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