Dreame X50 Ultra vs Roborock Saros 20
4 questions both answer, side by side. Every answer is backed by the dated sources at the bottom.
Side by side
Can a robot vacuum deep-clean carpet?
The Dreame X50 Ultra scored 83 in the carpet deep-clean test, the lowest of these four.
Good to know: Lab test on one unit; it still had the best pet hair pickup of the four.
The Saros 20 scored 89 in the carpet deep-clean test.
Good to know: Lab test on one unit.
Can a robot vacuum get over high door thresholds?
The X50 Ultra climbs over raised thresholds on its own; Dreame quotes up to 6 cm.
Good to know: One threshold in a hands-on review only worked after it was marked passable in the app.
The Saros 20 lifts its body to climb a single threshold of 57 mm in Vacuum Wars' test, and two-step sills up to 8.8 cm per Roborock.
Good to know: The 8.8 cm figure only applies to two steps (4.5 + 4.3 cm). Around €1,499 in Europe.
Can a robot vacuum keep its wet mop off the carpet?
The Dreame X50 Ultra lifts its mop pads 10 mm on carpet and can leave them at the dock.
Good to know: Listed spec, not measured.
The Saros 20 lifts its two mop pads 20 mm on carpet and can drop them at the dock before vacuuming.
Good to know: Listed spec, not measured.
Can a robot vacuum pick up pet hair without tangling?
The Dreame X50 Ultra scored 97.5 on Vacuum Wars' flattened pet hair pickup test, with zero wraps in their 7-inch hair tangle test.
Good to know: Lab test on one unit.
The Saros 20 scored 88 on the pet hair pickup test with zero tangles.
Good to know: Lab test on one unit.
How we know (6 sources)
Announcement coverage of the Dreame X50 Ultra, quoting an obstacle-crossing height of 6 cm.
Read the sourceTwo-month hands-on review of the Dreame X50 Ultra. It climbed raised laundry and bathroom thresholds on its own; one ensuite threshold only worked after the reviewer marked it passable in the app.
Read the sourceTest and spec page for the Dreame X50 Ultra, read Oct 22, 2026. Lab results: carpet deep clean 83, flattened pet hair pickup 97.5, zero wraps in the 7-inch hair tangle test. Specs: two spinning mop pads that lift 10 mm on carpet and can be left at the dock; 60 mm threshold climbing.
Read the sourceReview of the Roborock Saros 20 (MSRP €1,499): its AdaptiLift Chassis 3.0 climbs steps up to 8.8 cm, but only as two steps of 4.5 and 4.3 cm, more than double the Saros 10R's 4 cm. Reliable obstacle detection, under 8 cm tall, average battery life.
Read the sourceReview of the Saros 20 Sonic (last updated Aug 28, 2026): it cleared a 57 mm single threshold, above Roborock's 45 mm rating and tied with the standard Saros 20 for the best result Vacuum Wars has recorded. Strong vacuuming; mopping below expectations for the price.
Read the sourceTest and spec page for the Roborock Saros 20, read Oct 22, 2026. Lab results: carpet deep clean 89, flattened pet hair pickup 88, zero wraps in the 7-inch hair tangle test. Specs: two spinning mop pads that lift 20 mm on carpet and can be left at the dock; 88 mm threshold climbing.
Read the source