From the PCWorld article:
Credit: Melissa Riofrio
In this concept for the HP Elite x3, the back panel looks about the same other than sporting HP’s new logo. An HP spokesperson confirmed, “this is an example of how we see future iterations of the x3 platform.” No further information was provided.
This phone is a concept that we couldn’t touch or discuss... Frustratingly, we don’t know how this model will evolve toward the final version. But the fact that there is a concept shows that while many think Windows phones don’t have a future, HP seems to think otherwise.
It's tough to gauge dimensions from the photo, but I'd guess at the same 6" display in a narrower and thinner form factor, with money saved on a single speaker set-up and removal of the rear pogo pins. Part of the reason for the delayed launch might be that the Snapdragon 835 chipset, allied here to 6GB RAM, I'm guessing, still isn't available commercially and that Samsung seem to have tied up the initial batches anyway.
So my take is that this will be launched in Q3, tying in with 'Redstone 3', aimed at business professionals, and with extended Continuum features/abilities. Comments?