| Male Gamete (Sperm) | Female Gamete (Ovum) |
| Male gamete (Sperms) are produced inside the testes. | Female gamete (ova) are developed inside the ovaries. |
| The maturation of sperms requires about 64 days. | The maturation of ova requires several years. |
| Millions of sperms are produced per day. | Only one ovum matures every 28 days. |
| Sperms are motile in nature. | Ovum is non-motile in nature. |
| Reserve food material is less | Reserve food material is sufficient. |
| A sperm is differentiated into four parts, i.e. head, neck, middle piece and tail. | Ovum is not differentiated into different parts. |
