
If you are iPhone 4 fans or lovers, you may want to know more about the iPhone 4. The article will show you the iPhone 4 Technical Specifications as below:
Size  and weight
 Height: 4.5 inches (115.2 mm)
 Width: 2.31 inches (58.6 mm)
 Depth: 0.37 inch (9.3 mm)
 Weight: 4.8 ounces (137 grams)
 
Display
 Retina display
 3.5-inch (diagonal) widescreen Multi-Touch  display
 960-by-640-pixel resolution at 326 ppi
 800:1 contrast ratio (typical)
 500 cd/m2 max brightness (typical)
 Fingerprint-resistant oleophobic coating on  front and back
 Support for display of multiple languages  and characters simultaneously
Audio  playback
 Frequency response: 20Hz to 20,000Hz
 Audio formats supported: AAC (8 to 320  Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR,  Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless,  AIFF, and WAV
 User-configurable maximum volume limit
 
TV  and video
 Video formats supported: H.264 video up to  720p, 30 frames per second, Main Profile level 3.1 with AAC-LC audio up to 160  Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video,  up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with  AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and  .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30  frames per second, audio in ulaw, PCM stereo audio in .avi file format
 Support for 1024 by 768 pixels with Dock  Connector to VGA Adapter; 576p and 480p with Apple Component AV Cable; 576i and  480i with Apple Composite AV Cable (cables sold separately)
Camera,  photos, and video
 Video recording, HD (720p) up to 30 frames  per second with audio
 5-megapixel still camera
 VGA-quality photos and video at up to 30  frames per second with the front camera
 Tap to focus video or still images
 LED flash
 Photo and video geotagging
Or, you can know more about the new iPod Touch specs here.
Origonal from:
http://www.apple.com/iphone/specs.html
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