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The Apple iPhone 4 has a design that really sets it apart from the competition. Its slim design is even thinner than the iPhone 3GS. The iPhone 4 measures 9.3mm deep while the iPhone 3GS measures 12.3 mm deep, making it about 24% less in size. The iPhone 4 measures 59mm to 62mm side to side, making it narrower than the 3GS as well. Although the weight is the same at 136g, the changes in the iPhone 4’s dimensions make it less bulky than the 3GS. Changes in design are of course just the tip of the cell phone iceberg. Where the Apple iPhone 4 really shines is in the technological department. After all, beauty is only skin deep. Maintaining the 3.5-inch display of the iPhone 3GS, the iPhone 4 doubles the resolution of its display to 960 by 640 pixels. The IPS display is comprised of 326 pixels per inch, making it the highest resolution phone available.
The display provides an incredible level of sharpness, clarity, and image detail. Dubbed the “Retina display,” it obtained the name because of its ability to process an even higher number of pixels than the human retina. The iPhone 4 screen has in-plane switching, or IPS, capabilities that are found in all iMac and iPad displays. Because of this, you get a vibrant, colorful display that looks terrific regardless of how it’s held due to large viewing angle.
Apple’s A4 CPU, the same one found in the iPad, powers the iPhone 4. Its operating system is the iOS 4, which provides a large number of capabilities to the iPhone 4. Multitasking may be the most welcome capability. It seems too long in the making, but Apple has taken the time to ensure that the multitasking is done smoothly, just like the copy and paste feature that took some time in being released.
Size advancements and the addition of multitasking are not the only achievements of the iPhone 4. Advancements in camera and video recording devices are also a welcome improvement. The camera found on the back has changed from 3 megapixels to a more robust 5 megapixels with the same size pixel. An LED flash and a backlit sensor augment the camera. It also comes with and integrated 5X zoom. Video can now be shot in high definition at 720p and 30 frames per second. Additionally, the tap-to-focus feature found on the camera is now available on the video recorder.
To summarize, the Apple iPhone 4, is a must-have for any smartphone lovers. Unlike the previous upgrade (from the iPhone 3G to the 3GS), which saw only slight performance improvements, the iPhone 4 sees significant improvements all round, making it comprehensively better than anything that we have seen before.