Dreame D30 Ultra CE vs iRobot Roomba 505X comparison

Updated August 2026

Data from Amazon and official Dreame and iRobot sites.

2026 verdict

Price and battery life split in the Dreame D30 Ultra CE's favor here: it typically costs less than the iRobot Roomba 505X, runs longer per charge, and backs it with a three-year warranty against one year. The iRobot Roomba 505X answers with 5GHz Wi-Fi alongside 2.4GHz and integrations that reach Apple HomeKit with Siri, Samsung SmartThings and Matter, none of which the Dreame D30 Ultra CE supports. Both robots use LiDAR navigation and a dock that washes and dries their mop pads and empties itself, with mop pads that lift automatically over carpet. If smart home breadth matters most, the iRobot Roomba 505X covers more ground; for battery life, warranty and price, the Dreame D30 Ultra CE comes out ahead.

Winner

Dreame

Dreame D30 Ultra CE

8% OFF

$459.99

$499.99

Buy on Amazon USA

iRobot

iRobot Roomba 505X

17% OFF

$829.00

$999.99

Buy on Amazon USA

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Feature	Dreame D30 Ultra CE	iRobot Roomba 505X	Winner
Price	$459.99	$829.00	Dreame D30 Ultra CE
Warranty	3 years	1 year	Dreame D30 Ultra CE
Battery Life	230 minutes	120 minutes	Dreame D30 Ultra CE
Connectivity	2.4 GHz WiFi	2.4 GHz WiFi, 5 GHz WiFi	iRobot Roomba 505X
Integrations	Google Home, Alexa, Home Assistant	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	iRobot Roomba 505X
Rating	4.2	4.2	Tie
Auto Recharge	YES	YES	Tie
Navigation Type	Laser (LiDAR)	Laser (LiDAR)	Tie
Obstacle Detection	YES	YES	Tie
Cliff Detection	YES	YES	Tie
Multi-Room Mapping	YES	YES	Tie
No-Go Zones	YES	YES	Tie

Winner

Dreame

Dreame D30 Ultra CE

8% OFF

$459.99

$499.99

Buy on Amazon USA

+ Price: $459.99
+ Warranty: 3 years
+ Battery Life: 230 minutes
- 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

iRobot

iRobot Roomba 505X

17% OFF

$829.00

$999.99

Buy on Amazon USA

+ Connectivity: 2.4 GHz WiFi, 5 GHz WiFi
+ Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- Price: $829.00 vs $459.99
- Warranty: 1 year vs 3 years

Frequently Asked Questions

Which is better overall: the Dreame D30 Ultra CE or the iRobot Roomba 505X?

The Dreame D30 Ultra CE wins on price, battery life and warranty, while the iRobot Roomba 505X answers with broader smart home integrations.

What is the biggest difference between these two robot vacuums?

Connectivity and integrations favor the iRobot Roomba 505X, which adds Apple HomeKit, Samsung SmartThings and Matter. Battery life, price and warranty favor the Dreame D30 Ultra CE.

Does the iRobot Roomba 505X support Apple HomeKit?

Yes, with Siri voice control, along with Samsung SmartThings and Matter, none of which the Dreame D30 Ultra CE supports.

Which has the longer warranty?

The Dreame D30 Ultra CE, at three years, compared with one year on the iRobot Roomba 505X.

Who should buy the iRobot Roomba 505X?

Buyers who want the widest smart home reach, including Apple HomeKit and Samsung SmartThings.

Who should buy the Dreame D30 Ultra CE?

Buyers who want a longer battery life, a longer warranty and a lower typical price.

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