Dreame X50 Ultra vs Eufy Omni S2
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 Omni S2 scored 87 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 Omni S2 is listed for thresholds up to 42 mm, well below the step-climbing Roborock and Dreame models.
Good to know: Listed spec, not a measured result.
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 Omni S2 lifts its roller mop 28 mm on carpet, the highest of the four robots here.
Good to know: Listed spec. The roller stays on the robot; it can't be left at the dock.
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 Omni S2 scored 88.5 on the pet hair pickup test with zero tangles.
Good to know: Lab test on one unit.
Only checked for one of them
Can a robot vacuum avoid pet poop?
The Omni S2 avoided all 24 objects, including simulated pet waste, in Vacuum Wars' obstacle course.
Good to know: Lab course with stand-ins, not real waste, and no replacement promise like iRobot's.
How we know (5 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 sourceTest and spec page for the Eufy Omni S2, read Oct 22, 2026. Lab results: carpet deep clean 87, flattened pet hair pickup 88.5, zero wraps in the 7-inch hair tangle test. Specs: one roller mop that lifts 28 mm on carpet and stays on the robot; 42 mm threshold climbing.
Read the sourceObstacle-avoidance ranking (last updated Oct 21, 2026) from a standardized 24-object course that includes simulated pet waste, plus a cluttered torture test. The Eufy Omni S2 avoided all 24 objects; the Mova V70 Ultra Complete avoided 23. Notes that top-mounted LiDAR can miss low objects, so front cameras and sensors do the avoiding.
Read the source