The Roborock Saros 20 has quickly become a top contender in the best robot vacuum 2026 conversation, but beyond its impressive suction, its real story lies in how it navigates. In this update, we shift focus from 'what it cleans' to 'how it thinks'—examining the fusion of LiDAR and camera-based vSLAM, and what that means for low-clearance homes and everyday messes.

LiDAR vs vSLAM: Why Saros 20 Uses Both

body

Our verdict

The Saros 20 isn't just another self-emptying robot vacuum; it's a study in navigation synergy. By pairing LiDAR's precision with camera-based vSLAM, Roborock delivers a robot vacuum and mop combo that excels in low-clearance settings without sacrificing cleaning power. For pet owners, the dual rubber brush minimizes tangles, and the 36,000 Pa suction ensures hair is lifted from carpets and hard floors alike. Our robot vacuum mopping performance test shows consistent results across surfaces. If you're weighing LiDAR vs vSLAM robot vacuum options, the Saros 20 proves that the best answer might be 'both.'