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[Apple iPhone 3GS: The sum ($) of its parts] - CNet

The iPhone, of course, is more than the sum of its parts, but thecost of individual components adds up--to $178.96, to be exact.

A new analysis by iSuppli details the cost of the iPhone 3GS and the motley collection of chips inside.

The entry-level (16GB) version of the iPhone 3GS carries a BOM (billof materials) cost of $172.46 and a manufacturing expense of $6.50, fora total of $178.96, said Andrew Rassweiler, director and principalanalyst, teardown services, for iSuppli, in a statement.

Service providers are paying more for the low-end iPhone 3G S thanthe original iPhone 3G, according to Rassweiler. "Although the retailprice of the 16GB iPhone 3GS is $199, the same as for the 8GB versionof the original iPhone 3G, the actual price of the phone paid by theservice provider is considerably higher, reflecting the common wirelessindustry practice of subsidizing the upfront cost of a mobile phone andthen making a profit on subscriptions," he said.

And what are the major cost drivers? The 16GB flash memory chip isthe priciest at $24--and reflects the rising cost of flash chips due tosupply constraints, according to iSuppli. This part is also availablefrom Samsung. So there could be some second-sourcing (sourcing the partfrom a second chip supplier) in the future.

The next rung in the cost ladder is the 3.5-inch display module and touch-screen assembly, at $19.95 and $16, respectively.

Below this, is the main Samsung applications processor. Priced at$14.46, it is the fourth most costly component in the iPhone 3GS. As reported earlier, the new ARM-based Samsung processor(Apple branded, by the way) plays a key role in the 3G S' improvedperformance. In the 3GS, the processor runs at 600MHz version, in the3G at only 400MHz.

Beyond faster performance, the iPhone 3GS adds video capture, anautofocus 3-megapixel camera--compared with 2 megapixels before--and abuilt-in digital compass.

Aside from these extras (and the new processor), the 3GS hardwarefeature set (that user sees) is not much different from that of the 3G,iSuppli said.

"From a component and design perspective, there's also a great dealof similarity between the 3G and the 3GS. By leveraging thiscommonality to optimize materials costs, and taking advantage of priceerosion in the electronic component marketplace, Apple can provide ahigher-performing product with more memory and features at only aslightly higher materials and manufacturing cost," Rassweiler said.

And how did other chip suppliers do beyond Toshiba and Samsung?Broadcom is supplying a single-chip Bluetooth/FM/WLAN device, costing$5.95. Look closely, and squeezed in between the Bluetooth and WLAN(wireless local area network) is an FM radio feature. The iPhone 3GSdoes not list an FM radio as one its features, but that's part of thefeature set of the Broadcom chip. In this case, it may be simplydisabled.

AKM provides an electronic compass and STMicroelectronics, theaccelerometer, both of which are 3-axis devices. The STMicroelectronicspart allows the 3G S to determine device orientation or inclination,while the AKM sensor detects device movement relative to magneticnorth, supporting the 3GS' capability to reorient a map displayed onthe screen to correspond with the direction the user is facing,according to iSuppli.

Infineon Technologies AG is the supplier of the phone's importantbaseband chip, which accounts for $13 of the 3GS component costs.