Updated September 2026
Data from Amazon and official iRobot and Roborock sites.
2026 verdict
In this 2026 Roborock Saros 20 Sonic vs iRobot Roomba Plus 515 Combo Robot + AutoWash Dock comparison, Roborock Saros 20 Sonic comes out ahead thanks to connectivity, integrations, and suction power.
The main reason it wins is connectivity, integrations, and suction power, and its broader overall balance strengthens that case. Choose iRobot Roomba Plus 515 Combo Robot + AutoWash Dock only if price and battery life matter more to you than the broader advantage from Roborock Saros 20 Sonic. That keeps the verdict firmly in favor of Roborock Saros 20 Sonic.
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| Feature | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock | Roborock Saros 20 Sonic | Winner |
|---|---|---|---|
| Price | $599.99 | $1499.99 | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Battery Life | 295 minutes | 190 minutes | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Connectivity | 2.4 GHz WiFi, 5 GHz WiFi | 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth | Roborock Saros 20 Sonic |
| Integrations | Google Home, Alexa | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Roborock Saros 20 Sonic |
| Suction Power | 22000Pa | 36000Pa | Roborock Saros 20 Sonic |
| 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 |
| Cliff Detection | YES | YES | Tie |
| Multi-Room Mapping | YES | YES | Tie |
14% OFF
$599.99
$699.99
- + Price: $599.99
- + Battery Life: 295 minutes
- - Connectivity: 2.4 GHz WiFi, 5 GHz WiFi vs 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
- - Integrations: Google Home, Alexa vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Winner
12% OFF
$1499.99
$1699.99
- + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- + Suction Power: 36000Pa
- - Price: $1499.99 vs $599.99
- - Battery Life: 190 minutes vs 295 minutes
Frequently Asked Questions
Which is better overall: iRobot Roomba Plus 515 Combo Robot + AutoWash Dock or Roborock Saros 20 Sonic?
Roborock Saros 20 Sonic has the stronger overall profile in this comparison, especially for connectivity, integrations, and suction power.
What is the biggest difference between iRobot Roomba Plus 515 Combo Robot + AutoWash Dock and Roborock Saros 20 Sonic?
Price is one of the clearest differences: iRobot Roomba Plus 515 Combo Robot + AutoWash Dock lists $599.99, while Roborock Saros 20 Sonic lists $1499.99.
Which one looks better on price?
iRobot Roomba Plus 515 Combo Robot + AutoWash Dock is listed at $599.99, while Roborock Saros 20 Sonic is listed at $1499.99. 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 connectivity.
Who should buy Roborock Saros 20 Sonic?
Choose Roborock Saros 20 Sonic if your priority is connectivity and integrations 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
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$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
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$2499.99
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4.0(20,401)$549.99
Robot VacuumsRoborockQ10 X5+
3.7(166)$499.99
Robot VacuumsRoborockQ5 Max+
4.0(692)$499.99
Robot VacuumsRoborockQ7 L5
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Robot VacuumsRoborockQ7 M5+
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3.6(579)$229.99
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4.2(935)$799.99
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4.3(1,359)30% OFF$999.99$699.99
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4.3(439)
Robot VacuumsRoborockQrevo Curv S5X
3.9(377)43% OFF$1149.99$649.99
Robot VacuumsRoborockQrevo CurvX
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Robot VacuumsRoborockQrevo Edge 2
4.2(572)$1299.99- Robot VacuumsRoborock
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4.8(21)$1499.99 
Robot VacuumsRoborockQrevo Edge S5A
4.2(573)$999.99
Robot VacuumsRoborockQrevo Plus
4.0(1,704)$389.99
Robot VacuumsRoborockQrevo Pro
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4.1(5,949)38% OFF$649.99$399.99