1. Data Encryption: Teampass utilizes a proprietary encryption method that may not be as robust as Vault's use of industry-standard encryption algorithms. This can affect data security and reliability in the long run.

2. User Access Control: Vault offers more granular control over user access permissions, allowing administrators to define access levels based on individual user needs. Teampass may have more limited options in comparison, making it harder to manage user privileges effectively.

3. Authentication Methods: While Teampass may support basic authentication methods, Vault typically offers more advanced authentication options such as multi-factor authentication, LDAP integration, and identity federation, providing an extra layer of security for sensitive data.

4. Integration Capabilities: Vault is known for its extensive integration capabilities with a variety of third-party tools and platforms, making it a more versatile solution for organizations with diverse IT environments. Teampass may not offer the same level of integration possibilities, limiting its adaptability in complex ecosystems.

5. Audit Trails: Vault often provides more comprehensive audit trail features that track every action taken on sensitive data, helping organizations maintain compliance with regulatory requirements. Teampass may provide limited audit capabilities, potentially hindering the ability to monitor and track data access effectively.

6. Scalability: Vault is designed to scale effortlessly, accommodating the growing storage and access needs of large enterprises. Teampass may have limitations in scalability, possibly causing performance issues as the volume of data and users increases.

In Summary, these key differences between Teampass and Vault highlight the varying levels of security, functionality, and scalability offered by each solution.