| Factors | DC | Induction | SR | PMSM | PM BLDC |
| Power density | 2 | 3 | 3.5 | 4.5 | 5 |
| Efficiency | 2 | 3 | 3.5 | 4.5 | 5 |
| Controllability | 5 | 4 | 3 | 4 | 4 |
| Reliability | 3 | 5 | 5 | 4 | 4 |
| Maturity | 5 | 5 | 4 | 5 | 4 |
| Cost level | 4 | 5 | 4 | 3 | 3 |
| Noise level | 3 | 5 | 2 | 5 | 5 |
| Maintenance | 1 | 5 | 5 | 5 | 5 |
| Total | 25 | 35 | 30 | 35 | 35 |