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iRobot Roomba Plus 405 Combo vs Roborock S8+

The Roborock S8+ wins with a score of 8.2/10. Best for: Hard-floor and pet homes that want strong suction and weeks of hands-off emptying without paying omni-dock prices.

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.

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WinnerRoborock S8+ robot vacuum

Roborock S8+

8.2/10$290

A pure vacuuming powerhouse with the auto-empty convenience most people actually want, as long as you do not need a self-washing mop.

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Score Comparison

iRobot Roomba Plus 405 ComboRoborock S8+
Overall
7.4
8.2
Hard Floor
8.4
9.0
Carpet
6.5
8.0
Mopping
7.5
7.5
Navigation
8.0
8.7
Noise
7.5
7.6
Smart Features
7.0
9.0
Maintenance
8.5
7.8

Specifications

iRobot Roomba Plus 405 ComboSpecRoborock S8+
$400Price$290
Suction (Pa)6000
5000Battery (mAh)5200
65.0Noise (dB)67.0
Dustbin (ml)
Water Tank (ml)
Mop Lift (mm)
Height (mm)
Weight (kg)
LiDARNavigationPreciSense LiDAR + Reactive 3D
Self-Empty
Self-Wash Mop
Self-Dry Mop
AI Obstacle

The Verdict

The Roborock S8+ is the better choice with an overall score of 8.2/10 — best for hard-floor and pet homes that want strong suction and weeks of hands-off emptying without paying omni-dock prices. The Roborock S8+ is more affordable at $290 vs $400.

iRobot Roomba Plus 405 Combo vs Roborock S8+: Which Robot Vacuum is Better? | Best Robot Vacuums