Best Robot Vacuums is reader-supported. When you buy through links on our site, we may earn a commission. Details.

We may earn a commission when you buy through links on this page. Learn more.

iRobot Roomba 105 Vac vs iRobot Roomba Plus 405 Combo

The iRobot Roomba Plus 405 Combo wins with a score of 7.4/10. Best for: Hard-floor-heavy homes (mostly tile/hardwood) without pets, where a dependable iRobot brand and AutoWash dock matter more than top-tier carpet cleaning..

iRobot Roomba 105 Vac

0.0/10$300
Winner

iRobot Roomba Plus 405 Combo

7.4/10$400

A solid mid-tier Roomba that finally brings LiDAR navigation and a self-washing dock under $500. But weak deep-carpet performance and zero obstacle avoidance make it hard to recommend over the Roborock Q Revo or Dreame L40 Ultra at the same price.

Read full review

Score Comparison

iRobot Roomba 105 VaciRobot Roomba Plus 405 Combo
Overall
7.4
Hard Floor
8.4
Carpet
6.5
Mopping
7.5
Navigation
8.0
Noise
7.5
Smart Features
7.0
Maintenance
8.5

Specifications

iRobot Roomba 105 VacSpeciRobot Roomba Plus 405 Combo
$300Price$400
Suction (Pa)
Battery (mAh)5000
Noise (dB)65.0
Dustbin (ml)
Water Tank (ml)
Mop Lift (mm)
Height (mm)
Weight (kg)
LiDARNavigationLiDAR
Self-Empty
Self-Wash Mop
Self-Dry Mop
AI Obstacle

The Verdict

The iRobot Roomba Plus 405 Combo is the better choice with an overall score of 7.4/10 — best for hard-floor-heavy homes (mostly tile/hardwood) without pets, where a dependable irobot brand and autowash dock matter more than top-tier carpet cleaning.. The iRobot Roomba 105 Vac is more affordable at $300 vs $400.

iRobot Roomba 105 Vac vs iRobot Roomba Plus 405 Combo: Which Robot Vacuum is Better? | Best Robot Vacuums