While there is much more to both Microsoft's new Surface tablet computer and Apple's iPad than pure specifications, the physical and technological differences between the two devices are likely to play a part in which device tablet PC buyers might ultimately favor.
 
 Here's a look at how the market-leading iPad shapes up against the new Microsoft Surface. Figures are taken from each company. Microsoft cautions the physical dimensions of the Surface could change slightly from those announced Monday.
 
 Microsoft Surface, Windows RT edition
 
 Weight: 676 grams
 Thickness: 9.3 millimeters
 Display: 10.6-inch ClearType HD Display
 Battery: 31.5-watt hour
 Interfaces: microSD, USB 2.0, Micro HD Video, 2x2 MIMO antenna
 Storage: Configurable for 32GB, 64GB
 
 Microsoft Surface, Windows 8 Pro edition
 
 Weight: 903 grams
 Thickness: 13.5 millimeters
 Display: 10.6-inch ClearType Full HD Display
 Battery: 42-watt hour
 Interfaces: microSDXC, USB 3.0, Mini DisplayPort Video, 2x2 MIMO antennae
 Storage: Configurable for 64GB, 128GB
 
 Apple new iPad Wi-Fi
 
 Weight: 652 grams
 Thickness: 9.4 millimeters
 Display: 9.7-inch Retina display with 2048-by-1536-pixel resolution 
 Battery: 42.5-watt hour for up to 10 hours Web, video, music
 Interfaces: 30-pin dock Apple connector port, headphone
 Storage: Configurable for 16GB, 32GB, 64GB
 
 Apple new iPad Cellular
 
 Weight: 662 grams
 Thickness: 9.4 millimeters
 Display: 9.7-inch Retina display with 2048-by-1536-pixel resolution 
 Battery: 42.5-watt hour for up to 10 hours Web, video, music
 Interfaces: 30-pin dock Apple connector port, headphone
 Storage: Configurable for 16GB, 32GB, 64GB
