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  3. V5 vs Robot Vacuum S40C

Viomi V5 vs Xiaomi Robot Vacuum S40C

What V5 does better (0) and where Robot Vacuum S40C wins (1) — every spec side by side.

Viomi V5
Viomi · 2025V5
0 advantages≈ US$130
vs
Xiaomi Robot Vacuum S40C
Xiaomi · 2025Robot Vacuum S40C
4.5Score
1 advantage≈ US$140
Higher score
2.6Navigation5.8

Why is V5 better than Robot Vacuum S40C?

V5 has no measurable advantages in this pair.

Why is Robot Vacuum S40C better than V5?

  1. Dustbin (robot)300 ml vs 520 ml+73%
Specifications

Side by side

Viomi V5Viomi V5≈ US$130
Suction & cleaning
Suction power—5,000 Pa
Dustbin (robot)300 ml520 ml
Main brush—Single main brush
Side brushes—1
Noise level—63 dB
Navigation & obstacles
Navigation—Laser (LiDAR)
Navigation sensorsCliff sensorsLiDAR laser (LDS), Cliff sensors
Obstacle avoidanceBasic sensors (infrared / bumper)Basic sensors (infrared / bumper)
Threshold climbing—20 mm
No-go zones / virtual wallsYesYes
Room mapping & room selection—Yes
Mopping
Mop type—Mop pad
Water tank (robot)—260 ml
Base station
Base station—Charging 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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