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  3. Roomba Plus 405 Combo vs Roomba Plus 615 Combo

iRobot Roomba Plus 405 Combo vs iRobot Roomba Plus 615 Combo

What Roomba Plus 405 Combo does better (1) and where Roomba Plus 615 Combo wins (0) — every spec side by side.

iRobot Roomba Plus 405 Combo
iRobot · 2025Roomba Plus 405 Combo
7.5Score
1 advantage≈ US$320
Higher score
vs
iRobot Roomba Plus 615 Combo
iRobot · 2026Roomba Plus 615 Combo
7.2Score
0 advantages≈ US$480
5.8Navigation7.2
6.9Base station5.9

Why is Roomba Plus 405 Combo better than Roomba Plus 615 Combo?

  1. Base stationAll-in-one dock (empty + wash) vs Auto-empty dock

Why is Roomba Plus 615 Combo better than Roomba Plus 405 Combo?

Roomba Plus 615 Combo has no measurable advantages in this pair.

Specifications

Side by side

Suction & cleaning
Suction power7,000 Pa—
Main brushSingle main brush—
Anti-tangle brush—Yes
Side brushes1—
Carpet detectionYes—
Navigation & obstacles
NavigationLaser (LiDAR)Laser (LiDAR)
Navigation sensorsLiDAR laser (LDS), Cliff sensorsLiDAR laser (LDS)
Obstacle avoidanceBasic sensors (infrared / bumper)—
Threshold climbing20 mm—
No-go zones / virtual wallsYes—
Room mapping & room selectionYesYes
Mopping
Mop typeRotating mop pads—
Mop lifting on carpetsYes—
Base station
Base stationAll-in-one dock (empty + wash)Auto-empty dock
Auto-empty dust stationYesYes
Dust bag (dock)1.7 l—
Mop washing in the dockYes—
Hot-air mop dryingYes—
Automatic water refillYes—
Clean water tank (dock)3 l—
Dirty water tank (dock)2.3 l—
Battery & runtime
Runtime180 min—
Charging time240 min—
Recharge & resumeYes—
Size & weight
Width / diameter357 mm—
Length357 mm—
Height106 mm—
Weight4.1 kg4.8 kg
ShapeRound—
ColoursBlackBlack
App & smart home
App controlYes—
Voice assistantsAmazon Alexa, Google Assistant, Apple Siri—
Remote controlYes—
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