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  3. X9 vs Robot Vacuum S40C

Mybot X9 vs Xiaomi Robot Vacuum S40C

What X9 does better (2) and where Robot Vacuum S40C wins (0) — every spec side by side.

Mybot X9
Mybot · 2025X9
2 advantages≈ US$130
vs
Xiaomi Robot Vacuum S40C
Xiaomi · 2025Robot Vacuum S40C
4.5Score
0 advantages≈ US$140
Higher score
3.5Base station3.5

Why is X9 better than Robot Vacuum S40C?

  1. Noise level45 dB vs 63 dB+40%
  2. Dustbin (robot)600 ml vs 520 ml+15%

Why is Robot Vacuum S40C better than X9?

Robot Vacuum S40C has no measurable advantages in this pair.

Specifications

Side by side

Mybot X9Mybot X9≈ US$130
Suction & cleaning
Suction power—5,000 Pa
Dustbin (robot)600 ml520 ml
Main brush—Single main brush
Side brushes—1
Noise level45 dB63 dB
Navigation & obstacles
Navigation—Laser (LiDAR)
Navigation sensors—LiDAR laser (LDS), Cliff sensors
Obstacle avoidance—Basic sensors (infrared / bumper)
Threshold climbing—20 mm
No-go zones / virtual walls—Yes
Room mapping & room selection—Yes
Mopping
Mop type—Mop pad
Water tank (robot)—260 ml
Base station
Base stationCharging dockCharging dock
Battery & runtime
Battery capacity—2,600 mAh
Runtime—100 min
Charging time—360 min
Size & weight
Width / diameter—340 mm
Length—340 mm
Height—97 mm
Weight—3.4 kg
ShapeRoundRound
ColoursBlackWhite
App & smart home
App control—Yes
Voice assistants—Amazon Alexa, Google Assistant
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