Hewlett Packard has revealed two new tablet-laptop hybrids, the HP SlateBook x2 powered by Android and the HP Split x2 powered by Windows 8.
Both devices feature high end full-size tablets with included keyboard docks, but the key difference is a choice of operating system.
The HP SlateBook x2 provides the latest version of Android, 4.2.2 Jelly Bean. It's a 10-inch tablet with a 1920 x 1200 IPS display.
It's running on the brand new quad-core Tegra 4 CPU - one of the first devices to sport the chip - and it's backed by 2GB of RAM. In terms of internal storage, the SlateBook x2 contains just 16GB, but this can be expanded via a handy microSD slot.
The keyboard peripheral itself features two USB ports, an HDMI port, an SD slot, and of course an extra battery to effectively double the tablet's battery life. Impressively, this keyboard will be included in the HP SlateBook x2's $479.99 price when it launches in the US this August.
The HP Split x2, meanwhile, features a quite different spec sheet beyond running the full Windows 8 OS. Its own tablet section is an 13.3-inch 1366 x 768 number, so it's considerably less sharp than the SlateBook x2 equivalent.
The processor's quite different too - a powerful Intel core i3 or i5 processor backed by a meaty 4GB of RAM and an SSD, which we presume is a 128GB model. This is supported by an optional 500GB hard drive tucked away in the keyboard portion.
It's a fully fledged Ultrabook, essentially, but with a removable touchscreen tablet thrown into the mix - all for just $799.99. Again, the HP Split x2 is listed as coming this August on the HP website.
There's no news yet on HP SlateBook x2 and HP Split x2 launches outside of the US, but we'll let you know as soon as we hear more.
If you're impatient to get your hands on a cutting edge tablet-Ultrabook hybrid, take a look at our recent hands-on with the Acer Aspire P3.