DIFFERENCE BETWEEN THE NEW iPHONE5S AND iPHONE 5C

The new iPhone 5C on display in Cupertino, California during the launch. Photograph: Justin Sullivan/Getty

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1 Going for gold

The iPhone 5s is the true next-generation iPhone, in a choice of gold, white and black. It is more expensive at a SIM-free price of £549, £629 and £709 for the 16GB, 32GB and 64GB models, with the leather case costing £35. But it's the 5s that has all the new hardware features.

2 C is for Colourful

The iPhone 5c is essentially last year's iPhone 5 in more colourful clothing. It has a larger battery and better front-camera than the iPhone 5, and its SIM-free price will be £469 for the 16GB model and £549 for the 32GB model when it goes on sale on 20 September.

3 When I'm 64-bit

Apple is shouting about its A7 processor and its "desktop-class" 64-bitcomputing capabilities. The company claims it's twice as fast at CPU and graphics tasks, with an emphasis on bigger, richer games. Expect overuse of the phrase "console-quality" from developers.

4 Whirled in motion

The iPhone 5's innards also include an M7 "motion coprocessor" designed to collect data from its accelerometer, gyroscope and compass. This is big news for health apps tracking your activity throughout the day, although possibly not-so-good news for companies like Fitbit who make external gadgets to measure it.

5 Prints charming

The iPhone 5s has a fingerprint sensor built into its Home button. It scans your fingerprint and stores it, so you can unlock the phone and authorise iTunes/App Store purchases with a touch.

6 Picture this

Apple has improved the camera in the 5s, but not with more megapixels. Instead, it sports a better lens and sensor to let in more light, better colour and less noise. The flash is smarter too.

7 Buy one, get five apps free

Apple has traditionally charged for its flagship Keynote, Pages, Numbers, iPhoto and iMovie iOS apps. Now it's making them all free for people buying any new iOS device – iPad and iPod touch included.

8 Deadly 7

Hardware is good, but it's Apple's new software that holds the most changes. iOS 7 debuts on 18 September with a new look and new features. More battery-efficient multitasking; a much better Photos app; AirDrop to ping photos, videos and contacts to nearby iOS devices; and a smarter Siri that can now access Twitter.

9 Apps for that…

Developers got their hands on an early version of iOS 7 in June, and have been working on their apps accordingly. Expect a flurry of updates around the 18th making use of the software's new features.

10 Radio rocks

One of iOS 7's other big features is iTunes Radio, a music app that serves up radio-like streams of songs based on artists or genres. It'll be free but for now it'll only be available in the US.

• The headline and intro on this article were amended on 15 September
to reflect that this article is not a review

Telegraph UK