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Robot Autonomy, Classified
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ComparisonDreame L60 Ultra PE and iRobot Roomba Plus 678 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 Dreame L60 Ultra PE Roomba Plus 678 Combo
Home size
Under 1,500 sqft Good240-minute runtime and above-average navigation efficiency (0.74 vs 0.71 in testing) comfortably complete compact home layouts in one run. GoodRecharge-and-resume and retained LiDAR mapping comfortably cover a compact single-level home in one scheduled run.
1,500 – 3,000they differ DependsNo per-charge coverage figure is published for this SKU; navigation efficiency tested above the category average in independent testing. GoodSystematic LiDAR mapping and recharge-and-resume are built for this range; typical single-level layouts complete in one scheduled run.
Over 3,000 DependsThe 250ml onboard dustbin is smaller than category norms, per independent testing, so larger homes rely more on the auto-empty dock. DependsIndependent multi-level or large-home coverage testing does not yet exist for this model; recharge-and-resume adds passes rather than eliminating them.
Primary floors
Hard floors GoodIndependent testing measured very low water use during mopping (0.25-0.30g vs 1.07g average), correlating with below-average stain removal on hard floors. GoodThe PowerSpin roller and LiDAR navigation are built around hard-floor vacuum-plus-mop runs.
Low / medium pile GoodIndependent testing measured 94% carpet deep-clean extraction and 100% flattened pet-hair pickup on low-to-medium pile carpet. GoodThe roller auto-lifts on low-pile carpet detection; suction performance on carpet is not independently benchmarked.
High pile / shag DependsNo independent test measured performance on high-pile or shag carpet specifically; deep-clean results (94%) were measured on lower-pile flooring. DependsNo independent suction or high-pile test results are documented for this model, and rated suction trails the Max-tier sibling.
Mopping needs
Vacuum only GoodStrong vacuum; the mop lifts or detaches when not needed. GoodStrong vacuum; the mop lifts or detaches when not needed.
Light mopping GoodActive mopping system covers routine floors easily. GoodActive mopping system covers routine floors easily.
Frequent mopping GoodPressure or rotating mop with self-wash is built for frequent mopping. GoodPressure or rotating mop with self-wash is built for frequent mopping.
You want to…
Empty bin myself GoodThe dock self-washes mop pads with boiling water and refills its own tank, so hands-on involvement isn't required by design. GoodThe dock automates roller washing and bin emptying, but a hands-on reader can still top off concentrate and run manual clean cycles.
Empty occasionally GoodWater-tank and detergent top-offs are needed on an unconfirmed cadence, consistent with occasional rather than daily attention. GoodThe AutoWash dock's self-wash and self-empty cycles handle most routine upkeep between periodic concentrate refills and bag swaps.
Set-and-forget DependsThe dock auto-dispenses an obligatory detergent solution the owner must periodically restock; refill cadence is not documented in sources reviewed. DependsThe dock automates washing and emptying, but the concentrate reservoir and self-empty bag still need periodic manual refills, so it is not fully hands-off.

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 recordDreame L60 Ultra PESpecifications, evidence, the Fit Check in full, and every tracked change.The full recordiRobot Roomba Plus 678 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.