| Metrics | Traditional authentication | Voice authentication |
| Authentication Factor | Single-factor authentication | Single or multi-factor authentication |
| Usability (Ease of use) | Moderate Easy to use but not always user-friendly | High Easy to use and user-friendly |
| Security | Low Vulnerable to password cracking or object theft | High Difficult to fake or replicate voice characteristics, protection from voice spoofing attacks |
| Accuracy | Low Can be prone to errors or forgotten passwords | High Advanced algorithms ensure accuracy. False Acceptance Rate below 1 in 50,000 |
| Spoofing Detection | Low Passwords or objects can be easily spoofed | High Advanced algorithms can detect and protect from voice spoofing attacks |
| Convenience | Low Requires remembering and entering passwords, carrying objects or possession | High Convenient as it only requires a user’s voice |
| Cost | Low Relatively inexpensive to implement | Moderate Requires specialized technology and software |
| User Acceptance | Low Due to inconvenience and complexity | High Due to easy and convenient use |
| Reliability | Moderate Can be affected by human errors | High Consistent and reliable |
| Privacy | Low Can be compromised if the password is shared or the object is lost or stolen | High Voice samples can be kept encrypted |
| Adoption | Moderate Widely adopted and understood, but becoming increasingly outdated in terms of security | High Increasingly adopted, but still not as widely used as traditional methods |