I recall that first one looks like the one that does not save settings and so it only works with Revo class FC (not CC3D). Also does not have a mag that is good for doing GPS guided flight on Revo etc.
The second one looks OK, and has an external mag that you can use with next release (soldering required for connectors), but it is only a Neo6. I know you can get better and cheaper than that, at least on eBay.