As I pointed out earlier everything is doubled with the iPhone 4. The processor, RAM, Display resolution etc you name it! Anyway lets have a look at the hardware specifications at first.
The dimensions of the iPhone4 are as follows. 4.5 inches in height, 2.3 inches width and 0.37 inch in depth and it weights around 4.8 ounces. The phones comes with two color choices Black and White.

The 3.5 Retina display on the iPhone supports a staggering 960x640 pixel resolution and according to Apple (its true) this is the highest resolution ratio used in a mobile phone Ever!. The pictures looks stunning and thanks to the resolution jump you can zoom more (web pages for example, they never seem to fit on mobile phone) without loosing much quality loss. The contrast ratio is 800:1 on the touchscreen.

The processor also named "Apple A4" which is twice as fast as the predecessor, thanks to it from response time to video playback capacity to HD contents (720p) are available. iPhone 4 also includes 2 microphone and the overall audio quality was excellent.
Even though the phone again with the help of the powerful processor can easily support variety of high quality video playbacks, but again Apple only restricts video formats to 720p resolution (H.264, MPEG-4,.m4v, mp4 and mov) so iPhone only supports Apple formats. MPEG - 4 video up to 2.5Mpbs (640 x 480).
Audio support includes AAC (8 - 320 Kbps), AAC (protected format), HE-AAC, MP3 (max 320 Kbps) AAX, AIFF and Apple Lossless oh and also WAV. So again Apple iPhone only support Apple formats , what a waste!
The batter is also powerful than the iPhone 3GS version. Talk time up to 7 hours (3G) and while on 2G 14 hours. Wi-Fi 10 hours internet using and in 3G web browsing 6 hours.
The memory comes in two choices. The default 16GB version and the 32GB version (cost more). So all in all is iPhone 4 better than the iPhone 3GS?
It performs well and its fast, you can actually feel the speed thanks to the powerful processor again, and included iOS4 multitasking is also available (thank god for that). The camera and audio quality is also good. The display is fantastic with such standards in resolutions. The battery also forget what the Apple say in our tests it lasted more than 5 hours (under heavy usage).
So all in all iPhone 4 certainly better than iPhone 3GS and the price is again reasonable so well done Apple. But if you love multimedia and want to play formats other than Apples wants you to, well wait until some apps join the club! (follow the below link to get more information).
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