Dreame - X50 Ultra vs Roborock - S9 MaxV Ultra vs Roborock - Saros Z70
Across Dreame - X50 Ultra, Roborock - S9 MaxV Ultra, and Roborock - Saros Z70, the Roborock - S9 MaxV Ultra takes the highest Mars Score (85.1), followed by Roborock - Saros Z70 (85.1) and Dreame - X50 Ultra (84.0). See the full readout below.
Pick the Roborock - S9 MaxV Ultra if you want the highest-scoring choice on raw spec strength. The lead is narrow (0.0 points), so the runner-up is a fair alternative if its specific strengths fit your use.
Pick the Roborock - Saros Z70 when you want the same overall quality at a likely lower street price — the score gap is small enough to be invisible day-to-day.
Pick the Dreame - X50 Ultra if its specific spec advantages line up; the score gap to the runner-up is small enough that this is a legitimate value play.
Spec comparison
Cleaning
| Spec | X50 Ultra | S9 MaxV Ultra | Saros Z70 |
|---|---|---|---|
| Suction | 20000 Pa | 22000 Pa | 22000 Pa |
| Mopping | true | true | true |
| Water tank | 280 ml | 300 ml | 270 ml |
| Dustbin | 350 ml | 350 ml | 300 ml |
| Carpet detection | true | true | true |
Navigation
| Spec | X50 Ultra | S9 MaxV Ultra | Saros Z70 |
|---|---|---|---|
| Lidar | true | true | true |
| Camera navigation | true | true | true |
| AI obstacle avoidance | true | true | true |
| Max climb | 60 mm | 40 mm | 40 mm |
Autonomy
| Spec | X50 Ultra | S9 MaxV Ultra | Saros Z70 |
|---|---|---|---|
| Battery life | 210 min | 180 min | 180 min |
| Self-empty base | true | true | true |
| Self-wash mop | true | true | true |
| Self-dry mop | true | true | true |
| Noise | 63 dB | 65 dB | 65 dB |
Pairwise deep dives
Frequently asked
Which scores highest overall: Dreame - X50 Ultra, Roborock - S9 MaxV Ultra, or Roborock - Saros Z70?+
Roborock - S9 MaxV Ultra scores highest at 85.1, followed by Roborock - Saros Z70 (85.1) and Dreame - X50 Ultra (84.0).
Which is the newest of Dreame - X50 Ultra, Roborock - S9 MaxV Ultra, and Roborock - Saros Z70?+
Roborock - Saros Z70 is the most recent, released 2025-03-20.
Which has stronger suction, Roborock - S9 MaxV Ultra or Roborock - Saros Z70?+
Roborock - Saros Z70 delivers 22000 Pa vs 22000 Pa.
Do Roborock - S9 MaxV Ultra or Roborock - Saros Z70 mop?+
Both can mop.
Which has a self-emptying base, Roborock - S9 MaxV Ultra or Roborock - Saros Z70?+
Both ship with a self-emptying base.
One spec at a time
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