot VacuumsiRobotRoomba Plus 405
3.2(431)13% OFF$799.99$699.95
Robot VacuumsiRobotRoomba Plus 415 Combo Robot + AutoWash Dock
3.9(25)$599.99
Robot VacuumsiRobotRoomba Plus 504
3.8(645)$664.99
Robot VacuumsiRobotRoomba Plus 505
4.2(8,900)30% OFF$999.99$699.99
Robot VacuumsiRobotRoomba Plus 507 Combo Robot + AutoWash Dock
$999.99
Robot VacuumsiRobotRoomba Plus 515 Combo Robot + AutoWash Dock
4.2(4,137)14% OFF$699.99$599.99
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4.5(127)20% OFF$449.99$359.99
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4.0(17,948)$441.52
Robot VacuumsSharkAI Ultra AV2511AE
4.0(23,667)15% OFF$599.00$511.97
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4.0(35,970)$467.56
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4.0(35,975)$289.00
Robot VacuumsSharkNavigator AV2110S
4.0(7,637)$375.31
Robot VacuumsSharkNavigator RV2120AE
4.0(7,618)15% OFF$449.99$384.38
Robot VacuumsSharkPowerDetect 2-in-1
4.0(17,920)$1149.98
Robot VacuumsSharkPowerDetect NeverTouch Pro RV2820ZE
4.0(2,216)$999.95
Robot VacuumsSharkPowerDetect Self-Empty
4.2(3,655)$549.99
Robot VacuumsSharkPowerDetect ThermaCharged RV2920XE
4.3(288)38% OFF$1199.99$749.99
Robot VacuumsSharkPowerDetect UV Reveal
4.0(134)$1249.00
Robot VacuumsSharkStratos NeverTouch RV2720ZE
4.1(3,656)23% OFF$799.99$619.00