I do not use Premiere Pro CC. I do use multiple versions of Premiere Elements Windows.
If found this online article which may be of interest to you. It attempts to compare Premiere Elements 13 with Premiere Pro CC.
There are probably more such articles.
Premiere Elements 14 is the current version of Premiere Elements (just released). See
The new in the 14 description does not reflect new features but rather addition of 2 new how to for existing features.
The most practical consideration might be to download and install the 14 tryout from Adobe and determine if it will be compatible with your computer environment and project goals.
I can go into details on Premiere Elements features in depth if you zero in on those features that are essential to your typical video editing workflow.