12% cheaper ≈ US$760
- Mop type Rotating mop pads vs Mop pad
- Suction power 11,000 Pa vs 10,000 Pa
- Height 99 mm vs 115 mm
- Obstacle avoidance Basic sensors (infrared / bumper) vs AI camera
- Dustbin (robot) 275 ml vs 310 ml
10 robot vacuum and mop combos at a similar price that compete with the S20 — what each does better, what it gives up and how the price compares.