Approximate multipliers | Number of Slice LUTs | Slices | Delay (ns) | Energy consumption (nJ) |
Existing SSM 8 × 8 [13] | 116 | 46 | 22.624 | 0.452 |
Existing SSM10 × 10 [13] | 170 | 57 | 19.71 | 0.545 |
Proposed HSAM [pro] | 125 | 42 | 16.104 | 0.305 |
Proposed EHSAM [pro] | 93 | 32 | 12.094 | 0.217 |