Updated September 2026
Data from Amazon and official Eufy and iRobot sites.
2026 verdict
Short version: iRobot Roomba Plus 515 Combo Robot + AutoWash Dock is the robot vacuum to buy, on the strength of battery life and suction power.
Eufy Omni C28 is the more affordable option. The clearest hardware split is suction (22000Pa on iRobot Roomba Plus 515 Combo Robot + AutoWash Dock versus 15000Pa on Eufy Omni C28). Both list LiDAR mapping and self-emptying docks and mopping. iRobot Roomba Plus 515 Combo Robot + AutoWash Dock suits mixed hard floor and carpet homes and buyers who want a hands-off mopping routine. Eufy Omni C28 suits pet owners and hard-floor and mixed-floor homes.
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| Feature | Eufy Omni C28 | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock | Winner |
|---|---|---|---|
| Price | $529.99 | $599.99 | Eufy Omni C28 |
| Rating | 4.3 | 4.2 | Eufy Omni C28 |
| Battery Life | 251 minutes | 295 minutes | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Suction Power | 15000Pa | 22000Pa | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Warranty | 1 year | 1 year | Tie |
| Auto Recharge | YES | YES | Tie |
| Connectivity | 2.4 GHz WiFi, Bluetooth | 2.4 GHz WiFi, 5 GHz WiFi | Tie |
| Integrations | Google Home, Alexa | Google Home, Alexa | Tie |
| Navigation Type | Laser (LiDAR) | Laser (LiDAR) | Tie |
| Obstacle Detection | YES | YES | Tie |
| Cliff Detection | YES | YES | Tie |
| Multi-Room Mapping | YES | YES | Tie |
34% OFF
$529.99
$799.99
- + Price: $529.99
- + Rating: 4.3
- - Battery Life: 251 minutes vs 295 minutes
- - Suction Power: 15000Pa vs 22000Pa
Winner
14% OFF
$599.99
$699.99
- + Battery Life: 295 minutes
- + Suction Power: 22000Pa
- - Price: $599.99 vs $529.99
- - Rating: 4.2 vs 4.3
Frequently Asked Questions
Which is better overall: Eufy Omni C28 or iRobot Roomba Plus 515 Combo Robot + AutoWash Dock?
iRobot Roomba Plus 515 Combo Robot + AutoWash Dock is the better robot vacuum overall, leading on battery life and suction power. Eufy Omni C28 stays in the conversation on price.
What is the biggest difference between the Eufy Omni C28 and the iRobot Roomba Plus 515 Combo Robot + AutoWash Dock?
The main split is suction (22000Pa on iRobot Roomba Plus 515 Combo Robot + AutoWash Dock versus 15000Pa on Eufy Omni C28). That is the change you will notice after the first week, more than any single extra app toggle.
Which has stronger suction, the iRobot Roomba Plus 515 Combo Robot + AutoWash Dock or the Eufy Omni C28?
iRobot Roomba Plus 515 Combo Robot + AutoWash Dock is rated higher, at 22000Pa versus 15000Pa.
Who should buy the iRobot Roomba Plus 515 Combo Robot + AutoWash Dock?
The iRobot Roomba Plus 515 Combo Robot + AutoWash Dock is for mixed hard floor and carpet homes and buyers who want a hands-off mopping routine, especially if battery life and suction power is what you are buying. It is the one this comparison recommends.
Who should buy the Eufy Omni C28?
The Eufy Omni C28 is for pet owners and hard-floor and mixed-floor homes, and for anyone who wants the more affordable machine. The overall pick is still iRobot Roomba Plus 515 Combo Robot + AutoWash Dock, while Eufy Omni C28 keeps price.
Do the iRobot Roomba Plus 515 Combo Robot + AutoWash Dock and Eufy Omni C28 both self-empty?
iRobot Roomba Plus 515 Combo Robot + AutoWash Dock includes a self-emptying dock. Eufy Omni C28 includes a self-emptying dock.
