Head to head · Updated Sep 27, 2026

Dreame D20 Air Plus vs Roborock Q7 M5+

Two budget self-emptying robots with LiDAR and anti-tangle brushes. The Dreame costs about $70 less, has twice the suction and a longer-lasting dust bag; the Roborock has an enormous review history.

Dreame

Dreame D20 Air Plus

4.2 (3,650)6.5

Suction: 20,000 Pa
Runtime: 150 min
Height: 3.73 in
Dock: Self-empty

$227.99~~$349.99~~−35%Amazon price as of Sep 27, 2026

Check price on Amazon Full review

Roborock

Roborock Q7 M5+

4.0 (25,360)5.5

Suction: 10,000 Pa
Runtime: 150 min
Height: 3.9 in
Dock: Self-empty

$299.99~~$359.99~~−17%Amazon price as of Sep 27, 2026

Check price on Amazon Full review

Quick verdict

Which one should you buy?

The D20 Air Plus is the better buy; the Q7 M5+ is a safe, proven alternative.

Choose the Dreame D20 Air Plus if…

You want the most for your money: 20,000 vs 10,000 Pa, a 4 L bag that lasts up to 120 days (vs 7–9 weeks), a 3-year warranty and Amazon as the seller.

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Choose the Roborock Q7 M5+ if…

You trust Roborock's app and track record (25,000+ ratings) and want 2 cm threshold climbing that Roborock publishes.

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Editor scores

How they stack up

Dreame D20 Air Plus
Roborock Q7 M5+

Key differences

By the numbers

Dreame D20 Air Plus costs less: $227.99 vs $299.99 ($72 difference, Amazon prices as of Sep 27, 2026)
Dreame D20 Air Plus has more claimed suction: 20,000 Pa vs 10,000 Pa
Dreame D20 Air Plus is slimmer (fits under lower furniture): 3.73 in vs 3.9 in
Dreame D20 Air Plus goes longer between bag changes: 120 days vs 49 days
Dreame D20 Air Plus is rated higher on Amazon: 4.2★ (3,650 ratings) vs 4.0★ (25,360)

Open in the interactive comparator Check both in the fit finder

Full specs

Spec by spec

Spec	Dreame D20 Air Plus	Roborock Q7 M5+
Cleaning
Max suction (claimed)	20,000 Pa	10,000 Pa
Mop system	Pad, no lift (electronic water tank)	Detachable pad (vacuum and mop together)
Anti-tangle brushes	Yes	Yes
Navigation & fit
Navigation	LiDAR	PreciSense LiDAR
Obstacle avoidance	None (LiDAR + bump sensors)	None (LiDAR + bump sensors)
Robot height	3.73 in	3.9 in
Threshold climbing	—	0.79 in
Battery
Max runtime (claimed)	150 min	150 min
Battery	3,200 mAh	3,200 mAh
Dock & maintenance
Self-emptying	Yes	Yes
Dust bag capacity	120 days	49 days
Washes the mop	No	No
Hot-air mop drying	No	No
Refills its own water	No	No
Other
Noise (claimed)	—	65 dB
Voice assistants	Alexa, Google Home	Alexa, Google Home
Warranty	3 years	1 year
Editor scores (0–10)
Suction	8	6
Navigation	5	5
Mopping	3	3
Hands-free	6	5
Low profile	4	3
Pet hair	7	7
Value	9	7
Overall editor score	6.5	5.5

“Best” marks the stronger value in each row. A dash means the value isn’t published. Dreame D20 Air Plus wins 3 spec rows, Roborock Q7 M5+ wins 0. Scores follow our rating rules.

Pros & cons

What owners and specs say

Dreame D20 Air Plus

20,000 Pa suction
120-day self-emptying bag
Anti-tangle brushes
3-year warranty, sold by Amazon

No obstacle avoidance
Basic mop, no lift
3,200 mAh battery

Roborock Q7 M5+

Self-emptying (7–9 weeks)
Anti-tangle brushes for pet hair
Reliable LiDAR mapping
25,000+ ratings

No obstacle avoidance
Mop pad is washed by hand
Louder (65 dB)

Frequently asked questions

Which has more suction?

The Dreame D20 Air Plus: 20,000 Pa versus 10,000 Pa claimed.

Do they mop?

Both can mop lightly with a pad that doesn't lift, so they aren't ideal for homes with rugs.

How often do I change the bag?

Dreame rates its 4 L bag for up to 120 days; Roborock rates its 2.7 L bag for 7–9 weeks.

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