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  3. Probot RX11 Pro vs Probot RX4 Pro

Welltec Probot RX11 Pro vs Welltec Probot RX4 Pro

What Probot RX11 Pro does better (1) and where Probot RX4 Pro wins (0) — every spec side by side.

Welltec Probot RX11 Pro
Welltec · 2025Probot RX11 Pro
5.9Score
1 advantage≈ US$280
Higher score
vs
Welltec Probot RX4 Pro
Welltec · 2025Probot RX4 Pro
4.9Score
0 advantages≈ US$440
5.0Cleaning power5.0
7.0Mopping6.4
4.0Battery2.5

Why is Probot RX11 Pro better than Probot RX4 Pro?

  1. Window area per session50 m² vs 28 m²+79%

Why is Probot RX4 Pro better than Probot RX11 Pro?

Probot RX4 Pro has no measurable advantages in this pair.

Specifications

Side by side

Suction & cleaning
Suction power4,000 Pa4,000 Pa
Navigation & obstacles
Navigation sensorsGyroscopeGyroscope
Mopping
Water tank (robot)100 ml—
Size & weight
Width / diameter150 mm245 mm
Length296 mm245 mm
Weight1 kg1.2 kg
ColoursWhiteWhite
App & smart home
App controlYesYes
Remote controlYesYes
Window cleaning
Water sprayYesYes
Backup battery (power cut)YesYes
Safety ropeYesYes
Window area per session50 m²28 m²
To compare: 0up to 4 models
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