Updated September 2026
Data from Amazon and official Dreame and iRobot sites.
2026 verdict
Across the 2026 comparison, iRobot Roomba Max 775 Combo Robot + AutoWash Dock earns the nod over Dreame L40 Ultra Gen 2 on the strength of rating, connectivity, and suction power.
It has the clearer edge on rating, connectivity, and suction power, and it stays ahead on its broader overall balance. Dreame L40 Ultra Gen 2 can still be the right pick, but only if price, warranty, and battery life outweigh the wider strengths of iRobot Roomba Max 775 Combo Robot + AutoWash Dock. That is why iRobot Roomba Max 775 Combo Robot + AutoWash Dock wins the verdict here.
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| Feature | Dreame L40 Ultra Gen 2 | iRobot Roomba Max 775 Combo Robot + AutoWash Dock | Winner |
|---|---|---|---|
| Price | $569.99 | $799.99 | Dreame L40 Ultra Gen 2 |
| Rating | 4.3 | 4.4 | iRobot Roomba Max 775 Combo Robot + AutoWash Dock |
| Warranty | 3 years | 1 year | Dreame L40 Ultra Gen 2 |
| Battery Life | 231 minutes | 180 minutes | Dreame L40 Ultra Gen 2 |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth | iRobot Roomba Max 775 Combo Robot + AutoWash Dock |
| Suction Power | 25000Pa | 30000Pa | iRobot Roomba Max 775 Combo Robot + AutoWash Dock |
| Auto Recharge | YES | YES | Tie |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| Navigation Type | Laser (LiDAR) | Laser (LiDAR) | Tie |
| Obstacle Detection | YES | YES | Tie |
| Cliff Detection | YES | YES | Tie |
| Multi-Room Mapping | YES | YES | Tie |
24% OFF
$569.99
$749.99
- + Price: $569.99
- + Warranty: 3 years
- + Battery Life: 231 minutes
- - Rating: 4.3 vs 4.4
- - Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
Winner
20% OFF
$799.99
$999.99
- + Rating: 4.4
- + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
- + Suction Power: 30000Pa
- - Price: $799.99 vs $569.99
- - Warranty: 1 year vs 3 years
Frequently Asked Questions
Which is better overall: Dreame L40 Ultra Gen 2 or iRobot Roomba Max 775 Combo Robot + AutoWash Dock?
iRobot Roomba Max 775 Combo Robot + AutoWash Dock has the stronger overall profile in this comparison, especially for rating, connectivity, and suction power.
What is the biggest difference between Dreame L40 Ultra Gen 2 and iRobot Roomba Max 775 Combo Robot + AutoWash Dock?
Price is one of the clearest differences: Dreame L40 Ultra Gen 2 lists $569.99, while iRobot Roomba Max 775 Combo Robot + AutoWash Dock lists $799.99.
Which one looks better on price?
Dreame L40 Ultra Gen 2 is listed at $569.99, while iRobot Roomba Max 775 Combo Robot + AutoWash Dock is listed at $799.99. Dreame L40 Ultra Gen 2 (better spec).
Who should buy Dreame L40 Ultra Gen 2?
Choose Dreame L40 Ultra Gen 2 if your priority is price and warranty and that matters more than rating.
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.
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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EcovacsDEEBOT X11S PRO Omni
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MOVAV70 Ultra Complete
$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
NarwalFlow
$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
Air PurifiersDreameAir Purifier AP5
4.8(20)$200.00
Air PurifiersDreameAir Purifier FP10
4.5(83)24% OFF$459.99$349.99
Robot Lawn MowersDreameA3 AWD 2000
2.6(20)30% OFF$2699.99$1899.99
Robot Lawn MowersDreameA3 AWD Pro 2500
3.8(6)34% OFF$3399.99$2249.99
Robot Lawn MowersDreameA3 AWD Pro 3500
3.9(17)$2399.99
Robot Lawn MowersDreameA3 AWD Pro 5000
3.4(3)9% OFF$3859.99$3499.99
Robotic Pool CleanersDreameZ1 Pro
3.4(77)20% OFF$599.00$479.00
Robotic Pool CleanersDreameZ1
2.2(22)$499.00
Robot VacuumsDreameAqua10 Roller
4.0(719)$899.99
Robot VacuumsDreameAqua10 Ultra Roller
4.0(719)17% OFF$899.99$749.98
Robot VacuumsDreameD20 Air Plus
4.2(3,636)35% OFF$349.99$227.99
Robot VacuumsDreameD20 Pro Plus
4.2(3,636)24% OFF$399.99$303.96
Robot VacuumsDreameD30 Ultra CE
4.1(1,832)8% OFF$499.99$459.99
Robot VacuumsDreameD30 Ultra
4.1(1,832)21% OFF$539.99$427.29
Robot VacuumsDreameL10s Pro Ultra Heat
4.1(1,832)13% OFF$399.99$349.96
Robot VacuumsDreameL10s Ultra Gen 2
4.1(988)$439.99- Robot VacuumsDreame
L40 Ultra Gen 2
4.3(565)24% OFF$749.99$569.99 
Robot VacuumsDreameL40s Ultra AE
4.3(227)22% OFF$729.99$569.49
Robot VacuumsDreameL40s Ultra CE
4.0(256)11% OFF$529.99$469.98
Robot VacuumsDreameL40s Ultra
4.0(266)29% OFF$699.99$499.99
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
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Robot VacuumsiRobotRoomba Max 705
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Robot VacuumsiRobotRoomba Max 715 Vac Robot + AutoEmpty Dock
4.2(2,837)14% OFF$699.99$599.99- Robot VacuumsiRobot
Roomba Max 775 Combo Robot + AutoWash Dock
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