Roborock Qrevo Curv
Tall or double-layer door sills
Publishes both a standard-threshold and a double-layer threshold figure, which is the number most sill-blocked buyers are actually shopping for.
No longer sold what replaced it
36 robot vacuums, 186 published figures, and a link to the page each one came from. Plus, on every model, the specifications its maker declines to publish.

These are specification sheets rather than hands-on reviews, and the distinction matters. We have not owned or handled any of these machines. What each page gives you is everything the manufacturer publishes, compiled in one place with a source on every row, plus a plain statement of who the machine suits and who should skip it.
The most useful thing on many of these pages is what is missing. Two of the six brands here publish no suction figure and no climb height for any model we cover, while marketing hardware aimed squarely at the problems those figures describe. Read the blanks alongside the numbers. How we pick explains why we leave them blank rather than filling them in.
Disclosure — some links on this page go to Amazon, and we earn a commission if you buy through them. It costs you nothing extra and it does not change what we recommend or in what order. The full disclosure.
11 of 29 models publish this figure. Every number below links to the page it came from.
Compiled from the manufacturers’ own published material — every row carries the date its figure was read. We have not measured any of these figures ourselves, see how we pick. Found an error? Tell us and we will correct it.
Tall or double-layer door sills
Publishes both a standard-threshold and a double-layer threshold figure, which is the number most sill-blocked buyers are actually shopping for.
No longer sold what replaced it

Thick carpet and tall sills in one house
The highest published suction figure here paired with the highest published mop lift, which is the combination a mixed-floor home actually needs.
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Getting under low furniture
An 80mm body with no LiDAR mast, which is the practical answer to a robot that stops dead at the sofa every run.
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Curv cleaning hardware, cheaper dock
The same 18,500 Pa figure and zero-tangling design as the Curv, in a trim with a longer stated self-empty interval.
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Edge and corner mopping
The extending side brush and mop are aimed squarely at the strip along the baseboard that round robots always miss.
No longer sold what replaced it
A first full-service dock
A published 10mm mop lift and a dock that washes, dries, empties and refills — the whole hands-off routine at the bottom of the range.
No longer sold what replaced it

Hot-water pad washing at mid price
Hot-water pad washing and dirt detection at a price where most combos still rinse the pad in cold water.
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Anti-tangle brushes at mid price
Roborock's anti-tangle brushes in the cheapest trim that has them, which is the spec that matters most in a long-hair house.
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Real LiDAR mapping at the low end
Proper 360-degree LiDAR mapping and an anti-tangle main brush at a price where a lot of robots still bounce off the walls.
No longer sold what replaced it

The cheapest self-emptying dock with real mapping
The Q7 M5's LiDAR and anti-tangle hardware, plus the self-emptying dock the plain M5 does not come with — and a stated bag capacity to go with it.
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The tallest published climb figure
The only model here that legs itself over a step rather than driving at it, and the only one that publishes the condition attached to its own headline number.
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A published 40mm climb without flagship money
States 40mm of obstacle clearing and a fully detangling brush, which covers the two problems that actually send robots back to the shop.
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Removable mop pads
The mop pads come off entirely rather than just lifting, which is the only version of mop lifting that guarantees a dry carpet.
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Hot mop washing at mid price
A 149F mop wash and an extending side brush in the trim below Dreame's flagship, with the same auto-refill dock.
No longer sold what replaced it

An older full dock at a lower price
An earlier generation that still does the full dock routine, which is why it keeps turning up cheap and is still worth a look.
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The highest published climb on this site
A roller mop bolted to the most aggressive climb figure any maker here publishes — and a spec sheet Dreame writes differently depending on which country's site you read.
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The most completely published spec sheet
eufy publishes an obstacle clearance, a mop lift, two runtimes and both tank capacities — more of its own numbers than any other maker here.
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A thin, cheap, offline robot
No app, no map, no cloud — a bump-and-turn robot that is thin enough to get under furniture the mapped machines cannot reach.
No longer sold what replaced it

A self-washing roller mop under flagship money
A rinsing roller mop and a five-function dock at mid-range price — the mechanism the expensive machines charge a lot more for.
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The tallest published mop lift on this site
eufy's flagship, and the only machine here that publishes a mop lift in inches rather than millimeters — a stated 1.1in, roughly double the next-highest figure we have recorded.
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A robot plus a detachable spot cleaner for carpet stains
The only machine on this site that ships with a second, hand-held cleaner stored in its dock — the robot flags a liquid stain on carpet and you lift the deep cleaner out to deal with it.
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The cheapest complete spec sheet here
One of the two least powerful machines on this site on paper, and the one that tells you the most about itself for the money — suction, climb, mop lift, runtime, bin and body height are all published.
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Mopping that rinses as it goes
A rotating roller mop that washes itself continuously while it cleans, instead of pushing one increasingly dirty pad around the house.
No longer sold what replaced it

Stairs and upholstery the robot cannot reach
Ships with a cordless stick vacuum docked alongside the robot, which is the only honest answer to stairs anyone sells.
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Mopping that rinses as it goes
The roller mop that washes itself continuously while it runs rather than pushing one increasingly dirty pad around, now with a cyclone-directed anti-tangle brush.
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Mopping without avoiding the carpet
The mop arm retracts to the top of the robot rather than lifting a few millimeters, so it can mop and vacuum in one pass without routing around rugs.
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Homes with a dog and a real risk of an accident
The vacuum-only j9+ is the model whose obstacle avoidance is specifically marketed against pet waste, which is a failure mode with a very high cost.
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Roomba hardware with LiDAR mapping
iRobot's move to LiDAR, which fixes the mapping complaint that dogged the camera-only Roombas in dim rooms.
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The cheapest Roomba that maps
iRobot's entry machine, and the first cheap one with real LiDAR — but it keeps the bristle brush, which is the wrong brush for a shedding household.
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The only Roomba with a stated Pa figure
Dual rubber anti-tangle brushes and a 90-day allergen-sealed dock — and the one place iRobot has printed an actual suction number instead of a multiple.
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A dock that also washes and dries the pad
Shark markets NeverStuck technology specifically at the getting-stuck problem, and then publishes no climb height to back it up.
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A cheaper self-emptying LiDAR robot
LiDAR mapping, HEPA filtration and a self-cleaning brushroll at a price well under the flagship docks.
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A vacuum-only Shark with no bags to buy
Vacuum only, with a bagless base and a stated HEPA claim — and almost nothing else published about it.
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Matrix grid cleaning at the bottom of Shark's range
Shark's grid-pattern cleaning and a HEPA self-empty base at the cheapest point Shark offers them, with the usual Shark silence on anything measurable.
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The best-documented roller mop
The roller-mop machine that publishes the most: suction, mop lift, wash temperature, drying temperature, dock interval, battery and a noise figure, all on one page.
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Narwal's spec sheet without Narwal's flagship price
The mid-range Narwal, and the one that shows the brand publishes consistently rather than only on its halo model: suction, climb, mop lift, body height and three wash temperatures.
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