Roborock S8 Max Ultra vs ECOVACS DEEBOT N20 Plus

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

WINNER

Roborock S8 Max Ultra

Roborock — #5 overall

8.4/10

$1,599

ECOVACS — #27 overall

6.2/10

$399

Roborock S8 Max Ultra is the clear winner, outscoring ECOVACS DEEBOT N20 Plus by 2.2 points. However, ECOVACS DEEBOT N20 Plus has 75% cheaper.

Criteria	Weight	Roborock S8 Max Ultra	ECOVACS DEEBOT N20 Plus
Total Score	—	8.4/10	6.2/10
🗺️Navigation & Obstacle Tech	2x	94%*	78%
💨Suction Power	1x	92%*	80%
📐Edge Cleaning	1x	92%*	75%
💇Tangle-Free Rollers	1x	88%*	72%
🧹Mop System	1x	88%*	55%
🔥Mop Drying	0.5x	90%*	0%
🧴Integrated Soap	0.5x	85%*	0%
🔄Mop Versatility	0.5x	60%*	25%
🗑️Auto-Empty Reliability	1x	92%*	80%
📦Bin Capacity	0.5x	88%*	75%
⏱️Refill Frequency	0.5x	88%*	75%
🧗Obstacle Mobility	1x	45%*	30%
📏Low Clearance	0.5x	45%	50%*
📱App Quality	1x	94%*	78%
Price	—	$1,599	$399
Pros		+10,000 Pa HyperForce suction +FlexiArm side brush reaches edges +Hot water mop washing (60°C) +Excellent AI obstacle avoidance	+Self-empty under $500 +8,000 Pa suction +LiDAR navigation +ECOVACS app quality
Cons		-Premium price -Large dock footprint -Incremental update over S8 MaxV	-No mop washing/drying -No AI obstacle avoidance -Basic mop pad system
Suction		10,000 Pa	8,000 Pa
Navigation		LiDAR + Camera + AI Avoidance	LiDAR
Mop Type		Sonic + Auto-Wash	Pad
Self-Empty		Yes (60 days)	Yes (60 days)
Runtime		180 min	300 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