8% pricier ≈ US$140
- Runtime 180 min vs 120 min
- Charging time 180 min vs 300 min
- Cleaning area per charge 300 m² vs 200 m²
- Dust bag (dock) 2 l vs 3.5 l
- Noise level 65 dB vs 60 dB
10 robot vacuum and mop combos at a similar price that compete with the T20 Pro — what each does better, what it gives up and how the price compares.