Robot Vacuums · Head to head

Dreame L40s Ultra AE vs eufy Omni S2

Full Robot Vacuums comparison in 2026

Updated September 2026
Data from Amazon and official Dreame and Eufy sites.
2026 verdict
eufy Omni S2 has the better all-around case than Dreame L40s Ultra AE in 2026, starting with rating, battery life, and connectivity.
It has the clearer edge on rating, battery life, and connectivity, and it stays ahead on integrations and suction power. The only strong reason to choose Dreame L40s Ultra AE is if price, warranty, and water tank capacity are more important to you than the overall verdict. For the average buyer, eufy Omni S2 is the safer choice.
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FeatureDreame L40s Ultra AEeufy Omni S2Winner
Price$669.99$1599.99Dreame L40s Ultra AE
Rating4.34.4eufy Omni S2
Warranty3 years2 yearsDreame L40s Ultra AE
Battery Life180 minutes260 minuteseufy Omni S2
Connectivity2.4 GHz WiFi2.4 GHz WiFi, Bluetootheufy Omni S2
IntegrationsGoogle Home, Alexa, Home AssistantGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Mattereufy Omni S2
Suction Power19000Pa30000Paeufy Omni S2
Water Tank Capacity4.5L3LDreame L40s Ultra AE
Dock Dustbin Capacity3.2L2.5LDreame L40s Ultra AE
Auto RechargeYESYESTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie

Frequently Asked Questions

Which is better overall: Dreame L40s Ultra AE or eufy Omni S2?

eufy Omni S2 has the stronger overall profile in this comparison, especially for rating, battery life, and connectivity.

What is the biggest difference between Dreame L40s Ultra AE and eufy Omni S2?

Price is one of the clearest differences: Dreame L40s Ultra AE lists $669.99, while eufy Omni S2 lists $1599.99.

Which one looks better on price?

Dreame L40s Ultra AE is listed at $669.99, while eufy Omni S2 is listed at $1599.99. Dreame L40s Ultra AE (better spec).

Who should buy Dreame L40s Ultra AE?

Choose Dreame L40s Ultra AE if your priority is price and warranty and that matters more than rating.

Who should buy eufy Omni S2?

Choose eufy Omni S2 if your priority is rating and battery life and that matters more than price.

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