Our Verdict
DREAME L40s Ultra AE Wins

Its 19,000Pa suction power is superior to roborock's 10,000Pa. Choose roborock Q10 S5+ for consistent LiDAR navigation, especially in low light, and its sonic mopping feature.
Bottom Line: DREAME L40s Ultra AE is the better choice. Its 19,000Pa suction power is superior to roborock's 10,000Pa.
Key Differences
The most significant spec differences at a glance
Suction Power
90% moreAdvantages
Where each product wins
DREAME
- Suction Power: 90% higher (19000 vs 10000)
Who Should Buy Which?
Find the right product for your needs
Buy DREAME if...
DREAME L40s Ultra AE
If you demand the absolute best in cleaning performance and hands-free convenience, the DREAME L40s Ultra AE is your ideal choice. Perfect for large homes with diverse floor types, pet owners, or those with significant cleaning needs who want minimal interaction. Its 19,000Pa suction, hot water mop cleaning, and 100-day auto-empty station justify the $999.99 price for a truly premium, automated cleaning experience. You prioritize cutting-edge features and superior results over budget constraints.
Buy roborock if...
roborock Q10 S5+ Robot
The roborock Q10 S5+ is perfect for the value-conscious homeowner seeking a high-performing robot vacuum and mop without the premium price tag. Ideal for pet owners who need reliable pet hair removal and efficient navigation via LiDAR. At $399.99, it offers an excellent 10,000Pa suction, sonic mopping with auto-lift, and 70-day self-emptying, providing a strong balance of features and affordability for effective daily maintenance and a cleaner home.
Spec Comparison
12 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $1000 | $400 |
| Rating | 4.2(225) | 4.1(7.7k) |
| Suction Power Pa | 19000 | 10000 |
| Navigation Type | camera | LiDAR |
| Self Emptying Base | Yes | Yes |
| Model Number | RLL77SE | — |
| Carpet Detection | Yes | Yes |
| Mopping Function | Yes | Yes |
| Obstacle Avoidance | Yes | Yes |
| Weight | — | 14.74 lbs |
| App Control | — | Yes |
| Height Inches | — | 10.18" |
| Battery Life Mins | — | 150 |
| Dustbin Capacity ml | — | 2700 |
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Pros & Cons
Quick overview of strengths and weaknesses
DREAME L40s Ultra
- 19,000Pa suction removes diverse floor debris.
- TriCut brush actively prevents hair tangling.
- MopExtend reaches edges and under furniture.
- Auto-empties dust bin for 100 days.
- Camera navigation struggles in low light conditions.
- Requires proprietary dust bags for auto-empty.
- Dock requires manual water tank refills.
roborock Q10 S5+
- 70 days hands-free with self-emptying station
- 10,000 Pa suction lifts embedded debris
- Dual anti-tangle system minimizes hair jams
- Sonic mopping scrubs 3000 times per minute
- Only supports 2.4GHz WiFi connection
- 14.74 lbs weight may hinder manual movement
- Mopping function requires frequent water refills
Frequently Asked Questions
Common questions about this comparison
Which robot vacuum is better for homes with pets?
The DREAME L40s Ultra AE, with its 19,000Pa suction and TriCut brush, is more effective at removing pet hair and preventing tangles. The roborock Q10 S5+ also features a dual anti-tangle design but has lower suction at 10,000Pa.
What's the primary difference in navigation technology between the two models?
The DREAME L40s Ultra AE uses camera-based navigation, which may struggle in low light conditions. The roborock Q10 S5+ utilizes more robust LiDAR navigation, offering consistent mapping and obstacle avoidance in various lighting conditions.
How do their self-emptying dust boxes compare?
The DREAME L40s Ultra AE offers 100 days of hands-free cleaning with its self-emptying dust box. The roborock Q10 S5+ provides a slightly shorter period, offering up to 70 days of self-emptying before needing manual intervention.
Which robot provides a more advanced mopping experience?
The DREAME L40s Ultra AE features MopExtend to reach edges and 167F hot water self-cleaning. The roborock Q10 S5+ offers sonic mopping, scrubbing 3000 times per minute, and auto mop lifting for carpets, enhancing its mopping versatility.
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