They are ultrabooks.
In laptop mode Windows traditional interface is active, when the device converted to tablet Windows new Metro interface will become active.
You can fold it, attach it, plug it, dock it, turn it even slide it.
Microsoft Surface
| Surface | Surface Pro | |
| ARM | Dual-core Intel Core i5 | |
| 676 g | 903 g | |
| 32 or 64 GB | 64 or 128 GB | |
| 10.6 in ClearType HD | ||
| Wi-Fi (802.11 a/b/g/n) | ||
| USB 2.0, micro HDMI | USB 3.0, Mini DisplayPort | |
| MicroSD | MicroSDXC | |
HP Envy x2
30.3 x 20.6 x 1.9 cm
1.41 kg
11.6 HD Diagonal BrightView LED-backlit IPS Display (1366 x 768)
64 GB SSD (Solid State Disk)
Intel Graphics
2 GB RAM
8 MP Rear camera
USB 2.0, HDMI, SD Card Slot
802.11 a/b/g/n/ WLAN WiFi, Bluetooth, NFC
Beats Audio with Dual Speakers
Slide from notebook to tablet and back again
ASUS Taichi
Two screens
Intel Ivy Bridge Core i7
4 GB RAM
SSD or HDD
11.6-inch or13.3-inch display
USB 3.0 Ports
DELL XPS Duo 12
Toshiba Satellite u925t
1.45 kg
12.5-inch
128GB SSD
DDR3 RAM
USB 3.0
HDMI
Bluetooth, NFC
Slide the display
Samsung Series 7 Slate PC
Intel Core i5
.85 kg
11.6-inch
4GB RAM
128GB SSD
Bluetooth 4.0
With S-Pen
Lenovo IdeaPad Yoga 13
Intel Core i7 processor
1.54 kg
13.3" display
SSD
4GB RAM
Fold back
Acer Iconia W510
Asus Transformer Book
Intel Core i7
11.6-inch also available 13-inch and 14-inch
SSD
5 MP camera