The MXQ 4K is using the new RK3229 Processor, 1GB Ram and 8GB of internal storage. The box runs Android 4.4.
This is a very decent budget tv box and everything seems to be very well optimized on it.
The downside to it is the fact that it lacks Bluetooth.
Check out my video review of it.
Get this from here:
Amazon US: http://amzn.to/1UqVSXK
Amazon UK: http://amzn.to/22Iqf0E