Head to head
Roborock Saros 20 Flow Complete vs Dreame X40 Ultra: what’s confirmed?
One robot was unveiled in September 2026 and one has sold since 2024. This page shows which of their figures a maker page confirms and which are still open.
This page checks
- AvailabilityWhether a US buyer can order it
- Pull and washSuction and dock water temperature
- Mop and obstaclesMop lift, solution and object recognition
- ThresholdsWhat each page says about climbing
Roborock
Pre-release; Roborock's US store sells the Saros 20 Flow instead
Dreame
Where to buy
Press reviews confirm dual-mop hard-floor performance with carpet limitations
Full specifications18 figures on record · 10 differ
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Saros 20 Flow Complete
X40 UltraWhat is confirmed
Each figure, with where it was read
The Saros 20 Flow Complete has no US price or release date: coverage says it is slated for about November, and its figures come from Roborock's Singapore page. That page prints 36,000 Pa and a 212°F dock wash. The X40 Ultra's page prints 12,000 Pa and a 158°F wash.
Slated for about November. Roborock's US store lists the Saros 20 Flow, a separate listing. No US price found.
Trade press report, Sep 2026A Dreame US product page exists. Price and stock did not load, so neither is confirmed.
Dreame US product page36,000Pa
Printed as 36,000 Pa on the Singapore page.
Roborock Singapore page12,000Pa
Printed as 12,000 Pa.
Dreame global page212°F
Printed as an upper limit. Warm-air drying is printed as 145°F; trade coverage says 131°F.
Roborock Singapore page158°F
Four temperature levels.
Dreame global pagePage lists an auto detergent dispenser. Trade coverage says automatic detergent mixing.
Roborock Singapore pagePage lists automatic water and solution refilling. Dosing details were not found.
Dreame global page0.59in
Printed as a 0.59 in (15 mm) maximum roller lift.
Roborock Singapore page0.4in
Printed as 0.4 in (10.5 mm).
Dreame global page300+types
Reactive AI camera-based avoidance; the figure is the maker's claim.
Roborock Singapore page120+types
The figure is the maker's claim.
Dreame global page3.46in
Printed as up to 3.46 in (8.8 cm) for double-layer thresholds.
Roborock Singapore pageNot found
No threshold figure on the page. The record's 0.9 in could not be confirmed.
Searched Dreame global pageSame on both: a self-emptying dock with a hot-water mop wash, and a mop that lifts clear of carpet.
Your home
How each one fits a home like yours
Set the conditions that describe your home. Each robot answers from its own Fit Check; nothing is scored until you choose.
Fit check
Describe your home
Pick what applies. Each robot answers from its own record.
Everything else
Where they land among 259 robot vacuums
Only the measures on which these two differ. The bar is the whole category; the block is the typical middle half; the tick is the median.
Sources
Where every figure comes from
- Saros 20 Flow Complete · sg.roborock.com product page (2 Oct 2026); Ubergizmo IFA report, 4 Sep 2026; us.roborock.com Saros 20 Flow page, checked and set aside as a different listing
- Dreame X40 Ultra · global.dreametech.com product page (2 Oct 2026); Dreame US page title only, content did not load
Figures were read from each maker's page on 2 Oct 2026. The Saros 20 Flow Complete page is Roborock's Singapore page, and the US Saros 20 Flow page was not used for it.
Questions
What readers ask
Is the Roborock Saros 20 Flow Complete available to buy yet?
Not in the US as of 2 Oct 2026. Coverage of its 3 Sep 2026 unveiling says it is slated for about November, and no US price was found. Roborock’s US store sells the Saros 20 Flow.
How does the Saros 20 Flow Complete's mop differ from the X40 Ultra's?
Roborock’s page describes a pressurized self-cleaning roller mop that lifts 0.59 in (15 mm). Dreame’s page lists a 0.4 in lift and a 158°F wash. The Dreame page text checked does not say whether its mops are pads or rollers.
Do both robots clear the same threshold height?
No threshold figure was found for the X40 Ultra. Roborock’s Singapore page prints up to 3.46 in (8.8 cm) for double-layer thresholds on the Saros 20 Flow Complete.
Common questions