Ecovacs Deebot X9 Pro Omni vs iRobot Roomba Plus 405 Combo

Last updated: November 1, 2026

The Ecovacs Deebot X9 Pro Omni is the better robot vacuum overall, rated 4.3 to 3.2. The Ecovacs Deebot X9 Pro Omni leads on cleaning, navigation and mopping.

Ecovacs Deebot X9 Pro Omni vs iRobot Roomba Plus 405 Combo

Prices were last checked November 1, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

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 weightEcovacs Deebot X9 Pro OmniiRobot Roomba Plus 405 Combo
Overall rating4.3/53.2/5
Cleaning 30%84 measured 89% of sand from carpet, 97.5% of pet hair, no hair tangled11 measured 58% of sand from carpet, 49.5% of pet hair, some hair tangled (0.2)
Value 25%50 $80050 $800
Dock 20%90 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent87 Self-empties the bin, washes the mop
Navigation 15%100 LiDAR + camera65 LiDAR
Mopping 10%90 Roller, lifts 10 mm, extends to edges56 Dual spinning pads

Independent tests

Ecovacs Deebot X9 Pro Omni

Tested byCarpet deep cleanPet hairHair tangle (0 = none)Area per chargeConditions
Vacuum Wars89%97.5%01,063 sq ftEmbedded 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).

iRobot Roomba Plus 405 Combo

Tested byCarpet deep cleanPet hairHair tangle (0 = none)Area per chargeConditions
Vacuum Wars58%49.5%0.21,421 sq ftEmbedded 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).

Specifications

Ecovacs Deebot X9 Pro OmniiRobot Roomba Plus 405 Combo
Vacuum
Claimed suction16,600 Pa-
Main brushsingle floating bristle brush (cyclone-directed, ZeroTangle 3.0)multi-surface rubber brush
Dustbin220 mL-
Extending side brushNo-
Mopping
MopRoller, lifts 10 mm, extends to edgesDual spinning pads
Mop lift10 mm-
Leaves mop at dockNoNo
Extending mopYesNo
Water tank110 mL-
Dock
DockWashes mop + emptiesWashes mop + empties
Self-emptiesYesYes
Dust bag3 L-
Washes mopYesYes
Hot-water washYes-
Hot-air dryingYesNo
Detergent dosingYes-
Water hookup optionNo-
Clean water tank4 L-
Navigation & app
NavigationLiDAR + cameraLiDAR
Obstacle avoidanceRGB camera with fill light plus 3D depth sensing and AI object recognition (AIVI 3D 3.0)Object sensing (sensor type not given)
Climbs thresholds20 mm-
Voice assistants-Alexa, Siri, Google Assistant
Build
Height3.9 in (98 mm)4.2 in (107 mm)
Retracting LiDARNo-
Battery6,400 mAh-
Run timeUp to 4 h 12 min-
Weight-9.1 lb (4.1 kg)
Warranty1 year-
Released2025-052025-03

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