Apple unveiled the new iPad with a retina display and a revamped Apple TV  to offers many movies and series in 1080p resolution view. Ars Technica compared  Apple 720p and 1080p videos to see the improved compression method used. This videos are only half as large, while 2.25 times as many pixels.


According to Ars Technica’s the difference between 720p and 1080p in the iTunes Store, especially at some points to see. Small details in larger shots into greater focus would be something.   The difference in file size would be due to the compression method. The new Apple TV’s H.264 compression supports 1080p video, with a “High” or “Main Profile” of 4.0. The iPhone 4S and the new iPad can even support 4.1. The A4 in the iPhone 4, the second generation Apple TV and A5 in the iPad 2 would only support “Main Profile 3.1 ‘, making movies with only 720p resolution can be processed. The 1080 television series and movie trailers to view on a computer by installing iTunes 10.6 to install.

You can change settings from the screen to indicate that you want 1080p instead of 720p. The new Apple TV and the new iPad will be released on March 16 on the market.   If you’re reading this without an iPhone and are looking to buy one, check out Smartphone comparison of the cheapest iPhone 4 and 4S offers by following the link. 

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