Slashgear's Nguyen ran some tests to show the new graphics power. "We shot a selection of videos using the new iPad and the iPad 2, and processed them in iMovie [an iOS app] to see how the old and new graphics chips compared," he says. "With a one-minute clip, a 720p HD clip recorded on the iPad 2 took 1 minute 2 seconds to export, while a 720p HD clip recorded on the new iPad took 52 seconds to export. A one minute 1080p clip recorded on the new iPad took 52.6 seconds to export."

"For a five minute 720p HD clip, the iPad 2 took 5 minutes 11 seconds, whereas the new iPad took 3 minutes 39 seconds. A 5 minute 1080p HD clip on the new iPad took 4 minutes 20 seconds to export, still comfortably under the iPad 2 despite the higher resolution."

Battery life: still excellent

Announcing the new iPad, Apple promised users would see the same long battery life as with the previous models. The reviewers agree it delivers.

It's a critical achievement for Apple. Repeatedly, enterprise users have said that being able to use their iPads for up to 10 hours without having to worry about plugging into outlets was a major feature of the tablet, and one that distinguished it from laptops.