Final answer:
AWS ASG Launch Templates offer more flexibility, advanced functionality, and versioning features compared to Launch Configurations, which are less flexible and lack these enhancements.
Step-by-step explanation:
The difference between AWS ASG Launch Templates and Launch Configurations lies in their flexibility, functionality, and ease of versioning. Launch Templates offer greater flexibility and advanced features compared to Launch Configurations. Launch Templates allow for the specification of multiple instance types, use of Elastic GPUs, and deployment with mixed instance types, which enhance performance and cost-efficiency. They also support versioning, making it easier to manage and rollback changes. On the other hand, Launch Configurations are an earlier feature that AWS provided for ASG and are less flexible. They do not support versioning or the advanced features available in Launch Templates, such as specifying license configurations for instances launched within an ASG. Though Launch Configurations are simpler to use, for most scenarios, especially those requiring more sophisticated setups, Launch Templates are recommended.