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  3. Roomba Max 705 Combo vs Roomba Max 875 Combo

iRobot Roomba Max 705 Combo vs iRobot Roomba Max 875 Combo

What Roomba Max 705 Combo does better (0) and where Roomba Max 875 Combo wins (2) — every spec side by side.

iRobot Roomba Max 705 Combo
iRobot · 2025Roomba Max 705 Combo
7.4Score
0 advantages≈ US$500
vs
iRobot Roomba Max 875 Combo
iRobot · 2026Roomba Max 875 Combo
9.1Score
2 advantages≈ US$1,100
Higher score
4.1Cleaning power9.6
4.9Navigation6.9
9.5Mopping9.5
8.5Base station8.2
Dimensions

Size comparison

Roomba Max 705 ComboRoomba Max 875 Combo
372 × 105372360 × 100360
Roomba Max 705 ComboRoomba Max 875 ComboDifference
Height105 mm100 mm+5 mm
Width / diameter372 mm360 mm+12 mm
Length372 mm360 mm+12 mm

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

Why is Roomba Max 705 Combo better than Roomba Max 875 Combo?

Roomba Max 705 Combo has no measurable advantages in this pair.

Why is Roomba Max 875 Combo better than Roomba Max 705 Combo?

  1. Threshold climbing20 mm vs 35 mm+75%
  2. Height105 mm vs 100 mm+5%
Specifications

Side by side

Suction & cleaning
Suction power—35,000 Pa
Dustbin (robot)300 ml—
Main brushDual main brushesSingle main brush
Anti-tangle brushYesYes
Side brushes21
Extending side brush—Yes
Carpet detectionYesYes
Dirt detectionYesYes
Noise level74 dB—
Navigation & obstacles
NavigationLaser (LiDAR)Laser (LiDAR)
Navigation sensorsLiDAR laser (LDS), Cliff sensorsLiDAR laser (LDS), Cliff sensors
Obstacle avoidanceBasic sensors (infrared / bumper)Basic sensors (infrared / bumper)
Threshold climbing20 mm35 mm
No-go zones / virtual walls—Yes
Room mapping & room selectionYesYes
Mopping
Mop typeRoller mopRoller mop
Mop lifting on carpets—Yes
Mop lift height—14.5 mm
Extending mop (edges)YesYes
Base station
Base stationAll-in-one dock (empty + wash)All-in-one dock (empty + wash)
Auto-empty dust stationYesYes
Mop washing in the dockYesYes
Hot-water mop washingYesYes
Hot-air mop dryingYesYes
Automatic water refillYesYes
Clean water tank (dock)—4 l
Dirty water tank (dock)—3.5 l
Battery & runtime
Battery capacity5,000 mAh—
Charging time240 min—
Recharge & resumeYes—
Size & weight
Width / diameter372 mm360 mm
Length372 mm360 mm
Height105 mm100 mm
Weight5.7 kg—
ShapeRoundRound
ColoursWhiteBlack
App & smart home
App controlYesYes
Voice assistantsAmazon Alexa, Google Assistant, Apple SiriAmazon Alexa, Google Assistant, Apple Siri
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