Hi
There is not much difference actually in terms of the tracking quality. You can expect a slight overall improvement, especially in feet tracking. Also, Azure Kinect is more tolerant to lighting conditions (e.g. sunlight).
Please find detailed comparison of specs and pros/cons here
https://docs.ipisoft.com/Depth_Sensors_ComparisonYou can also find sample recordings for Kinect 2 and Azure Kinect here
https://docs.ipisoft.com/Sample_Video_and_Project_(single_depth_sensor)https://docs.ipisoft.com/Single_Azure_Kinect_Samples