Ecovacs Deebot T90S Omni vs Yeedi S20 Infinity: Which to Buy

The Yeedi S20 Infinity and the Ecovacs Deebot T90S Omni are evenly matched, rated 4.4 and 4.3. The Ecovacs Deebot T90S Omni wins on navigation and mopping.

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 T90S Omni

#24 in Self-cleaning dock4.3Full review

A slightly cheaper T90S roller-mop robot for mixed-floor homes; check the price gap to the T90S Pro Omni before buying.

Amazon $679.99

$679.99

Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Choose the Ecovacs Deebot T90S 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 T90S 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	71 not yet tested; estimated from 10 tested Ecovacs robots and the median of the 70 tested robots
Value 25%	59 $680	59 $680
Dock 20%	100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent	100 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).