The iPad 2 went on sale yesterday in the US and as usual, iFixit was able to grab one and take it apart to see what the inside of it looks like. There are a number of notable differences in the internal design such as the way the glass is held on and how the insides are organized.
Due to the tapered edges, the iPad 2 screen is held on with plenty of glue. The previous model was held on by tabs. Removing the screen is made quite difficult on the new model due to the amounts of glue used.
A few interesting bits of information reveal that the iPad 1 screen is thicker than the iPad 2, as is the glass:
* iPad 1: lcd = 3.2 mm glass = .85 mm
* iPad 2: lcd = 2.4 mm glass = .62 mm
The battery is almost the same capacity (slightly larger), so the 10 hour battery life is due to more efficient components rather than an increased capacity.
The teardown revealed that 512MB of RAM was included which is a step up from the original 256MB. Apple didn’t announce this at the launch and a number of people were concerned it was kept at 256MB. No need to worry now!
The A5 dual-core processor runs at 1GHz and is believed, at the moment, to be a Samsung chip. This is in the process of being tested and will be confirmed at a later date.
Other components that power the iPad 2 include:
* Toshiba TH58NVG7D2FLA89 16GB NAND Flash
* Broadcom BCM5973KFBGH Microcontroller
* Broadcom BCM5974 CKFBGH capacitative touchscreen controller
* Texas Instruments CD3240B0 11AZ4JT touchscreen line driver
* Broadcom BCM43291HKUBC Wi-Fi/Bluetooth/FM tuner combo chip
* S6T2MLC N33C50V Power Management IC
* ST Micro AGD8 2103 gyroscope
* ST Micro LIS331DLH accelerometer
Check out the full teardown over at iFixit.
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