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  3. Spotless 2 Advanced+ dark vs Saros 20 Sonic

Bosch Spotless 2 Advanced+ dark vs Roborock Saros 20 Sonic

What Spotless 2 Advanced+ dark does better (3) and where Saros 20 Sonic wins (6) — every spec side by side.

Bosch Spotless 2 Advanced+ dark
9.3Score
3 advantages≈ US$810
Higher score
vs
Roborock Saros 20 Sonic
Roborock · 2026Saros 20 Sonic
9.3Score
6 advantages≈ US$920
9.4Cleaning power8.9
8.0Navigation9.3
9.3Mopping7.4
7.2Base station7.6
Dimensions

Size comparison

Spotless 2 Advanced+ darkSaros 20 Sonic
353 × 95353353 × 80353
Spotless 2 Advanced+ darkSaros 20 SonicDifference
Height95 mm80 mm+15 mm
Width / diameter353 mm353 mm=
Length353 mm353 mm=

Drawn to the same scale from the official dimensions (front and side).

Why is Spotless 2 Advanced+ dark better than Saros 20 Sonic?

  1. Mop typeRoller mop vs Vibrating / sonic mop
  2. Water tank (robot)110 ml vs 70 ml+57%
  3. Dustbin (robot)300 ml vs 228 ml+32%

Why is Saros 20 Sonic better than Spotless 2 Advanced+ dark?

  1. Threshold climbing20 mm vs 88 mm4.4×
  2. Mop lift height15 mm vs 35 mm2.3×
  3. Suction power30,000 Pa vs 36,000 Pa+20%
  4. Height95 mm vs 80 mm+19%
  5. Battery capacity5,700 mAh vs 6,400 mAh+12%
  6. Dust bag (dock)2.5 l vs 2.7 l+8%
Specifications

Side by side

Suction & cleaning
Suction power30,000 Pa36,000 Pa
Dustbin (robot)300 ml228 ml
Main brushSingle main brushSingle main brush
Anti-tangle brushYesYes
Side brushes11
Extending side brush—Yes
Carpet detectionYesYes
Noise level—64 dB
Navigation & obstacles
NavigationLaser (LiDAR)Laser (LiDAR)
Navigation sensorsLiDAR laser (LDS), Wall sensor, Cliff sensorsLiDAR laser (LDS), Retractable LiDAR, Wall sensor, Cliff sensors
Retractable LiDAR—Yes
Obstacle avoidanceAI cameraAI camera
Threshold climbing20 mm88 mm
No-go zones / virtual walls—Yes
Room mapping & room selectionYesYes
Mopping
Mop typeRoller mopVibrating / sonic mop
Mop lifting on carpetsYesYes
Mop lift height15 mm35 mm
Automatic mop removal—Yes
Extending mop (edges)YesYes
Water tank (robot)110 ml70 ml
Base station
Base stationAll-in-one dock (empty + wash)All-in-one dock (empty + wash)
Auto-empty dust stationYesYes
Dust bag (dock)2.5 l2.7 l
Mop washing in the dockYesYes
Hot-water mop washingYesYes
Hot-air mop dryingYesYes
Automatic water refillYesYes
Clean water tank (dock)4 l4 l
Dirty water tank (dock)2.2 l3.5 l
Battery & runtime
Battery capacity5,700 mAh6,400 mAh
Runtime—190 min
Charging time—150 min
Recharge & resume—Yes
Size & weight
Width / diameter353 mm353 mm
Length353 mm353 mm
Height95 mm80 mm
ShapeRoundRound
ColoursBeige, BlackBlack
App & smart home
App controlYesYes
Voice assistants—Amazon Alexa, Google Assistant, Apple Siri
Matter—Yes
Live camera view / video call—Yes
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