Robot Vacuums · Head to head

iRobot Roomba Max 705 Combo 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 Max 705 Combo has the better all-around case than Shark PowerDetect ThermaCharged RV2920XE in 2026, starting with price, connectivity, and integrations. The comparison tilts its way because of price, connectivity, and integrations, with its broader overall balance keeping it in front. Shark PowerDetect ThermaCharged RV2920XE is still relevant if you care most about rating and battery life, but iRobot Roomba Max 705 Combo is the stronger recommendation overall. For the average buyer, iRobot Roomba Max 705 Combo is the safer choice.
vs
FeatureiRobot Roomba Max 705 ComboShark PowerDetect ThermaCharged RV2920XEWinner
Price$799.00$899.00iRobot Roomba Max 705 Combo
Rating3.64.3Shark PowerDetect ThermaCharged RV2920XE
Battery Life75 minutes180 minutesShark PowerDetect ThermaCharged RV2920XE
Connectivity2.4 GHz WiFi, Bluetooth2.4 GHz WiFiiRobot Roomba Max 705 Combo
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, IFTTT, MatterGoogle Home, AlexaiRobot Roomba Max 705 Combo
Warranty1 year1 yearTie
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 Max 705 Combo or Shark PowerDetect ThermaCharged RV2920XE?

iRobot Roomba Max 705 Combo has the stronger overall profile in this comparison, especially for price, connectivity, and integrations.

What is the biggest difference between iRobot Roomba Max 705 Combo and Shark PowerDetect ThermaCharged RV2920XE?

Price is one of the clearest differences: iRobot Roomba Max 705 Combo lists $799.00, while Shark PowerDetect ThermaCharged RV2920XE lists $899.00.

Which one looks better on price?

iRobot Roomba Max 705 Combo is listed at $799.00, while Shark PowerDetect ThermaCharged RV2920XE is listed at $899.00. iRobot Roomba Max 705 Combo (better spec).

Who should buy iRobot Roomba Max 705 Combo?

Choose iRobot Roomba Max 705 Combo 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 battery life and that matters more than price.

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