Same price ≈ US$570
- Runtime 180 min vs 120 min
- Noise level 60 dB vs 65 dB
- Charging time 300 min vs 60 min
- Height 96 mm vs 89 mm
10 vacuum-only robots at a similar price that compete with the Roomba s9+ — what each does better, what it gives up and how the price compares.