We earlier covered the features of new iPhone 3G S without the internal hardware information . As per latest news ,iPhone 3G S will include a 600 MHZ processor with 256 RAM . This configuration is definitely more than Samsung made 128MB ARM 418 MHZ chip in current iPhone models and would aid to speed and working performance .Meanwhile ,few blogs also reported that iPhone 3G S uses the same chip used in recently released Palm Pre .

iPhone 3G hardware features found in T mobile Netherlands website .

Palm pre uses Samsung ARMv8 Cortex and PowerVR SGX graphics processor . Current version of iPhone also uses Samsung processor ,but the processing power is slightly smaller .There is also a chance for modified chip on the basis of ARM architecture combing the technology form PR semi who recently became a part of Apple . But these are all rumors , and the exact internal hardware features will be reveled before June 19 .Anyways we can expect a speed up in overall performance of iPhone 3G S than  iPhone 3G .