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  3. SP10 iScraper vs RCW 4 Extra

Hobot SP10 iScraper vs Kärcher RCW 4 Extra

What SP10 iScraper does better (2) and where RCW 4 Extra wins (1) — every spec side by side.

Hobot SP10 iScraper
Hobot · 2026SP10 iScraper
8.8Score
2 advantages≈ US$390
Higher score
vs
Kärcher RCW 4 Extra
Kärcher · 2026RCW 4 Extra
7.5Score
1 advantage≈ US$240
8.5Cleaning power5.5
7.8Mopping8.8
6.6Battery6.6

Why is SP10 iScraper better than RCW 4 Extra?

  1. Suction power6,000 Pa vs 5,000 Pa+20%
  2. Noise level62 dB vs 77 dB+24%

Why is RCW 4 Extra better than SP10 iScraper?

  1. Water tank (robot)120 ml vs 150 ml+25%
Specifications

Side by side

Hobot SP10 iScraperHobot SP10 iScraper≈ US$3908.8
Suction & cleaning
Suction power6,000 Pa5,000 Pa
Noise level62 dB77 dB
Navigation & obstacles
Navigation sensorsGyroscope—
Mopping
Water tank (robot)120 ml150 ml
Size & weight
Width / diameter245 mm264 mm
Length245 mm256 mm
Weight1.4 kg1.5 kg
ColoursWhite, GreyWhite, Black, Yellow
App & smart home
App controlYes—
Remote controlYesYes
Window cleaning
Water sprayYesYes
Backup battery (power cut)YesYes
Safety ropeYesYes
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