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.