iRobot Roomba 405 Combo vs Roborock QRevo S5V
Looking for an honest iRobot Roomba 405 Combo vs Roborock QRevo S5V comparison in 2026? We scored both robot vacuums on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the Roborock QRevo S5V comes out ahead 38/100 to 71/100 — a 33-point gap. The widest gap is in performance, where the Roborock QRevo S5V pulls noticeably ahead. On price the iRobot Roomba 405 Combo undercuts the Roborock QRevo S5V by 37% ($300 vs $409.97), which materially changes the value calculus for budget-conscious buyers.
iRobot
Roomba 405 Combo
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AI Matrix
Powered by Claude AIRoborock QRevo S5V clearly outperforms the iRobot Roomba 405 Combo in the robot vacuums category, especially in performance, scoring 71 vs 38. If you want the better overall robot vacuums, Roborock QRevo S5V is the recommended choice.
5 Reasons Why Roborock QRevo S5V Is Better
- 1.Larger battery: 5,200mAh vs 3,000mAh (+73%)
- 2.Longer battery life: 3h vs 2h
- 3.Better performance score: 100 vs 9
- 4.Higher design rating: 100 vs 56
- 5.Higher overall score: 71 vs 38
What are you giving up?
Picking Roborock QRevo S5V over iRobot Roomba 405 Combo means trading these off.
You give up
- −$110 cheaper ($300 vs $409.97)
- −200g lighter (3000g vs 3200g)
You gain
- +Larger battery: 5,200mAh vs 3,000mAh
- +Longer battery life: 3h vs 2h
