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Robot Autonomy, Classified
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ComparisonDyson 360 Heurist and Roborock Q7 L5

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 Dyson 360 Heurist Roborock Q7 L5
Home size
Under 1,500 sqft Good120 min runtime covers single-floor homes under 1,500 sqft; systematic camera-based mapping ensures no missed areas. GoodVacuum Wars estimated about 1,465 sq ft per charge, enough for a home this size in one run.
1,500 – 3,000they differ Depends120 min runtime may require 2 sessions for 1,500-3,000 sqft; multi-floor scheduling via app required. GoodRecharge and resume lets it finish larger homes after returning to its dock, per Vacuum Wars.
Over 3,000they differ Poor120 min runtime insufficient for full-home coverage over 3,000 sqft in typical layouts. DependsThe 400 ml bin has no auto-empty, so very large homes may fill it before the run ends.
Primary floors
Hard floors GoodTrack drive provides stable traction on hard floors; no slip-out issues reported in owner forums. GoodVacuum Wars found it collected debris of various sizes on hard floors with minimal scattering.
Low / medium pilethey differ GoodCarpet transition handled by track drive; owner reports document reliable low-pile cleaning. DependsVacuum Wars found it weaker on fine carpet debris, though it removed 80% of embedded sand.
High pile / shag DependsSuction not documented in manufacturer specs; owner reports suggest adequate (not exceptional) high-pile cleaning. Tracks add weight for compression. DependsNo high-pile test was found, and Vacuum Wars recorded weak pet hair pickup from carpet fibers.
Mopping needs
Vacuum only GoodVacuum-only robot — matches a vacuum-only need. GoodVacuums first; the mop pad is optional.
Light moppingthey differ PoorThis model has no mopping function. GoodFlat mop pad handles light, routine wiping of hard floors.
Frequent moppingthey differ PoorNo mop at all; choose a vacuum-and-mop robot instead. DependsA dragged pad freshens floors but lacks the pressure or scrubbing for heavy, frequent mopping.
You want to…
Empty bin myself GoodNo self-empty dock or auto-wash; manual bin emptying and brush cleaning every 1-2 weeks. Track maintenance adds complexity. GoodOwners who empty bins and detangle brushes will manage its fully manual upkeep.
Empty occasionallythey differ GoodWeekly brush and track inspection; monthly filter change. Track-specific wear requires occasional deep clean. DependsEvery run needs the 400 ml bin emptied by hand, and long hair tangles the brush.
Set-and-forget PoorManual emptying required after each session; track drive requires more maintenance than wheel-based robots. No auto-features available. PoorNo auto-empty dock, no mop lift and heavy hair tangling mean it cannot run for days unattended.

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 recordDyson 360 HeuristSpecifications, evidence, the Fit Check in full, and every tracked change.The full recordRoborock Q7 L5Specifications, 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.