Name: DREAME L40s Ultra AE Robot Vacuum and Mop Combo, 19,000Pa Suction, Self Emptying Dust Box, Flexible Mop & 167℉ Self Cleaning Washboard, Diverse Bru...
Brand: DREAME
SKU: B0F32RNBV4
Price: 999.99 USD
Availability: InStock
Rating: 4.2 (225 reviews)

Our Verdict

Dreame L40s Ultra AE Wins

DREAME L40s Ultra AE Robot Vacuum and Mop Combo, 19,000Pa Suction, Self Emptying Dust Box, Flexible Mop & 167℉ Self Cleaning Washboard, Diverse Brush Selection, All-in-One Station, Auto Refill - Robot Vacuums

Its 19,000Pa suction and 100-day self-emptying surpass Roborock's 11,000Pa suction and 7-week capacity. Choose Roborock Qrevo Slim for LiDAR navigation, ultra-slim 3.23" design, and auto water refill.

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Bottom Line: Dreame L40s Ultra AE is the better choice. Its 19,000Pa suction and 100-day self-emptying surpass Roborock's 11,000Pa suction and 7-week capacity.

Key Differences

The most significant spec differences at a glance

19,000

Suction Power

73% more

11,000

Advantages

Where each product wins

DREAME

Suction Power: 73% higher (19000 vs 11000.0)

Who Should Buy Which?

Find the right product for your needs

Buy DREAME if...

DREAME L40s Ultra AE

If you need the absolute strongest cleaning power and prioritize pristine floors, the DREAME L40s Ultra AE is your best choice. Ideal for pet owners or homes with heavy debris, its 19,000Pa suction and TriCut brush tackle stubborn dirt and hair effectively. You value advanced mop cleaning with 167F hot water and less frequent dustbin emptying (100 days). While pricier, you're willing to invest in top-tier performance for deep cleaning and superior hair management, even if manual water refills are needed.

Buy roborock if...

roborock Qrevo Slim Robot

The roborock Qrevo Slim is perfect if you live in a home with low-profile furniture and prioritize comprehensive cleaning in tight spaces. Its ultra-slim 8.2cm height and FlexiArm side brush ensure no spot is missed. You value reliable LiDAR navigation for consistent mapping, even in varying light conditions, and appreciate the convenience of its fully automated mop washing, drying, and tank refilling system. This is an excellent choice for those seeking premium features and superior maneuverability at a more accessible price point.

Spec Comparison

12 specs compared

Specification	DREAME L40s Ultra AE	roborock Qrevo Slim Robot
Price	$1000	$750
Rating	4.2(225)	4.1(1.3k)
Suction Power Pa	19000	11000
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	—	28.2 lbs
App Control	—	Yes
Height Inches	—	3.23"
Noise Level	—	0 dB
Battery Life Mins	—	180

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Pros & Cons

Quick overview of strengths and weaknesses

DREAME L40s Ultra

Pros

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.

Cons

Camera navigation struggles in low light conditions.
Requires proprietary dust bags for auto-empty.
Dock requires manual water tank refills.

roborock Qrevo Slim

Pros

Cleans under low furniture; 8.2cm height.
11,000Pa suction removes dirt effectively.
Dock provides auto mop wash, dry, tank refill.
Self-empties dustbin for up to 7 weeks.

Cons

Re-mopping feature requires manual app activation.
Water flow settings require manual adjustment.

Frequently Asked Questions

Common questions about this comparison

Which robot vacuum is better for homes with heavy debris or pet hair?

The Dreame L40s Ultra AE is superior with 19,000Pa suction power, significantly higher than the Roborock Qrevo Slim's 11,000Pa. This makes it more effective at tackling diverse floor debris and pet hair, especially with its TriCut brush.

What's the main difference in their navigation systems?

The Roborock Qrevo Slim uses more reliable LiDAR navigation, while the Dreame L40s Ultra AE relies on camera navigation. Camera navigation can struggle in low-light conditions, potentially making Roborock more consistent in diverse environments.

Which product offers better convenience regarding base station maintenance?

The Dreame L40s Ultra AE self-empties its dustbin for up to 100 days, longer than Roborock's 7 weeks. However, Roborock's dock features auto mop washing, drying, and tank refill, while Dreame requires manual water tank refills.

Which robot is better for cleaning under low furniture?

The Roborock Qrevo Slim is ideal for low furniture, boasting an ultra-slim 3.23-inch height. This allows it to access and clean areas that taller robots might miss.