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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DreameX60 Pro Ultra Complete
NarwalFreo X Ultra
$1289.98
EcovacsDEEBOT X2 COMBO
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MOVAV70 Ultra Complete
$1299.00
EcovacsDEEBOT X11S OmniCyclone
27% OFF$1099.99$798.98
DreameL60 Ultra
$1299.99
RoborockQrevo Edge 3 Pro
$1499.99
EcovacsDEEBOT X12S OmniCyclone
$1299.99
EcovacsDEEBOT X11S PRO Omni
$999.99
NarwalFreo 20
$1099.99
NarwalFlow
$999.99
EufyE25
40% OFF$999.99$599.99
EufyE28
32% OFF$999.99$679.99
EufyOmni S2
$1599.99
NarwalFreo Z10 Ultra
$1299.99
iRobotRoomba Plus 575 Combo Robot + AutoWash Dock
13% OFF$799.99$699.99
Eufy11S MAX
39% OFF$279.99$169.99- Eufy
Omni C28
34% OFF$799.99$529.99 
EufyX10 Pro Omni
36% OFF$699.99$449.99
CamerasEufy4G Camera S230
4.0(197)$109.99
CamerasEufy4G LTE Cam S330
4.0(1,255)20% OFF$249.99$199.99
CamerasEufyCam S3 Pro
4.4(310)$219.99
CamerasEufyCam S330
4.3(965)32% OFF$219.99$149.99
CamerasEufyCam S4
4.2(469)$349.99
CamerasEufyIndoor Cam C120
4.3(590)$29.99
CamerasEufyIndoor Cam E220
4.4(21,493)9% OFF$54.99$49.99
CamerasEufyIndoor Cam E30
4.4(2,445)21% OFF$69.99$54.98
CamerasEufyOutdoor Cam E210
4.4(1,639)$59.99
CamerasEufyOutdoor Cam E220
4.2(2,046)$79.00
CamerasEufyPoE Bullet-PTZ Cam E50
$249.99
CamerasEufySoloCam E30
4.3(1,324)33% OFF$149.99$99.98
CamerasEufySoloCam E42
4.2(1,186)17% OFF$179.99$149.99
CamerasEufySoloCam S220
4.2(6,627)30% OFF$99.99$69.99
CamerasEufySoloCam S230
4.4(147)$129.99
CamerasEufySoloCam S340
4.2(6,906)20% OFF$199.99$159.99
CamerasEufyTrackLight Cam S1
$299.99
CamerasEufyWall Light Cam S4
4.0(28)$249.99
CamerasEufyWired Cam C31
4.3(775)23% OFF$59.99$45.99
DoorbellsEufyVideo Doorbell C31 (with Battery Pack)
4.0(839)$129.99
Robot VacuumsiRobotRoomba 104
3.4(850)$249.99
Robot VacuumsiRobotRoomba 105 Combo
4.2(26,696)44% OFF$319.99$179.00
Robot VacuumsiRobotRoomba 105
4.2(31,572)50% OFF$299.99$149.00
Robot VacuumsiRobotRoomba 105X Combo
4.1(13,178)12% OFF$347.10$307.06
Robot VacuumsiRobotRoomba 105X
4.2(26,522)$249.00
Robot VacuumsiRobotRoomba 205
4.2(11,534)$149.99
Robot VacuumsiRobotRoomba 415X
4.2(11,888)19% OFF$799.99$650.00
Robot VacuumsiRobotRoomba 505X
4.2(8,849)25% OFF$999.99$749.99
Robot VacuumsiRobotRoomba 705X
4.3(13,213)9% OFF$1399.99$1269.99
Robot VacuumsiRobotRoomba Combo 10 Max robot + AutoWash dock
3.0(267)50% OFF$1399.00$699.99
Robot VacuumsiRobotRoomba Max 705 Combo
3.6(4,803)39% OFF$1299.99$799.00
Robot VacuumsiRobotRoomba Max 705
3.8(696)7% OFF$899.99$839.99
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)$599.99
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