Robot Vacuums · Head to head

Dreame L40s Ultra AE vs iRobot Roomba Plus 505

Full Robot Vacuums comparison in 2026

Updated September 2026
Data from Amazon and official Dreame and iRobot sites.
2026 verdict
Across the 2026 comparison, Dreame L40s Ultra AE earns the nod over iRobot Roomba Plus 505 on the strength of price, rating, and warranty.
Dreame L40s Ultra AE
Winner
Dreame L40s Ultra AE
$669.99$729.998% OFF
Buy on Amazon USACheck price
The main reason it wins is price, rating, and warranty, and battery life and suction power strengthen that case. You should still consider iRobot Roomba Plus 505 if connectivity and integrations matter more than raw overall balance. That is enough to make Dreame L40s Ultra AE the better pick for most buyers.
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FeatureDreame L40s Ultra AEiRobot Roomba Plus 505Winner
Price$669.99$699.99Dreame L40s Ultra AE
Rating4.34.2Dreame L40s Ultra AE
Warranty3 years1 yearDreame L40s Ultra AE
Battery Life180 minutes120 minutesDreame L40s Ultra AE
Connectivity2.4 GHz WiFi2.4 GHz WiFi, 5 GHz WiFiiRobot Roomba Plus 505
IntegrationsGoogle Home, Alexa, Home AssistantGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatteriRobot Roomba Plus 505
Suction Power19000Pa7000PaDreame L40s Ultra AE
Auto RechargeYESYESTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie
Cliff DetectionYESYESTie
Multi-Room MappingYESYESTie
Winner
Dreame

Dreame L40s Ultra AE

8% OFF
$669.99
$729.99
Buy on Amazon USACheck price
  • + Price: $669.99
  • + Rating: 4.3
  • + Warranty: 3 years
  • - Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, 5 GHz WiFi
  • - 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 L40s Ultra AE or iRobot Roomba Plus 505?

Dreame L40s Ultra AE has the stronger overall profile in this comparison, especially for price, rating, and warranty.

What is the biggest difference between Dreame L40s Ultra AE and iRobot Roomba Plus 505?

Price is one of the clearest differences: Dreame L40s Ultra AE lists $669.99, while iRobot Roomba Plus 505 lists $699.99.

Which one looks better on price?

Dreame L40s Ultra AE is listed at $669.99, while iRobot Roomba Plus 505 is listed at $699.99. Dreame L40s Ultra AE (better spec).

Who should buy Dreame L40s Ultra AE?

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

Who should buy iRobot Roomba Plus 505?

Choose iRobot Roomba Plus 505 if your priority is connectivity and integrations and that matters more than price.

Full comparison table

Compare all 151 Robot Vacuums side by side

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