| Methods |
| Delay in nS |
| |||
| 4 Bit | 8 Bit | 16 Bit | 32 Bit | 64 Bit | ||
| Array Multiplier | 15.269 | 31.111 | 62.437 | 123.387 | 240.542 | |
| Shift and Add Multiplier | 15.677 | 33.840 | 63.089 | 124.112 | 243.619 | |
| Braun Multiplier | 13.088 | 23.331 | 62.437 | 127.776 | 242.325 | |
| Wallace Tree Multiplier | 12.756 | 22.863 | 44.258 | 87.776 | 152.584 | |
| Proposed Karatsuba-Nikhilam Multiplier | 14.561 | 16.916 | 22.147 | 32.156 | 64.198 | |