iPhone Metamorphosis

The most recent iterations of the iPhone bring with them some significant changes to the Apple ecosystem. Every year we release a report into the state of Android fragmentation, a report that heavily emphasises the difference between Android and iOS in terms of the overall homogeneity of the market. We are always interested in how devices in the same series change over time, and what trends are visible – for instance, with the Samsung Galaxy series, we’ve seen the progressive addition of sensors as a significant trend. For the iPhone series, no such clear-cut developmental trend emerges. However, it’s still interesting to compare the various iPhone versions to see how they stack-up for some of the less conventional stats they can be compared for:

Weight (grams)

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Interestingly, despite the well-publicised skinniness of the iPhone6+, it is actually heavier than previous models. Apple have bowed to the trend of increasing screen size and this is represented by a corresponding increase in device-weight.

Total Pixels

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While total pixels do not correspond necessarily to higher pixel density (as that obviously depends on screen area), the large jump in total pixels represents the first rise in pixel density on an iPhone since the arrival of the iPhone 4. From the iPhone 4 to the iPhone 6 dpi remained constant at 326 but jumped up to 401 with the iPhone 6+.

CPU Speed

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This is the one area where iPhones have seen a clear and steady progression, although improvements in CPU speed have slowed somewhat since the release of the 5. During earlier iterations of the iPhone, however, it can be seen that processor improvement was an important area of focus.


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With Apple building a major marketing campaign around the ability of the user to manipulate their device to suit the curvature of their thigh, bendability is obviously an important point of comparison between various iPhone generations. As can be seen, Apple have gone for a bold 0-60 approach; going from no bendability to full bendability between the iPhone 6 and the iPhone 6+. Expect the iPhone 7 to be built entirely from silly putty.

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