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iPhone 5 A6 processor faster than first thought

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Apple’s boasts that the iPhone 5 is twice as powerful as the iPhone 4S could be true in a very literal sense. It’s being reported that the A6 CPU that powers the iPhone 5 has a much higher clock speed than was initially thought.

When the iPhone 5 launched close to a week ago, initial Geekbench benchmarks suggested that the phone’s mysterious new custom A6 CPU was clocked at around 1GHz. Apple, of course, has kept typically schtum on the matter.

Now, however, a new version of Geekbench has been released - and it offers a rather rosier picture of Apple’s latest smartphone.

Primate Labs's John Poole has informed Engadget that the new version of Geekbench "features a dramatically improved processor frequency detection algorithm, which consistently reports the A6's frequency as 1.3GHz."

Considering the iPhone 4S is clocked at 800MHz, the newly established iPhone 5 clock speed is not far off double that speed.

So where did the initial 1GHz claims come from? According to Poole, "earlier versions of Geekbench had trouble determining the A6's frequency, which lead to people claiming the A6's frequency as 1.0GHz as it was the most common value Geekbench reported."

It’s unlikely that there’s some form of intelligent variable clock speed system at play either. "I don't believe the A6 has any form of processor boost,” says Poole. “In our testing, we found the 1.3GHz was constant regardless of whether one core or both cores were busy."

Add in the improved GPU, doubled-up RAM and all-round superior chip technology, and it seems the iPhone 5 is indeed twice as fast as the previous model.

Head on over to the App Store and download Geekbench to see for yourself.

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