iPhone 4 parts cost only $20 more than 3GS

Apple Inc.’s (NASDAQ:AAPL) iPhone 4 parts cost only $20 more to manufacture than its earlier version. According to iSuppli estimation, all parts of new iPhone should cost about $187.5.

Meanwhile, the company earlier estimated the cost of material used in iPhone 3Gs at 170.80. However, this study does not include costs of labor, distribution, research, development and marketing. The most expensive piece is the new high resolution LCD screen that cost the Apple about $28.50, followed by the processor A4 at $ 10.75.

Apple launched its new iPhone during June 07 Worldwide Development conference. The company began selling iPhone in US on June 24. Today, Apple announced that it sold 1.7 million new iPhones in first three days of its launch and having hard time to keep up with the huge demand. .