We have seen how Apple iPhone 4S compares to iPhone 4, here is another speed-test showing how iOS4 compares to the new iOS5 in mobile web-browsing tests.

While "Siri" - the Apple iPhone 4S voice-recognition virtual assistant, would be one of the most promising new feature of this new mobile device the iPhone 4S also greatly boosts the hardware specs when compared to the older iPhone 4 models.

While application launching is a basic task that doesn't show off the real potential of this new hardware's high-performance graphics and other capabilities, it is without a doubt "the most used" task when using a smart-phone. Here is an extensive video comparison between Apple iPhone 4S Vs iPhone 4 giving a good picture of the everyday performance improvements one should expect between the two devices.

Full-video after the jump.

While Google Android is eating away the Apple iOS dinner as it's already surpassed the gross usage numbers and new Android mobile-os powered devices are popping-out almost a few weeks, as not-expected Apple has let down it's fans by just releasing a not-so-major successor to company's flagship mobile phone "iPhone 4" - named "Apple iPhone 4S". As everybody was eagerly awaiting a brand new, feature rich "Apple iPhone 5" the rumors are now put to a rest as Apple's new phone (Apple iPhone 4S) is now officially unveiled and there is no iPhone 5 for the time-being.

Complete specifications of new Apple iPhone 4S with features, images, rates, availability, and videos posted after the jump.

Under some surprising new developments in Apple iPhone 5 rumors, according to latest news company's suppliers in Asian countries has already started manufacturing a lower-priced version of hot-selling iPhone 4 - the new variant is said to have a smaller 8 gigabyte flash drive letting Apple compete with cheaper Google Android phones.

The official announcement of cheaper 8 GB model of the popular iPhone 4 is expected to be made public with release of highly anticipated iPhone 5 this September. The new low-price iPhone (which is also called as iPhone 4S) is rumored to have a bigger touch screen, better antenna and an 8-megapixel camera.