Roborock S8 Pro Ultra vs Shark IQ Robot Self-Empty

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

WINNER

Roborock S8 Pro Ultra

Roborock — #12 overall

7.9/10

$1,099

Shark — #35 overall

5.0/10

$299

Roborock S8 Pro Ultra is the clear winner, outscoring Shark IQ Robot Self-Empty by 2.9 points. However, Shark IQ Robot Self-Empty has 73% cheaper.

Criteria	Weight	Roborock S8 Pro Ultra	Shark IQ Robot Self-Empty
Total Score	—	7.9/10	5.0/10
🗺️Navigation & Obstacle Tech	2x	88%*	62%
💨Suction Power	1x	85%*	72%
📐Edge Cleaning	1x	85%*	68%
💇Tangle-Free Rollers	1x	88%*	75%
🧹Mop System	1x	85%*	0%
🔥Mop Drying	0.5x	85%*	0%
🧴Integrated Soap	0.5x	80%*	0%
🔄Mop Versatility	0.5x	50%*	0%
🗑️Auto-Empty Reliability	1x	88%*	75%
📦Bin Capacity	0.5x	85%*	65%
⏱️Refill Frequency	0.5x	85%*	72%
🧗Obstacle Mobility	1x	40%*	30%
📏Low Clearance	0.5x	45%	55%*
📱App Quality	1x	90%*	62%
Price	—	$1,099	$299
Pros		+Proven reliability +Dual rubber brushes +6,000 Pa suction +Sonic mopping vibration	+Self-empty under $300 +Row-by-row cleaning +Home mapping +Self-cleaning brushroll
Cons		-Older than S8 MaxV Ultra -No AI obstacle camera -Large dock	-Basic navigation -No mopping -Smaller dustbin
Suction		6,000 Pa	2,000 Pa
Navigation		LiDAR	Basic
Mop Type		Sonic + Auto-Wash	None
Self-Empty		Yes (60 days)	Yes (45 days)
Runtime		180 min	90 min
Mobility
Obstacle Climbing		Standard	Standard
Retractable LiDAR		No	No
Adaptive Chassis		No	No
Multi-Mop Switch		No	No
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