Dreame L40s Ultra AE vs Ecovacs Deebot T80S Omni: Which to Buy

The Ecovacs Deebot T80S Omni is the better robot vacuum overall, rated 4.5 to 4.2. The Ecovacs Deebot T80S Omni leads on cleaning and mopping. The Dreame L40s Ultra AE costs $3.87 less ($669.99 vs $673.86).

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

Ecovacs Deebot T80S Omni

#4 in Self-cleaning dock4.5Full review

One of the best carpet cleaners among mid-price roller-mop robots, with a full hot-water dock; a good fit for mixed carpet and hard floors where thresholds are low.

Amazon $673.86

$673.86

Dreame L40s Ultra AE

#41 in Self-cleaning dock4.2Full review

For buyers who want an AI camera for obstacle avoidance and remote viewing on a full self-cleaning dock; for carpet and pet hair, the plain L40s Ultra measured better.

Amazon $669.99

$669.99

Which should you buy?

Choose the Ecovacs Deebot T80S Omni for cleaning (measured 91% of sand from carpet, 100% of pet hair, no hair tangled vs measured 85% of sand from carpet, 80.8% of pet hair, no hair tangled) and mopping (Roller, lifts 15 mm, extends to edges vs Dual spinning pads, lifts 10.5 mm, 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	Ecovacs Deebot T80S Omni	Dreame L40s Ultra AE
Overall rating	4.5/5	4.2/5
Cleaning 30%	90 measured 91% of sand from carpet, 100% of pet hair, no hair tangled	66 measured 85% of sand from carpet, 80.8% of pet hair, no hair tangled
Value 25%	60 $674	60 $670
Dock 20%	94 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying	100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent
Navigation 15%	100 LiDAR + camera	100 LiDAR + camera
Mopping 10%	95 Roller, lifts 15 mm, extends to edges	76 Dual spinning pads, lifts 10.5 mm, extends to edges

Independent tests

Ecovacs Deebot T80S Omni

Tested by	Carpet deep clean	Pet hair	Hair tangle (0 = none)	Area per charge	Conditions
Vacuum Wars	91%	100%	0	1,132 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).