Dreame D30 Ultra CE vs iRobot Roomba Plus 515 Combo Robot + AutoWash Dock

Updated September 2026

Data from Amazon and official Dreame and iRobot sites.

2026 verdict

Cost Edition still beats the longer Roomba: the Dreame D30 Ultra CE wins this robot vacuum matchup on a 3-year warranty, Home Assistant, and 25000Pa suction against the iRobot Roomba Plus 515 Combo Robot + AutoWash Dock.

Winner

Dreame D30 Ultra CE

$599.99

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The 515 keeps the runtime crown at 295 minutes versus 230, plus 5 GHz Wi-Fi the CE does not have. Both are LiDAR combo robots with self-emptying, self-washing docks. Pick the Dreame D30 Ultra CE for pickup and coverage terms; pick the iRobot Roomba Plus 515 Combo Robot + AutoWash Dock if you need the extra hour of runtime and 5 GHz radios more than 25000Pa.

Winner

Dreame

Dreame D30 Ultra CE

$599.99

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iRobot

iRobot Roomba Plus 515 Combo Robot + AutoWash Dock

14% OFF

$599.99

$699.99

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Feature	Dreame D30 Ultra CE	iRobot Roomba Plus 515 Combo Robot + AutoWash Dock	Winner
Warranty	3 years	1 year	Dreame D30 Ultra CE
Battery Life	230 minutes	295 minutes	iRobot Roomba Plus 515 Combo Robot + AutoWash Dock
Connectivity	2.4 GHz WiFi	2.4 GHz WiFi, 5 GHz WiFi	iRobot Roomba Plus 515 Combo Robot + AutoWash Dock
Integrations	Google Home, Alexa, Home Assistant	Google Home, Alexa	Dreame D30 Ultra CE
Suction Power	25000Pa	22000Pa	Dreame D30 Ultra CE
Price	$599.99	$599.99	Tie
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

Winner

Dreame

Dreame D30 Ultra CE

$599.99

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+ Warranty: 3 years
+ Integrations: Google Home, Alexa, Home Assistant
+ Suction Power: 25000Pa
- Battery Life: 230 minutes vs 295 minutes
- Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, 5 GHz WiFi

iRobot

iRobot Roomba Plus 515 Combo Robot + AutoWash Dock

14% OFF

$599.99

$699.99

Buy on Amazon USACheck price

+ Battery Life: 295 minutes
+ Connectivity: 2.4 GHz WiFi, 5 GHz WiFi
- Warranty: 1 year vs 3 years
- Integrations: Google Home, Alexa vs Google Home, Alexa, Home Assistant

Frequently Asked Questions

Which is better overall: the Dreame D30 Ultra CE or the iRobot Roomba Plus 515 Combo Robot + AutoWash Dock?

The Dreame D30 Ultra CE is the stronger overall robot vacuum, winning on warranty, integrations, and 25000Pa suction. The iRobot Roomba Plus 515 Combo Robot + AutoWash Dock wins on battery life and 5 GHz Wi-Fi.

What is the biggest difference between the D30 Ultra CE and the Roomba Plus 515?

Suction and warranty versus radios. The Dreame D30 Ultra CE is rated at 25000Pa with a 3-year warranty. The iRobot Roomba Plus 515 Combo Robot + AutoWash Dock is rated at 22000Pa, 295 minutes, and 5 GHz Wi-Fi.

Do both robots empty into a dock bag for months?

The Dreame D30 Ultra CE auto-empties into a 3.2L bag. The iRobot Roomba Plus 515 Combo Robot + AutoWash Dock also self-empties, with iRobot rating that dock for months between bag changes. Both wash and dry mop pads.

Who should buy the Dreame D30 Ultra CE?

Buyers who want 25000Pa suction, dual rotary mops on a heated washboard, a 3-year warranty, and Home Assistant.

Who should buy the iRobot Roomba Plus 515 Combo Robot + AutoWash Dock?

Large homes that want a 295-minute battery and 5 GHz Wi-Fi on a 22000Pa self-washing combo robot.

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