| Spermatogenesis | Spermiogenes |
| 1. Spermatogenesis is the total process of the formation of spermatozoa or sperm from the diploid sperm mother cells. | 1. Spermiogenes is the process of transformation of spermatids into spermatozoa. |
| 2. It involves multiplication phase, growth phase, maturation phase and differentiation phase | 2. It is a part of spermatogenesis where only transformation takes place |
| 3. One spermatogonium produces four spermatozoa | 3. One spermatid develops into one spermatozoa |