[Update: Androidpc.es found the prices in USD to be a little lower – $149 and $129 – prices in EUR are still the ones mentioned below.]
Neo X8-H will be available on June 4th and Minix Neo X8 will be available one week later.

Minix just put an end to all rumors and announced that their new Amlogic S802 models will start shipping in early June.
And now we also have the retail prices: 125 € (~ 171 USD) for the top model Neo X8-H and 110 € (~150 USD) for the Neo X8.

You can find below a short side by side comparison between the two Minix X8 models.

	Minix Neo X8	Minix Neo X8-H
Chipset	Amlogic S802	Amlogic S802-H
Processor	Quad core, Cortex A9	Quad core, Cortex A9
GPU	Octo core, Mali 450	Octo core, Mali 450
Memory	2GB DDR3	2GB DDR3
Storage	8GB – eMMC	16GB – eMMC
Wireless	Dual Band (2.4/5.8GHz) + Bluetooth 4.0	Dual Band (2.4/5.8GHz) + Bluetooth 4.0
OS	Android 4.4 KitKat	Android 4.4 KitKat
Remote control	Standard IR Remote	Minix M1 airmouse