What is the difference between the 3150-MCM and the MVI46-MCM?

What is the difference between the 3150-MCM and the MVI46-MCM?

1. The MVI46-MCM is the latest Modbus module for the Allen-Bradley SLC platform
2. The MVI46-MCM provides a DebugPort which allows the user to view module configuration and status
3. The MVI46-MCM provides a built-in Data Analyzer for troubleshooting communication problems
4. The MVI46-MCM is field upgradable
5. The MVI46-MCM is based on a 16-bit processor instead of the 3150-MCM's 8-bit processor