DXF is the CAD exchange format (AutoCAD), Shapefile is the desktop GIS standard (ArcGIS, QGIS). Both support geodata but come from different worlds.
| Criteria | DXF | Shapefile |
|---|---|---|
| CAD software | ✓ | ✗ |
| GIS software | ✗ | ✓ |
| Attributes | ✗ | ✓ |
| Geometric precision | ✓ | ✓ |
| Projections (CRS) | ✗ | ✓ |
For AutoCAD, master plans, engineering drawings, land surveying.
For ArcGIS, QGIS, data analysis, government GIS systems.