The low-end Galaxy Core Advance will become commercially available in early 2014 featuring Android 4.2 Jelly Bean, a 1.2 GHz dual core processor, 1 GB of memory and a 4.7-inch WVGA screen.
http://www.notebookcheck.net/Samsung-Galaxy-Core-Advance-joins-the-Galaxy-smartphone-series.107803.0.html