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Robot Vacuums · Head to head

Dreame L40 Ultra Gen 2 vs Dreame L40s Ultra

Full Robot Vacuums comparison in 2026

Updated September 2026
Data from Amazon and official Dreame site.
2026 verdict
Dreame L40 Ultra Gen 2 edges out Dreame L40s Ultra in 2026, led by rating, battery life, and integrations.
What pushes it ahead is rating, battery life, and integrations, and suction power keeps the advantage from looking narrow. Dreame L40s Ultra remains a niche alternative if price and onboard dustbin capacity matter more than the rest of the comparison. That makes Dreame L40 Ultra Gen 2 the clearer recommendation in 2026.
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FeatureDreame L40 Ultra Gen 2Dreame L40s UltraWinner
Price$569.99$499.99Dreame L40s Ultra
Rating4.34.0Dreame L40 Ultra Gen 2
Battery Life231 minutes220 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 Capacity250ml310mlDreame L40s Ultra
Warranty3 years3 yearsTie
Auto RechargeYESYESTie
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie
Cliff DetectionYESYESTie
Winner
24% OFF
$569.99
$749.99
  • + Rating: 4.3
  • + Battery Life: 231 minutes
  • + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
  • - Price: $569.99 vs $499.99
  • - Onboard Dustbin Capacity: 250ml vs 310ml

Frequently Asked Questions

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

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

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

Price is one of the clearest differences: Dreame L40 Ultra Gen 2 lists $569.99, while Dreame L40s Ultra lists $499.99.

Which one looks better on price?

Dreame L40 Ultra Gen 2 is listed at $569.99, while Dreame L40s Ultra is listed at $499.99. Dreame L40s Ultra (better spec).

Who should buy Dreame L40 Ultra Gen 2?

Choose Dreame L40 Ultra Gen 2 if your priority is rating and battery life and that matters more than price.

Who should buy Dreame L40s Ultra?

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

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