Roborock S8 Pro Ultra vs eufy S1 Pro

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

Roborock S8 Pro Ultra

Roborock — #12 overall

7.9/10

$1,099

eufy — #15 overall

7.9/10

$1,199

These are very closely matched. Roborock S8 Pro Ultra wins by just 0.0 points.

Criteria	Weight	Roborock S8 Pro Ultra	eufy S1 Pro
Total Score	—	7.9/10	7.9/10
🗺️Navigation & Obstacle Tech	2x	88%	88%
💨Suction Power	1x	85%	85%
📐Edge Cleaning	1x	85%*	82%
💇Tangle-Free Rollers	1x	88%*	85%
🧹Mop System	1x	85%	92%*
🔥Mop Drying	0.5x	85%	88%*
🧴Integrated Soap	0.5x	80%	85%*
🔄Mop Versatility	0.5x	50%	55%*
🗑️Auto-Empty Reliability	1x	88%	88%
📦Bin Capacity	0.5x	85%	85%
⏱️Refill Frequency	0.5x	85%	85%
🧗Obstacle Mobility	1x	40%	40%
📏Low Clearance	0.5x	45%*	42%
📱App Quality	1x	90%*	80%
Price	—	$1,099	$1,199
Pros		+Proven reliability +Dual rubber brushes +6,000 Pa suction +Sonic mopping vibration	+Floor-washing roller mop +Sleek modern dock design +Strong suction +AI obstacle avoidance
Cons		-Older than S8 MaxV Ultra -No AI obstacle camera -Large dock	-Premium price for eufy -Newer flagship, less proven -Roller mop needs maintenance
Suction		6,000 Pa	8,000 Pa
Navigation		LiDAR	LiDAR + Camera + AI Avoidance
Mop Type		Sonic + Auto-Wash	Rotating + Auto-Wash
Self-Empty		Yes (60 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