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  3. BCRDW3BAB Spotless Max vs Roomba Max 705 Combo

Bosch BCRDW3BAB Spotless Max vs iRobot Roomba Max 705 Combo

What BCRDW3BAB Spotless Max does better (1) and where Roomba Max 705 Combo wins (2) — every spec side by side.

Bosch BCRDW3BAB Spotless Max
7.3Score
1 advantage≈ US$650
Higher score
vs
iRobot Roomba Max 705 Combo
iRobot · 2025Roomba Max 705 Combo
7.2Score
2 advantages≈ US$510
6.4Cleaning power4.2
5.0Navigation5.0
7.2Mopping9.6
7.5Base station7.6
Dimensions

Size comparison

BCRDW3BAB Spotless MaxRoomba Max 705 Combo
353 × 99353372 × 105372
BCRDW3BAB Spotless MaxRoomba Max 705 ComboDifference
Height99 mm105 mm−6 mm
Width / diameter353 mm372 mm−19 mm
Length353 mm372 mm−19 mm

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

Why is BCRDW3BAB Spotless Max better than Roomba Max 705 Combo?

  1. Height99 mm vs 105 mm+6%

Why is Roomba Max 705 Combo better than BCRDW3BAB Spotless Max?

  1. Mop typeRotating mop pads vs Roller mop
  2. Dustbin (robot)275 ml vs 300 ml+9%
Specifications

Side by side

Suction & cleaning
Suction power11,000 Pa—
Dustbin (robot)275 ml300 ml
Main brushSingle main brushDual main brushes
Anti-tangle brush—Yes
Side brushes12
Carpet detectionYesYes
Dirt detectionYesYes
Noise level—74 dB
Navigation & obstacles
NavigationLaser (LiDAR)Laser (LiDAR)
Navigation sensorsLiDAR laser (LDS), Wall sensorLiDAR laser (LDS), Cliff sensors
Obstacle avoidanceBasic sensors (infrared / bumper)Basic sensors (infrared / bumper)
Threshold climbing20 mm20 mm
Room mapping & room selectionYesYes
Mopping
Mop typeRotating mop padsRoller mop
Mop lifting on carpetsYes—
Extending mop (edges)YesYes
Water tank (robot)55 ml—
Base station
Base stationAll-in-one dock (empty + wash)All-in-one dock (empty + wash)
Auto-empty dust stationYesYes
Dust bag (dock)3 l—
Mop washing in the dockYesYes
Hot-water mop washingYesYes
Hot-air mop dryingYesYes
Automatic water refillYesYes
Battery & runtime
Battery capacity—5,000 mAh
Charging time—240 min
Recharge & resume—Yes
Size & weight
Width / diameter353 mm372 mm
Length353 mm372 mm
Height99 mm105 mm
Weight—5.7 kg
ShapeRoundRound
ColoursBlackWhite
App & smart home
App controlYesYes
Voice assistants—Amazon Alexa, Google Assistant, Apple Siri
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