Roborock Qrevo S vs Roborock S7 Max Ultra

A detailed side-by-side comparison scored on 14 objective criteria with weighted scoring (max 12 points).

WINNER

Roborock Qrevo S

Roborock — #16 overall

7.8/10

$999

Roborock — #19 overall

7.7/10

$799

These are very closely matched. Roborock Qrevo S wins by just 0.1 points. However, Roborock S7 Max Ultra has 20% cheaper.

Criteria	Weight	Roborock Qrevo S	Roborock S7 Max Ultra
Total Score	—	7.8/10	7.7/10
🗺️Navigation & Obstacle Tech	2x	85%	85%
💨Suction Power	1x	82%	82%
📐Edge Cleaning	1x	90%*	82%
💇Tangle-Free Rollers	1x	82%	85%*
🧹Mop System	1x	85%	85%
🔥Mop Drying	0.5x	85%	85%
🧴Integrated Soap	0.5x	80%	80%
🔄Mop Versatility	0.5x	50%*	45%
🗑️Auto-Empty Reliability	1x	85%	88%*
📦Bin Capacity	0.5x	82%	82%
⏱️Refill Frequency	0.5x	85%	85%
🧗Obstacle Mobility	1x	40%*	35%
📏Low Clearance	0.5x	42%	45%*
📱App Quality	1x	88%	90%*
Price	—	$999	$799
Pros		+FlexiArm reaches tight spaces +Full dock automation +Dual spinning mops +7,000 Pa suction	+Excellent value when discounted +Proven reliability +Full dock automation +Sonic mopping
Cons		-No AI obstacle avoidance -Less suction than flagships -Newer model, less proven	-Previous generation -No AI obstacle camera -Less suction than S8 line
Suction		7,000 Pa	5,500 Pa
Navigation		LiDAR	LiDAR
Mop Type		Rotating + Auto-Wash	Sonic + Auto-Wash
Self-Empty		Yes (50 days)	Yes (60 days)
Runtime		180 min	180 min
Mobility
Obstacle Climbing		Standard	Standard
Retractable LiDAR		No	No
Adaptive Chassis		No	No
Multi-Mop Switch		No	No
		Check Price Full Review	Check Price Full Review