6 Key Differences Between the Xiaomi H40 and S40 Pro

Suction power The S40 Pro has stronger suction at 4000Pa, while the H40 offers 2500Pa. This makes the S40 Pro better for deep-cleaning carpets.

Mapping technology The H40 uses LIDAR for faster, more accurate room mapping. The S40 Pro relies on a camera-based system, which can struggle in low light.

Navigation in darkness The H40 navigates reliably in complete darkness. The S40 Pro’s camera system needs some light to avoid obstacles.

Battery life The H40 runs up to 150 minutes on a single charge. The S40 Pro lasts about 120 minutes, making the H40 better for larger homes.

Dustbin capacity The H40 has a 300ml dustbin, while the S40 Pro holds 250ml. The H40 requires less frequent emptying.

Price The H40 costs less than the S40 Pro. The price gap reflects real engineering trade-offs, not just a model number difference.