The Ecovacs T90 thinks; the Mova Z60 just maps

Both use LiDAR, which is the baseline nowadays, but the Ecovacs T90 adds AIVI 3D for object recognition and multi-floor mapping. The Mova Z60 is LiDAR-only, which still beats bump-and-pray navigation by a mile. The T90 earns its premium with actual intelligence — the Z60 maps, the T90 thinks.