Who is the Dreame - X40 Ultra for?
Solid mid-pack robôs aspiradore. The 70.7 score lands in B-tier (68-77) — competent across the board with one or two specs holding it back from a higher tier.
Right buy if pricing matters and the trade-offs the formula penalizes don't affect how you use the device. Worth comparing against the A-tier picks in our best robôs aspiradores list.
Mars Score is computed from 14 measured specs against the transparent formula for the robôs aspiradores category. No editorial picks, no paid placement.
Pros and cons at a glance
- ▲Mopping — supported.
- ▲Lidar — supported.
- ▲AI obstacle avoidance — supported.
- ▲Self-empty base — supported.
No spec lands in the bottom quartile of the category normalization window — this product holds up across the weighted axes.
Pros are specs scoring ≥75% of the category normalization range. Cons are ≤35%. Derived from the Mars Score formula — no hand-curated lists.
At a glance
- Suction
- 12000Pa
- Battery life
- 210min
- Dustbin
- 350ml
- Mopping
- true
All specifications
Cleaning
- Suction
- 12000 Pa
- Mopping
- true
- Water tank
- 270 ml
- Dustbin
- 350 ml
- Carpet detection
- true
Navigation
- Lidar
- true
- Camera navigation
- true
- AI obstacle avoidance
- true
- Max climb
- 60 mm
Autonomy
- Battery life
- 210 min
- Self-empty base
- true
- Self-wash mop
- true
- Self-dry mop
- true
- Noise
- 65 dB
Hands-on coverage
Editorial pieces from the vsMars team that cover the Dreame - X40 Ultra.
Best Robot Vacuums in 2026 — Lidar Nav, Self-Empty Bases, Mopping
Roborock and Dreame still lead, with Eufy and iRobot closing on the mid-tier. What to buy by floor type and household.
Roborock S9 MaxV Ultra vs Dreame X40 Ultra — Pet Hair Pickup Lab
Standardized golden retriever hair distribution on three flooring types. Pickup percentage measured by pre/post weigh-in.
Latest from the lab
All lab reports →Popular comparisons featuring the Dreame - X40 Ultra
Top 8 closest matchups in the Robôs aspiradores category. Sorted by Mars Score proximity — these are the fights most worth your time.
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