IHS spotlights iPhone 4S component changes

IHS spotlights iPhone 4S component changes

Technology News |
By eeNews Europe

Apple has disclosed that the iPhone 4S features its dual-core A5 processor—the same processor found in iPad 2—an upgrade from the single-core A4 found in iPhone 4 and other previous products. According to IHS’ preliminary analysis based on features announced by Apple, iPhone 4S likely has the same 4-Gb SDRAM memory configuration found in iPad 2.

The use of this low density of memory highlights the efficiency of Apple’s iOS operating system compared to those of competitive smartphones, which use twice as much SDRAM, at 8 Gb IHS said. This lowers the cost of this memory subsystem, leading to greater design economy relative to alternative phones, according to IHS.

The iPhone 4S’s five-lens camera module, a first in any smartphone analyzed by the IHS iSuppli Teardown Analysis service, IHS said. The 4S camera module is an autofocus device with an 8-megapixel resolution, compared to 5-megapixel resolution in the iPhone 4. Like the iPhone 4, the 4S employs backside illumination technology, IHS said.

The iPhone 4S also merges the HSPA and CDMA radio capabilities found separately in the two previous iPhone 4 models into a single product that can address global wireless networks, making it a world phone, IHS said. No other handset OEM produces a single device for multiple operators and for multiple geographies on this scale, the firm said.

Because of this, the iPhone 4S can be used on both the AT&T and Verizon wireless networks, in contrast to requiring two different models of the iPhone 4 to work in these areas. The iPhone 4S also can work with the Sprint network, making it compatible with the top three networks in the U.S. said. Changes to the radio design include the use of an updated Qualcomm baseband processor, the MDM6610, IHS said.

In contrast to the iPhone 4 models, the MDM6610 is discrete and is no longer integrated with the radio frequency transceiver, IHS said. The RF transceiver is the Qualcomm RTR8605, a dual-mode device previously observed by the IHS iSuppli Teardown Analysis Service in other handset designs, such as the Hewlett-Packard Veer and HTC Thunderbolt, the firm said

The 4S also likely makes use of three different power amplifier module module suppliers: Avago, Skyworks and TriQuint, according to IHS. Previously, only Avago was found in the CDMA version of the iPhone 4, and both Skyworks and TriQuint were featured in the HSPA/GSM version of the iPhone, IHS said.

IHS said it would soon will reveal the results of its full physical teardown and provide actual data on iPhone 4S components and features. Some firms, including, have already published information and photos from physical teardowns of the iPhone 4S.

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