Main differences between GX Works2 and GX Developer are as follows:
-The functions of GX Configurator and GX Simulator are integrated as GX Works2. No additional software is required.
- Compared to GX Developer, the user interface, operability, and functions are improved in GX Works2.
- Compatible CPU modules are different for GX Works2 and GX Developer.

For more details, refer to the following manual.
- GX Works2 Version 1 Operating Manual (Common) Appendix 4