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A new member of the Macintosh line of portable computers, the MacBook Pro was introduced by Apple Inc in 2006. The three classic models of the macbook, the 13, 15 and 17 inch laptops have since then undergone several upgrades. The latest reformation of the 15 and 17 inch models of macbook were released in April 2010 with Intel Core i5 and Core i7 processors. The 13 inch model has got some new features.

Whether it is the 13 inch, 15 inch, or 17 inch macbook pro, the recent developments on all the three are worth discussing. The new 13 inch version has a 2.4 GHz dual core processor technology whose speed is incomparable. With its 4GB of DDR3 RAM, different applications can be run at the same time. The NVIDIA GeForce 320M graphics card and 250 GB for storage are the added advantages. The LED backlit display with 1280 by 800 resolution is just perfect. Another notable highlight of the new 13 inch macbook pro is its increased battery life which can survive up to 10 hours continuously.

The noticeable change in the 15 inch macbook pro is its aluminium construction unibody. It has a bright resolution of 1440*900 pixels and there is even an option for anti glare. The Corei7 technology enables automatic graphics switching. This portable device has a slot for SD card and its lithium battery is long lasting. The unique feature of the keyboard is that its keys have an ambient light sensor which glows when used in the dark. The speakers of this model which are on either sides of the keyboard turn out good quality audio. It is possible to watch a movie, listen to music and work on a word processor all at the same time.

The most striking feature of the 17 inch macbook pro is its big screen. Its other highlight is the better integrated graphics. Its 9600M GT Nvidia GeForce Graphics card can be turned on or off to further its performance and to enhance the battery life. This model has the best screen resolution. The glass trackpad in this macbook provides a bigger surface area. Moreover, this model has done away with the separate mouse button.

Where the 13 inch macbook pro is power packed and great value for money, 15 inch model can also be considered for high demanding operations and the 17 inch would definitely be the one for big screen lovers.

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Source: http://ezinearticles.com/?Macbook-Pro—Whats-New?&id=4615609