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Robot Vacuums · Head to head

iRobot Roomba 115X Combo vs Shark Navigator RV2120AE

Full Robot Vacuums comparison in 2026

Updated October 2026
Data from Amazon and official iRobot and Shark sites.
2026 verdict
iRobot Roomba 115X Combo edges out Shark Navigator RV2120AE in 2026, led by price, rating, and mopping functionality.
iRobot Roomba 115X Combo
Winner
iRobot Roomba 115X Combo
$199.99$469.9957% OFFPrime exclusive deal
Buy on Amazon USA
Its clearest strengths are price, rating, and mopping functionality, and it still looks stronger on its broader overall balance. Shark Navigator RV2120AE can still be the right pick, but only if battery life and integrations outweigh the wider strengths of iRobot Roomba 115X Combo. That makes iRobot Roomba 115X Combo the clearer recommendation in 2026.
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FeatureiRobot Roomba 115X ComboShark Navigator RV2120AEWinner
Price$199.99$279.99iRobot Roomba 115X Combo
Rating4.44.0iRobot Roomba 115X Combo
Battery Life100 minutes120 minutesShark Navigator RV2120AE
IntegrationsGoogle Home, AlexaGoogle Home, Alexa, Home AssistantShark Navigator RV2120AE
Mopping FunctionalityYESNOiRobot Roomba 115X Combo
Warranty1 year1 yearTie
Auto RechargeYESYESTie
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie
Cliff DetectionYESYESTie
Multi-Room MappingYESYESTie
Winner
iRobot

iRobot Roomba 115X Combo

57% OFF
Prime exclusive deal
$199.99
$469.99
Buy on Amazon USA
  • + Price: $199.99
  • + Rating: 4.4
  • + Mopping Functionality: YES
  • - Battery Life: 100 minutes vs 120 minutes
  • - Integrations: Google Home, Alexa vs Google Home, Alexa, Home Assistant

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • iRobot Roomba 115X Combo
  • Shark Navigator RV2120AE

Loading price history...

Frequently Asked Questions

Which is better overall: iRobot Roomba 115X Combo or Shark Navigator RV2120AE?

iRobot Roomba 115X Combo has the stronger overall profile in this comparison, especially for price, rating, and mopping functionality.

What is the biggest difference between iRobot Roomba 115X Combo and Shark Navigator RV2120AE?

Price is one of the clearest differences: iRobot Roomba 115X Combo lists $199.99, while Shark Navigator RV2120AE lists $279.99.

Which one looks better on price?

iRobot Roomba 115X Combo is listed at $199.99, while Shark Navigator RV2120AE is listed at $279.99. iRobot Roomba 115X Combo (better spec).

Who should buy iRobot Roomba 115X Combo?

Choose iRobot Roomba 115X Combo if your priority is price and rating and that matters more than battery life.

Who should buy Shark Navigator RV2120AE?

Choose Shark Navigator RV2120AE if your priority is battery life and integrations and that matters more than price.

Full comparison table

Compare all 163 Robot Vacuums side by side

You are looking at two of them. The full table lines up all Robot Vacuums in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

  • 163 Robot Vacuums
  • 46 specs compared
  • 41 filters
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