11% cheaper ≈ US$860
- Navigation Laser (LiDAR) vs Camera (vSLAM)
- Obstacle avoidance AI camera + 3D structured light vs AI camera
- Runtime 90 min vs 75 min
- Height 135 mm vs 87 mm
- Charging time 210 min vs 90 min
10 vacuum-only robots at a similar price that compete with the Roomba j7+ — what each does better, what it gives up and how the price compares.