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iRobot Roomba Plus 505 Combo vs Roborock Saros Z70

The Roborock Saros Z70 wins with a score of 8.5/10. Best for: Tech enthusiasts who want the latest.

iRobot Roomba Plus 505 Combo robot vacuum

iRobot Roomba Plus 505 Combo

8.0/10$500

iRobot’s most well-rounded mid-tier combo to date — fantastic mopping and obstacle avoidance, let down only by noise and average carpet performance.

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WinnerRoborock Saros Z70 robot vacuum

Roborock Saros Z70

8.5/10$2600

Futuristic flagship with robotic arm — impressive tech but very expensive

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Score Comparison

iRobot Roomba Plus 505 ComboRoborock Saros Z70
Overall
8.0
8.5
Hard Floor
8.5
9.0
Carpet
7.0
9.5
Mopping
8.8
8.0
Navigation
8.7
9.5
Noise
6.8
6.5
Smart Features
8.2
9.5
Maintenance
8.5
7.5

Specifications

iRobot Roomba Plus 505 ComboSpecRoborock Saros Z70
$500Price$2600
7000Suction (Pa)22000
Battery (mAh)5200
70.0Noise (dB)70.0
Dustbin (ml)350
Water Tank (ml)200
Mop Lift (mm)22.0
Height (mm)103.0
Weight (kg)4.2
ClearView Pro LiDAR + PrecisionVision AINavigationLiDAR + 3D ToF
Self-Empty
Self-Wash Mop
Self-Dry Mop
AI Obstacle

Pros & Cons

iRobot Roomba Plus 505 Combo

Roborock Saros Z70

Pros
  • + 22,000Pa — highest suction available
  • + Robotic arm picks up objects
  • + Best obstacle avoidance
  • + Premium build quality
Cons
  • Very expensive at $2,299
  • Arm feature still maturing
  • Louder than competitors
  • Smaller water tank

The Verdict

The Roborock Saros Z70 is the better choice with an overall score of 8.5/10 — best for tech enthusiasts who want the latest. The iRobot Roomba Plus 505 Combo is more affordable at $500 vs $2600.

iRobot Roomba Plus 505 Combo vs Roborock Saros Z70: Which Robot Vacuum is Better? | Best Robot Vacuums