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What’s in the iPhone 6S Plus

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What’s in the iPhone 6S Plus

Upgraded components in the new iPhone 6S Plus cost $16 more than the components in the earlier iPhone 6 Plus. The bill of materials (BOM) for an iPhone 6S Plus equipped with 16Gb of NAND flash memory costs $231.50, according to a preliminary estimate from IHS.

After basic manufacturing costs are added, Apple’s total cost to manufacture the iPhone 6S Plus rises to $236. The unsubsidised price for a 16Gb iPhone 6S (with a 4,7-inch diagonal screen) is $649, while the unsubsidised price for the 16Gb iPhone 6S Plus (with 5,5-inch diagonal display) is $749.

“3D Touch and Apple’s Taptic engine are among the more notable feature upgrades found in this latest round of iPhones,” says Andrew Rassweiler, senior director of cost benchmarking services for IHS Technology. “With each generation the company makes measured, incremental technology improvements to its iPhone line, and this time around those changes are increasing Apple’s per-unit material cost.”

Possibly due in part to Apple’s new iPhone financing program, the new iPhone 6S and 6S Plus are designed to be stronger and more resilient, which means it can last longer and better maintain its resale value. Several upgrades combine to effect this improvement, including a harder 7000-series aluminium case, an upgrade to the latest and strongest Gorilla Glass 4 cover glass, as well as additional gaskets and seals that improve water resistance.

Apple has upgraded the core processor, from their A8 series to the more powerful A9 series Apple touts as having a 70% faster CPU performance. The processor also integrates M9 motion co-processor functionality. The previous generation iPhone 6 and 6 Plus featured an A8 processor, as well as an M8 motion co-processor that was a separate integrated circuit supplied by NXP Semiconductor. In this new generation, the M9 exists within the A9 processor, and the standalone integrated circuit is no longer needed to perform this function.

Apple’s proprietary Taptic Engine, a system also found in the Apple Watch, is a haptic user interface technology that uses vibratory solenoid to reproduce physical a vibration or tapping sensation when the device is touched. “The 3D touch system is novel, and when combined with Apple’s Taptic Engine, these features add about $10 to the total bill of materials cost,” Rassweiler says. “Haptic systems are fairly low-tech and forms of haptic feedback like this have been implemented for years in other devices using traditional vibration motors, but the iPhone’s implementation of this feature is unique.”

The iPhone wireless modem has evolved from a CAT 4 (Qualcomm MDM9625) to a CAT 6 (Qualcomm MDM9635) modem that provides better data throughput. Furthermore, like preceding iPhone designs, the iPhone 6S and 6S Plus feature support for a number of total long-term evolution (LTE) bands in a single device, allowing Apple roll out its products globally, without other physical variations to the wireless section of its devices. “Apple distinguishes itself by supporting all wireless bands in a single hardware version of the iPhone, which really helps Apple avoid having to manage so many different variations of the iPhone 6S line,” Rassweiler says.

For the first time in an iPhone, Apple is using WiFi/WLAN with 2×2 MIMO, which has been implemented previously in other smartphones, including the Samsung Galaxy S5.  Multiple input and multiple output (MIMO) antenna design helps improve WiFi reception and performance speed.

Apple has upgraded its main camera from 8 megapixels (MPs) in its earlier iPhone 6MPs to 12MPs in the new iPhone 6S and iPhone 6S Plus. The front-facing camera has also been upgraded from 1,2MP to 5MP. “These are major upgrades for the iPhone, which has often lagged behind other leading edge flagship phones, where camera resolution is concerned,” Rassweiler says. “Apple’s focus has always been on image quality and camera speed over megapixels, but the iPhone is now on par with its rivals, in this regard.”

The battery in the iPhone 6S Plus is slightly smaller than the battery in the earlier iPhone 6 Plus; however, Apple has added new power-saving software features, as well as improved power-management components and silicon process shrinks (e.g., a processor built using the 14nm or 16nm or process nodes typically uses less energy and current than a processor built in 20nm node).

As NAND flash memory continues to make up an ever-smaller percentage of overall BOM costs, its monetisation continues to increase Apple’s profits. A 16 GB flash memory now costs Apple less than $6 per unit.

“NAND Flash is now so cheap it’s almost irrelevant, but Apple monetizes this difference with consumers, to the tune of $100 for each additional step up in memory capacity,” Rassweiler says. “For example, a 64 GB iPhone now costs Apple about $17 more to make than a 16 GB iPhone, but Apple charges iPhone buyers $100 more for the increased memory. This is part of Apple’s ongoing strategy to improve profits by selling a product mix that is heavier in the higher-end iPhones.”