Robot Vacuums · Head to head

iRobot Roomba 705X vs iRobot Roomba Plus 505

Full Robot Vacuums comparison in 2026

Updated July 2026
Data from Amazon and official iRobot site.
2026 verdict
iRobot Roomba 705X beats iRobot Roomba Plus 505 in 2026, with its clearest edge on rating and battery life. It wins the broader comparison through rating and battery life, while its broader overall balance helps confirm the result. There is still a case for iRobot Roomba Plus 505, but mainly if price is what you value most. That is why iRobot Roomba 705X wins the verdict here.
vs
FeatureiRobot Roomba 705XiRobot Roomba Plus 505Winner
Price$1399.99$499.00iRobot Roomba Plus 505
Rating4.34.2iRobot Roomba 705X
Battery Life180 minutes120 minutesiRobot Roomba 705X
Warranty1 year1 yearTie
Auto RechargeYESYESTie
Connectivity2.4 GHz WiFi, 5 GHz WiFi2.4 GHz WiFi, 5 GHz WiFiTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie
Cliff DetectionYESYESTie
Multi-Room MappingYESYESTie
No-Go ZonesYESYESTie

Frequently Asked Questions

Which is better overall: iRobot Roomba 705X or iRobot Roomba Plus 505?

iRobot Roomba 705X has the stronger overall profile in this comparison, especially for rating and battery life.

What is the biggest difference between iRobot Roomba 705X and iRobot Roomba Plus 505?

Price is one of the clearest differences: iRobot Roomba 705X lists $1399.99, while iRobot Roomba Plus 505 lists $499.00.

Which one looks better on price?

iRobot Roomba 705X is listed at $1399.99, while iRobot Roomba Plus 505 is listed at $499.00. iRobot Roomba Plus 505 (better spec).

Who should buy iRobot Roomba 705X?

Choose iRobot Roomba 705X if your priority is rating and battery life and that matters more than price.

Who should buy iRobot Roomba Plus 505?

Choose iRobot Roomba Plus 505 if your priority is price and that matters more than rating.

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