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Robot Autonomy, Classified
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ComparisonEcovacs Deebot Ozmo 950 and iRobot Roomba Plus 515 Combo

Up to three

All robot vacuums. Every figure below is placed against the whole class, so a gap can be read against how much the class itself varies.

Where each one suits you.

The conditions each robot was assessed against, side by side. Rows marked in gold are where these machines genuinely differ.

Fit verdicts by condition for each robot
Condition Deebot Ozmo 950 Roomba Plus 515 Combo
Home size
Under 1,500 sqft Good90-minute runtime; adequate for <1500 sqft in one-pass if layout is open-plan. GoodA 295-minute, 2,000 sq ft rating per charge covers a home this size in one run.
1,500 – 3,000 GoodMulti-floor mapping; schedule rooms separately for >1500 sqft homes across two levels. GoodiRobot rates a charge at 2,000 sq ft, covering most homes in this range in one run.
Over 3,000 DependsCapable but 120-minute runtime exceeds realistic one-pass coverage. Two-session scheduling standard. DependsRated 2,000 sq ft per charge, and recharge-and-resume behavior is not documented for this model.
Primary floors
Hard floors GoodLiDAR works on all hard-floor types; mop drag requires minimal standing water. Daily pre-sweep recommended. GoodSpinning DualClean pads at 180 RPM with SmartScrub target dried spills on sealed hard floors.
Low / medium pile GoodMop pad does not lift; standard operation on low-pile but pre-sweep high-dust areas. GoodCarpet detection lifts the pads 10 mm before crossing rugs, per iRobot.
High pile / shag DependsMop pad cannot navigate high-pile or shag. Set no-mop zones; vacuuming-only still works. DependsA 10 mm pad lift may not clear dense pile, and no independent carpet test exists for this model.
Mopping needs
Vacuum only GoodVacuums first; the mop pad is optional. GoodStrong vacuum; the mop lifts or detaches when not needed.
Light mopping GoodFlat mop pad handles light, routine wiping of hard floors. GoodActive mopping system covers routine floors easily.
Frequent moppingthey differ DependsA dragged pad freshens floors but lacks the pressure or scrubbing for heavy, frequent mopping. GoodPressure or rotating mop with self-wash is built for frequent mopping.
You want to…
Empty bin myself GoodWeekly mop pad rinse and dock wipe required; owner forums confirm 60-75 minutes per month. GoodHands-on upkeep is light; the dock handles debris, water and pad washing.
Empty occasionallythey differ DependsDust-bin emptying is hands-off; mop maintenance is hands-on. Mixed commitment; dock-maintenance cadence can drift. GoodOwner tasks come down to brush checks, adding solution and a tank service every few months.
Set-and-forgetthey differ PoorMop drag system and dock cartridge replacement demands weekly + quarterly owner involvement. GoodiRobot rates the dock for up to three months without emptying bins or handling water.

A robot being poor for a condition is a fact about fit, not a fault. “Depends” means the record names a limit worth reading, not that the answer is unknown.

Keep going.

The full recordEcovacs Deebot Ozmo 950Specifications, evidence, the Fit Check in full, and every tracked change.The full recordiRobot Roomba Plus 515 ComboSpecifications, evidence, the Fit Check in full, and every tracked change.

Robovations classifies robots; it does not rank them. Nothing on this page is a recommendation, and no manufacturer influences a classification or its placement here.