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iPhone 4S teardown: 512MB, tweaked battery, A5

Editors' note: This article was originally published October 13. It has been updated throughout.

A teardown by iFixit and analysis by iSuppli, Chipworks and others reveal the iPhone 4S as a mini version of the iPad 2 in many respects.

Camera: A Sony CMOS sensor, according to Chipworks. Overall, camera is 8 megapixels, 60 percent more pixels than the camera on iPhone 4. A larger aperture (f/2.4) and new sensor. Better in low-light conditions. Video at 1080P, 30 fps.

Memory: The Apple A5 chip has 512MB of Samsung DDR2 RAM, according to iFixit's teardown. The capacity matches … Read more

iPad 2 killer feature: The 2X factor

The iPad 2 is "winning" with two double-your-fun hardware features. Buh-bye iPad 1.

After using the iPad 2 for a few weeks, I can now say the upgrade was worth it. Even waiting in line with the huddled Los Angeles masses, yearning for the iPad 2, was worth it.

Allow me to insert a brief parenthetical by saying I wouldn't be completely honest if I didn't mention there's always a psychological need to justify the purchase of a pricey gadget. Not unlike seeking absolution for a sin. That said, I'm pretty sure this review … Read more