Ecovacs Deebot X9S Pro Omni vs Yeedi S20 Infinity: Which to Buy

The Yeedi S20 Infinity and the Ecovacs Deebot X9S Pro Omni are evenly matched, rated 4.4 and 4.3. The Ecovacs Deebot X9S Pro Omni wins on navigation and mopping. The Ecovacs Deebot X9S Pro Omni costs $82.21 less ($597.77 vs $679.98).

Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

Higher rated

Yeedi S20 Infinity

#18 in Self-cleaning dock4.4Full review

A strong-cleaning bagless roller-mop robot from ECOVACS’ sister brand; good results in testing, but yeedi publishes few specs and sells it only on Amazon.

Amazon $679.98

$679.98

Ecovacs Deebot X9S Pro Omni

#28 in Self-cleaning dock4.3Full review

A well-equipped roller-mop robot for pet homes on a mid-range budget, with dual cleaning solutions and a camera for checking in on pets.

Amazon $597.77

$597.77

Which should you buy?

Choose the Ecovacs Deebot X9S Pro Omni for navigation (LiDAR + camera vs LiDAR + 3D light) and mopping (Roller, lifts 15 mm, extends to edges vs Roller, extends to edges).

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.

Factor weight	Yeedi S20 Infinity	Ecovacs Deebot X9S Pro Omni
Overall rating	4.4/5	4.3/5
Cleaning 30%	86 measured 89% of sand from carpet, 100% of pet hair, no hair tangled	69 not yet tested; estimated from 11 tested Ecovacs robots and the median of the 80 tested robots
Value 25%	59 $680	67 $598
Dock 20%	100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent	90 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent
Navigation 15%	85 LiDAR + 3D light	100 LiDAR + camera
Mopping 10%	85 Roller, extends to edges	95 Roller, lifts 15 mm, extends to edges

Independent tests

Yeedi S20 Infinity

Tested by	Carpet deep clean	Pet hair	Hair tangle (0 = none)	Area per charge	Conditions
Vacuum Wars	89%	100%	0	1,335 sq ft	Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped).