Robot Vacuums · Head to head

Dreame L40 Ultra Gen 2 vs Dreame L40s Ultra CE

Full Robot Vacuums comparison in 2026

Updated November 2026
Data from the official Dreame site.
2026 verdict
Dreame L40s Ultra CE wins the 2026 matchup against Dreame L40 Ultra Gen 2, mainly on price, battery life, and onboard dustbin capacity.
Dreame L40s Ultra CE
Winner
Dreame L40s Ultra CE
$398.87$529.9925% OFF
Buy on Amazon USA
Its clearest strengths are price, battery life, and onboard dustbin capacity, and it still looks stronger on its broader overall balance. Choose Dreame L40 Ultra Gen 2 only if rating, integrations, and suction power matter more to you than the broader advantage from Dreame L40s Ultra CE. For the average buyer, Dreame L40s Ultra CE is the safer choice.
Works with
Connectivity
  • Wi-Fi 2.4 GHz
vs
Works with
Connectivity
  • Wi-Fi 2.4 GHz
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The biggest differences

Where these two are furthest apart, and by how much.

  • Suction Power+92%Dreame L40 Ultra Gen 225000Pa vs 13000Pa
  • Onboard Dustbin Capacity+28%Dreame L40s Ultra CE320ml vs 250ml
  • Battery Life+13%Dreame L40s Ultra CE260 minutes vs 231 minutes
FeatureDreame L40 Ultra Gen 2Dreame L40s Ultra CEWinner
Price$569.98$398.87Dreame L40s Ultra CE
Rating4.44.0Dreame L40 Ultra Gen 2
Battery Life231 minutes260 minutesDreame L40s Ultra CE
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Home AssistantDreame L40 Ultra Gen 2
Suction Power25000Pa13000PaDreame L40 Ultra Gen 2
Onboard Dustbin Capacity250ml320mlDreame L40s Ultra CE
Warranty3 years3 yearsTie
Auto RechargeYESYESTie
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie
Cliff DetectionYESYESTie
Dreame

Dreame L40 Ultra Gen 2

24% OFF
Prime exclusive deal
$569.98
$749.99
Buy on Amazon USA
  • + Rating: 4.4
  • + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
  • + Suction Power: 25000Pa
  • - Price: $569.98 vs $398.87
  • - Battery Life: 231 minutes vs 260 minutes
Winner
Dreame

Dreame L40s Ultra CE

25% OFF
Prime exclusive deal
$398.87
$529.99
Buy on Amazon USA
  • + Price: $398.87
  • + Battery Life: 260 minutes
  • + Onboard Dustbin Capacity: 320ml
  • - Rating: 4.0 vs 4.4
  • - Integrations: Google Home, Alexa, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter

Frequently Asked Questions

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

Dreame L40s Ultra CE has the stronger overall profile in this comparison, especially for price, battery life, and onboard dustbin capacity.

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

Price is one of the clearest differences: Dreame L40 Ultra Gen 2 lists $569.98, while Dreame L40s Ultra CE lists $398.87.

Which one looks better on price?

Dreame L40 Ultra Gen 2 is listed at $569.98, while Dreame L40s Ultra CE is listed at $398.87. Dreame L40s Ultra CE (better spec).

Who should buy Dreame L40 Ultra Gen 2?

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

Who should buy Dreame L40s Ultra CE?

Choose Dreame L40s Ultra CE if your priority is price and battery life and that matters more than rating.

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