A lot of detail has now been released about Windows on Arm (a.k.a. WOA) by the massive post from Steven Sinofsky (see http://blogs.msdn.com/b/b8/archive/2012/02/09/building-windows-for-the-arm-processor-architecture.aspx). Therefore I thought I would do a little comparison of the features of Windows 8, OSX and the iPad.

  iPad OSX Windows 8 on Arm Traditional WinTel
AppStore Yes Yes Yes Yes
Keyboard   Support Yes Yes Yes Yes
Touch   Support Yes Yes Yes Yes
Instant   Wake Yes No (2 secs) Yes No (2 secs)
Extended   Battery Yes No Yes No
WiFi Yes Yes Yes Yes
3G   Support Yes No Yes Yes
Email Yes Yes Yes Yes
Calender Yes Yes Yes Yes
Photos Yes Yes Yes Yes
File Sync Yes Yes Yes Yes
In Built PDF Support Yes Yes Possibly Possibly
Office   Productivity Purchase Purchase Yes Purchase
AV   Software NA NA NA Required
Cross   Architecture Apps No No Yes Yes
Stand   Alone Apps No Yes No Yes
Mouse   Support No Yes Yes Yes
RFID No No Yes Yes
USB Port No Yes Yes Yes
USB Mass   Storage No Yes Yes Yes
Browse   Add-In No Yes No Yes
Multiple   Users No Yes Yes Yes
HDMI   Support No Yes Supported Supported
Secure   Boot NA No Required Optional
Memory   Stick Limited No Yes Yes
Enterprise   Management Limited Limited ? Yes
Printer   Support Limited Yes Limited Yes
Multitasking Limited Yes Limited Yes