Apple revealed the iPhone 6 on Tuesday at an event near its headquarters in Cupertino, California, alongside another model, the larger iPhone 6 Plus.
Topping the list of new features is a 4.7-inch display — larger than any previous iPhone model. The screen has a resolution of 1,334 x 750, for a pixel density of 326 ppi (pixels per inch). That meets the criteria for what Apple calls "Retina" quality, Apple calls the new display "Retina HD".
The iPhone 6 features a brand-new physical design, with curved glass sides. The front glass is "ion strengthened," Apple marketing head Phil Schiller said at the unveiling. The design is 6.9 millimeters thin, which compares to 7.6 mm for the previous generation, the iPhone 5S.
A new chip powers the iPhone 6, the Apple A8 processor. The A8 is the successor of the A7, which introduced 64-bit processing to iOS. The A8 is also 64-bit, but it's faster and more efficient, built with 20-nanometer tech.
Apple says the chip is up to 50 times faster than the one in the original iPhone, with graphics up to 84 times faster.
Like the iPhone 5S, the phone also has a motion coprocessor, the M8. The phone can measure both distance and elevation traveled thanks to a new sensor: a barometer.
Battery life is improved from previous generations, rated at 11 hours of continuous video playback; previous iPhones were rated for only 10.
The iPhone 6 is a networking powerhouse. It'll support over 200 LTE networks worldwide, with speeds up to 150 megabits per second, and it'll support voice over LTE (VoLTE). It'll also be the first iPhone to support 802.11ac Wi-Fi networks for up to 3x speeds, according to Apple. The phone will also have built-in Wi-Fi calling, able to hand off calls from Wi-Fi to cellular network and back while the call is active.
The iPhone's camera gets an upgrade, too. Although it's still an 8-megapixel sensor, focusing is almost twice as fast, Apple says, thanks to "Focus Pixels," which takes advantage of phase-detection autofocus — the first iPhone to do so. The iPhone 6 has digital image stabilization, though it lacks just one feature that's on the iPhone 6 Plus: optical image stabilization.
The camera can capture 1080p (Full HD) footage at 60 frames per second, with continuous autofocus while recording. Slow-motion mode can now go as much as 240 fps for incredibly slow footage.
The front-facing camera is also improved, with a burst mode for rapid-fire selfies. It also has a new 2.1-megapixel sensor that Apple says can capture 81% more light.
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