| S.no. | Ashokan Pillar | Persian pillar |
| 1. | Monolithic shaft | Made up of number of pieces. |
| 2. | Outer shaft of pillar is smooth | The outer Persian pillar has grooves |
| 3. | Bell is only at the top | Bell is both at the top as well as bottom |
| 4. | Mauryan pillar were erected by digging them in earth without base. | Persian pillar were erected on a bell shaped base. |
| 5. | Used for inscripting the royal orders | Used as a support |
| 6. | Part of independent construction. | Were part of palace |
| 7. | Only human capitals are found | Capitals of human beings are also find. |