Robot Vacuums · Head to head

iRobot Roomba 205 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
Between Shark PowerDetect ThermaCharged RV2920XE and iRobot Roomba 205, Shark PowerDetect ThermaCharged RV2920XE is the better overall pick in 2026, leading on rating, warranty, and battery life. The comparison tilts its way because of rating, warranty, and battery life, with mopping functionality and auto mop washing keeping it in front. The only strong reason to choose iRobot Roomba 205 is if price, connectivity, and integrations are more important to you than the overall verdict. As a general recommendation, Shark PowerDetect ThermaCharged RV2920XE comes out on top.
vs
FeatureiRobot Roomba 205Shark PowerDetect ThermaCharged RV2920XEWinner
Price$149.00$899.00iRobot Roomba 205
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 205
IntegrationsGoogle Home, Alexa, IFTTTGoogle Home, AlexaiRobot Roomba 205
Mopping FunctionalityNOYESShark PowerDetect ThermaCharged RV2920XE
Auto Mop WashingNOYESShark PowerDetect ThermaCharged RV2920XE
Auto Mop DryingNOYESShark PowerDetect ThermaCharged RV2920XE
Self-Emptying DustbinNOYESShark PowerDetect ThermaCharged RV2920XE
Auto RechargeYESYESTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie

Frequently Asked Questions

Which is better overall: iRobot Roomba 205 or Shark PowerDetect ThermaCharged RV2920XE?

Shark PowerDetect ThermaCharged RV2920XE has the stronger overall profile in this comparison, especially for rating, warranty, and battery life.

What is the biggest difference between iRobot Roomba 205 and Shark PowerDetect ThermaCharged RV2920XE?

Price is one of the clearest differences: iRobot Roomba 205 lists $149.00, while Shark PowerDetect ThermaCharged RV2920XE lists $899.00.

Which one looks better on price?

iRobot Roomba 205 is listed at $149.00, while Shark PowerDetect ThermaCharged RV2920XE is listed at $899.00. iRobot Roomba 205 (better spec).

Who should buy iRobot Roomba 205?

Choose iRobot Roomba 205 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.

More Robot Vacuums

Top Robot Vacuums to compare next

Compare robot vacuums by suction power, navigation, mopping, battery life, self-emptying, connectivity, smart features, and app integrations.

Compare Robot Vacuums
iRobot

More iRobot products

A sharper look at other iRobot products worth comparing.

Explore iRobot
Shark

More Shark products

A sharper look at other Shark products worth comparing.

Explore Shark
Stay in the loop

Smart Home Deals & News straight to your inbox

Join the newsletter and get the best smart home deals and new releases in your inbox.

Your subscription could not be saved. Please try again.
Your subscription has been successful.

Smart Home Deals & News straight to your inbox

Join the newsletter and get the best smart home deals and new releases in your inbox.

Independent · Not sponsoredBrands never pay for placement or rankings. Affiliate commissions never influence our comparisons.
© 2026 Smart Home Compared
Search