© Evertiq Compilation Electronics Production | March 03, 2011

Apple builds on A4 microprocessor success with A5

Building on the success of the its A4 microprocessor, Apple revealed its second-generation iPad line will be based on a new microprocessor, the A5, which the company said doubles the performance of the A4.
Apple announced the A5 will include dual microprocessor cores—as opposed to a single core for the A4. Along with the rise in computing power, Apple said the A5 will offer nine times faster graphics performance than the A4.

Driven by the soaring sales of products including the iPad and the iPhone 4, Apple's shipments of products based on its A4 microprocessor reached nearly 50 million units in 2010 from virtually zero sales in 2009, IHS iSuppli research indicates. In an indication of how successful the microprocessor has been, Apple in 2010 shipped nearly four times as many units of A4-based products as did of X86-based PCs.

Apple so far has introduced five products based on the A4: the first-generation iPad, the AT&T version of the iPhone 4, the Apple TV, the iPod Touch and the CDMA iPhone 4 carried by Verizon Wireless.

The A4 combines an A4 microprocessor core and a Graphics Processing Unit (GPU). The device was custom designed by P.A. Semi—a company acquired by Apple in 2008—and is manufactured by Samsung.

A4 influence

Partly because of the popularity of Apple’s iPad, companies around the world are developing media tablets and other products that feature small and innovative form factors, noted Matthew Wilkins, principal analyst, compute platforms, for iSuppli. These products require highly integrated semiconductor solutions that consume less power and space, similar to the A4 microprocessor.

In tablets and smart phones, companies are offering alternatives to the A4 that offer similar levels of integration. For instance, Intel and Nvidia have announced plans for tablet-oriented microprocessors with similar characteristics to the A4.

Battle moves to dual-core realm

In the case of Nvidia, the company is offering the Tegra 2 solution used in Motorola's XOOM tablet, which upped the ante on the A4 with the inclusion of two microprocessor cores. Now with the A5, however, Apple has matched the dual-core capability of the Tegra 2.
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