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  3. Winbot W2 Pro Omni vs RCW 4

Ecovacs Winbot W2 Pro Omni vs Kärcher RCW 4

What Winbot W2 Pro Omni does better (1) and where RCW 4 wins (0) — every spec side by side.

Ecovacs Winbot W2 Pro Omni
Ecovacs · 2025Winbot W2 Pro Omni
7.7Score
1 advantage≈ US$360
vs
Kärcher RCW 4
Kärcher · 2026RCW 4
8.0Score
0 advantages≈ US$230
Higher score
7.4Cleaning power6.5
3.3Battery6.6

Why is Winbot W2 Pro Omni better than RCW 4?

  1. Suction power5,500 Pa vs 5,000 Pa+10%

Why is RCW 4 better than Winbot W2 Pro Omni?

RCW 4 has no measurable advantages in this pair.

Specifications

Side by side

Kärcher RCW 4Kärcher RCW 4≈ US$2308.0
Suction & cleaning
Suction power5,500 Pa5,000 Pa
Noise level63 dB62 dB
Navigation & obstacles
Navigation sensorsCliff sensors—
Mopping
Water tank (robot)—150 ml
Battery & runtime
Runtime110 min—
Charging time180 min—
Size & weight
Width / diameter271 mm264 mm
Length271 mm256 mm
Weight2 kg1.5 kg
ColoursWhite, GreyWhite, Black, Yellow
App & smart home
App controlYes—
Remote control—Yes
Window cleaning
Water spray—Yes
Backup battery (power cut)YesYes
Safety ropeYesYes
Window area per session55 m²—
To compare: 0up to 4 models
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