16GB iPhone 4 Parts Cost $US187.51

The components that make up the 16GB iPhone 4 cost just under $US188, according to iSuppli. For some perspective: that's more than Droid or the 3GS. Most of that added price seems to be built into that fancy retina display.

That screen - likely produced by LG - cost a disproportionate $US28.50 per unit, according to iSuppli. The A4 processor - from Samsung, and the same as in the iPad - cost $US10.75, and the new gyroscope chip came in at an estimated cost of $US2.60.

It's not clear how much profit Apple's clearing with each unit - iSuppli doesn't take into account the marketing, design, manufacturing costs or how much AT&T contributes - but it's safe to say it's at least in line with previous models. [Businessweek]

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