Robot Vacuums · Head to head

iRobot Roomba Plus 505 vs Shark PowerDetect ThermaCharged RV2920XE

Full Robot Vacuums comparison in 2026

Updated July 2026
Data from Amazon and official iRobot and Shark sites.
2026 verdict
iRobot Roomba Plus 505 wins the 2026 matchup against Shark PowerDetect ThermaCharged RV2920XE, mainly on price, connectivity, and integrations. It has the clearer edge on price, connectivity, and integrations, and it stays ahead on its broader overall balance. Choose Shark PowerDetect ThermaCharged RV2920XE only if rating, warranty, and battery life matter more to you than the broader advantage from iRobot Roomba Plus 505. That is why iRobot Roomba Plus 505 wins the verdict here.
vs
FeatureiRobot Roomba Plus 505Shark PowerDetect ThermaCharged RV2920XEWinner
Price$499.00$899.00iRobot Roomba Plus 505
Rating4.24.3Shark PowerDetect ThermaCharged RV2920XE
Warranty1 year2 yearsShark PowerDetect ThermaCharged RV2920XE
Battery Life120 minutes180 minutesShark PowerDetect ThermaCharged RV2920XE
Connectivity2.4 GHz WiFi, 5 GHz WiFi2.4 GHz WiFiiRobot Roomba Plus 505
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Home AssistantiRobot Roomba Plus 505
Auto RechargeYESYESTie
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 Plus 505 or Shark PowerDetect ThermaCharged RV2920XE?

iRobot Roomba Plus 505 has the stronger overall profile in this comparison, especially for price, connectivity, and integrations.

What is the biggest difference between iRobot Roomba Plus 505 and Shark PowerDetect ThermaCharged RV2920XE?

Price is one of the clearest differences: iRobot Roomba Plus 505 lists $499.00, while Shark PowerDetect ThermaCharged RV2920XE lists $899.00.

Which one looks better on price?

iRobot Roomba Plus 505 is listed at $499.00, while Shark PowerDetect ThermaCharged RV2920XE is listed at $899.00. iRobot Roomba Plus 505 (better spec).

Who should buy iRobot Roomba Plus 505?

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

Who should buy Shark PowerDetect ThermaCharged RV2920XE?

Choose Shark PowerDetect ThermaCharged RV2920XE if your priority is rating and warranty and that matters more than price.

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