iPhone 5 to Also Use A5 Dual Core Processor

Reference to A5 processor in upcoming iPhone 5
It should come as no surprise, but the latest iOS 4.3 SDK has uncovered evidence that the upcoming iPhone 5 will use Apple's new A5 Dual Core processor. The A5 processor was introduced as part of the iPad 2 which will launch this Friday. Apple presently uses a single-core A4 processor for the iPhone 4. Everyone has assumed that Apple will adopt the A5 processor for future iPhone and iPod Touch devices, it's still nice to have some proof.

The proof comes by way of a few tweets from @chronic (one, two) identifying the new A5 processor as being referenced by 'S5L8940'. Then, @naynee75 reveals that the N94 kernel files also contains a reference to the same A5 processor. (via iClarified). The N94 is believed to be the codename for the unreleased iPhone 5.

Historically, Apple has refreshed the iPhone in the summer (June/July) at WWDC.

(Quoted from: MacRumors)
Written by Arnold Kim

My Opinion:

That's the trend for every new smartphones to be equiped with high efficient dual-core CPU, but Apple needs to think about the compatibility of apps between single-core CPUed iphone 4 and coming dual-core CPUed iphone 5!  

If apps developer tends to produce more and more apps for dual-core CPUed iphone 5, then the life of iphone 4 will be...