Robot Vacuums · Head to head

Dreame L40 Ultra Gen 2 vs Dreame L40s Ultra AE

Full Robot Vacuums comparison in 2026

Updated September 2026
Data from Amazon and official Dreame site.
2026 verdict
Dreame L40 Ultra Gen 2 wins the 2026 matchup against Dreame L40s Ultra AE, mainly on price, battery life, and integrations.
Dreame L40 Ultra Gen 2
Winner
Dreame L40 Ultra Gen 2
$569.99$749.9924% OFF
Buy on Amazon USACheck price
The comparison tilts its way because of price, battery life, and integrations, with suction power keeping it in front. Dreame L40s Ultra AE remains a niche alternative if onboard dustbin capacity matters more than the rest of the comparison. For most setups, Dreame L40 Ultra Gen 2 is the smarter buy.
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FeatureDreame L40 Ultra Gen 2Dreame L40s Ultra AEWinner
Price$569.99$669.99Dreame L40 Ultra Gen 2
Battery Life231 minutes180 minutesDreame L40 Ultra Gen 2
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Home AssistantDreame L40 Ultra Gen 2
Suction Power25000Pa19000PaDreame L40 Ultra Gen 2
Onboard Dustbin Capacity250ml395mlDreame L40s Ultra AE
Rating4.34.3Tie
Warranty3 years3 yearsTie
Auto RechargeYESYESTie
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie
Cliff DetectionYESYESTie

Frequently Asked Questions

Which is better overall: Dreame L40 Ultra Gen 2 or Dreame L40s Ultra AE?

Dreame L40 Ultra Gen 2 has the stronger overall profile in this comparison, especially for price, battery life, and integrations.

What is the biggest difference between Dreame L40 Ultra Gen 2 and Dreame L40s Ultra AE?

Price is one of the clearest differences: Dreame L40 Ultra Gen 2 lists $569.99, while Dreame L40s Ultra AE lists $669.99.

Which one looks better on price?

Dreame L40 Ultra Gen 2 is listed at $569.99, while Dreame L40s Ultra AE is listed at $669.99. 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 battery life and that matters more than onboard dustbin capacity.

Who should buy Dreame L40s Ultra AE?

Choose Dreame L40s Ultra AE if your priority is onboard dustbin capacity and that matters more than price.

Full comparison table

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