Roborock S8 Pro Ultra vs Roomba j7+ vs Dreame L10s Ultra vs cheaper models: Obstacle avoidance is the key difference

The Roborock S8 Pro Ultra, Roomba j7+, and Dreame L10s Ultra can see and avoid cords, shoes, and pet toys. Cheaper ones like the Roomba 675 and Eufy 11S just barrel through — meaning you have to clear the floor first.