weight comparison, and I 'd picked up an iPad Mini first. Nothing makes a regular iPad feel hefty like holding an iPad Mini. You ca n't unfeel a Mini; it's just so delightfully wee. The iPad Air has a 64-bit A7 processor, the same chip recently introduced in the iPhone 5S. The A7 should benefit graphics heavy programs such as iMovie and iPhoto, and Phil Schiller claimed it would double the performance of the previous chip. It is difficult to judge speed increases during a few minutes in a crowded room without proper tests and an equally empty previous generation device to use for comparison. Fresh Apple products always feel zippier than previous generations. Part of that is the steadily improving processors inside, but its also the benefit of working on a new device that has n't been gradually slowed down by pages of apps, hundreds of cat videos and the latest operating system upgrade. iPad Mini with Retina Display The iPad Mini got its first upgrade since it was first launched one year ago. Physically, the device is a dead ringer for the original. Fire it up, and you 'll see that it addresses one of the biggest complaints about the first version by upgrading the screen to a 2048-by-1536 display that packs in 326 pixels per inch, a big jump from the previous 163 pixels per inch. A number of Apple products already have the Retina Display: the iPhone 4S and up, the fourth