| Aspect | Methylation array | Spatial transcriptomics |
| Field | Epigenetics | Genetic expression |
| Technique | Optimized for FFPE and Frozen tissue | Optimized for FFPE and Frozen tissue |
| Diagnostic or ancillary technique | Yes | Not yet |
| Revealing molecular heterogeneity of tissues in health and disease | Yes | Yes |
| Under development and verification for absolute diagnostic and clinical applications | Yes | Yes |
| Discovery of different and novel genetic or epigenetic alterations | Yes | Yes |
| Classification of tumors | Yes | Under development |
| Elucidate diagnostic and prognostic markers | Yes | Yes |
| Detection of therapeutic checkpoints. | Yes | Yes |
| Detect the resistance of response for certain type of treatment | Yes | Yes |
| Applications in neuropathology | Research and support diagnostic tool | Research tool |