Roborock S7 MaxV Ultra vs Dreame D9 Pro

Cleaning

	Roborock S7 MaxV Ultra	Dreame D9 Pro

Cleaning type	Dry and wet	Dry and wet
Suction power	5100 Pa	4000 Pa
Cleaning area	300 m²	250 m²
Water tank Capacity	200 ml	270 ml
Electric Controlled Water Tank	Yes	Yes
Number of side brushes	1 piece(s)	1 piece(s)
Overcoming the thresholds	up to 2 cm	up to 2 cm
Self cleaning base	Yes	No
Noise level	67 dB	72 dB
Turbo brush	Yes	Yes
Usage Area	Hard Floor+Carpet	Hard Floor+Carpet
Power	74 W	40 W
Keep Out Zones	Vacuum+Mop	Vacuum+Mop
Cleaning zone limiter	Mobile Application	Mobile Application
Climbing Threshold	20 mm	20 mm
Wet Mopping	Yes	Yes
Vibrating mopping pad	Yes	No
Cleaning time calculation	No	No
Cleaning Brush	n/a	Yes
Bump Prevention	Yes	Yes
SPOT Mode	n/a	Yes
Real-Time Location	Yes	n/a

	Roborock S7 MaxV Ultra	Dreame D9 Pro
Mapping	Yes	Yes
Mapping Type	Camera Lidar	Laser (LDS)
Manual robot control (from the app)	Yes	Yes
Selective Room Cleaning	Yes	Yes
Setting the suction power and water level for each room	No	No
Storing multiple cleaning maps in memory (cleaning multiple floors)	Yes	Yes

	Roborock S7 MaxV Ultra	Dreame D9 Pro
Voice prompts	Yes	Yes
Voice Assistant Support	Amazon Alexa Google Assistant	Amazon Alexa Google Assistant
Scheduled cleaning	Yes	Yes
Manual control (from the button on the vacuum cleaner)	Yes	Yes
Control from smartphone	Yes	Yes
Remote control	No	No
Suction Control	By Mobile Application	By Mobile Application Automatic

	Roborock S7 MaxV Ultra	Dreame D9 Pro
Dustbin Capacity	400 ml	570 ml
Bin Station	Yes	No
Dust collector filling indicator	Yes	No
Washable Dustbin	Yes	n/a

	Roborock S7 MaxV Ultra	Dreame D9 Pro
HEPA Filter	Yes	n/a
Washable Filter	Yes	Yes

	Roborock S7 MaxV Ultra	Dreame D9 Pro
Width	353 mm	350 mm
Height	96.5 mm	96.8 mm
Depth	350 mm	350 mm
Weight	4.7 kg	3.5 kg
Color	Black	Black
Included Equipment	robot vacuum cleaner base for emptying, rinsing and filling dock station power cable water tank side brush cleaning tool instruction warranty	Robot vacuum cleaner Charging dock Power adapter Nozzle for wet cleaning with a napkin Waterproof mat high quality filter Universal cleaning tool Instruction Warranty
Additionally	Instant Video Transfer Instant Audio Transfer Adaptive Route Algorithm Floating Main Brush Multiple Language Support Ultrasonic Carpet Detection Sonic Mopping Solid Rubber Brush Night Mode Security Lock Fast Charge Matrix Mapping Mop Cleaning Station Object Recognition Room Based Suction Power Setting Room Based Mode Set Room Based Mop Setting Auto Water Tank Filling PreciSense Lidar ReactiveAI 2.0 RGB Camera Hazard Recognition 3D Mapping 4 Different Mapping	Multiple Map Support