Table 4 Comparision of hardware performance metrics of proposed and existing designs.
From: Area efficient approximate multiplier based on novel 4:2 compressors and error correction logic
Designs | Area (\(\mu m^2\)) | GE | Power (\(\mu W\)) | Delay (ns) | PDP (fj) |
|---|---|---|---|---|---|
Exact | 464.69 | 304.71 | 28.76 | 1.88 | 54.06 |
PMUL42 | 256.73 | 168.34 | 14.25 | 1.31 | 18.67 |
Reorder4 | 317.08 | 207.92 | 18.02 | 1.43 | 25.77 |
AM8EC-129 | 378.32 | 248.07 | 20.87 | 1.57 | 32.76 |
D230 | 441.79 | 289.69 | 24.11 | 1.48 | 35.68 |
D430 | 476.52 | 312.4 | 24.98 | 1.55 | 38.72 |
MUL434 | 481.22 | 315.55 | 24.72 | 1.63 | 40.29 |
MUL228 | 404.32 | 265.12 | 23.65 | 1.90 | 44.94 |
Proposed AXM1 | 308.22 | 202.11 | 17.27 | 1.27 | 21.93 |
Proposed AXM2 | 322.02 | 211.16 | 18.04 | 1.29 | 23.27 |
Proposed AXM3 | 331.16 | 217.15 | 18.17 | 1.27 | 23.07 |
Proposed AXM4 | 345.27 | 226.40 | 18.94 | 1.29 | 24.43 |