Electronics Production | March 06, 2012
Image Sources: © Apple; © iFixit
Comparison between iPad1 & iPad2
With the iPad3 looming on the horizon – making Apple aficionados around the globe excited – we are looking back at its 2 predecessors.
|Announce date||January 27, 2010||March 2, 2011|
|Discontinued||March 11, 2011|
|Color display||9.7 inches (25 cm) LED backlit in-plane switching LCD, made by Innolux, a subsidiary of Foxconn||9.7 inches (25 cm) LED backlit in-plane switching LCD|
|Processor||1 GHz Apple A4 system-on-a-chip||1 GHz dual-core Apple A5 system-on-a-chip|
|Graphics||1024×768 pixel (XGA resolution), 20cm×15cm, 132ppi||1024×768 pixel (XGA resolution), 20cm×15cm, 132ppi|
|Storage||16, 32 or 64 GB flash memory||16, 32 or 64 GB flash memory|
|Wireless||Integrated 802.11n and Bluetooth 2.1 + EDR||Integrated 802.11n and Bluetooth 2.1 + EDR|
|Battery||Built-in lithium-polymer 25 W·h (10 h usage, 1 month standby)||Built-in lithium-polymer 25 W·h (10 h usage, 1 month standby)|
|Weight||1.5 pounds (680g), 1.6 pounds (730g) (3G Model)||1.33 pounds (603g)|
|Dimensions||9.56 inches (24.3cm) x 7.47 inches (19.0cm) x 0.5 inches (1.3cm)||9.50 inches (24.1cm) x 7.31 inches (18.5cm) x 0.34 inches (.086 cm)|
|Glass/Digitizer||147 grams||120.7 grams|
|LCD||151.9 grams||141.8 grams|
|Battery||147.8 grams||130.6 grams|
|Headphone Jack||0.6 grams||1.2 grams|
|Speaker Assembly||16.6 grams||8.2 grams|
|Volume Control and Sleep/Wake Board||1.3 grams|
|Volume Controls and Sleep/Wake Buttons||1.4 grams|
|Case||138.2 grams||(with smart cover magnets): 163.9 grams|
|Logic Board||28.2 grams||20.6 grams|
|Front-Facing Camera||0.8 grams|
|Dock Connector Cable||8.1 grams||1.9 grams|
|Display Cables||3.3 grams|
|Wi-Fi Board||0.6 grams|
|Ambient Light Sensor||0.4 grams|
|Lower Antenna||1.7 grams|
|Control Buttons||1.3 grams|
|Display Frame||42.2 grams|
|Main processor||Apple A4||Apple A5|
|DRAM||Samsung K4X2 256MB||Samsung 512MB RAM|
|Flash memory||Samsung K9LCG08U1M 8 GB NAND||Toshiba TH58NVG7D2FLA89 16GB NAND|
|802.11n WiFi + Bluetooth 2.1||Broadcom BCM4329XKUBG||BCM43291HKUBC|
|I/O controller||Broadcom BCM5973||Broadcom BCM5973|
|Capacitive touchscreen controller||Broadcom BCM5974||Broadcom BCM5974|
|Touchscreen line driver||Texas Instruments CD3240A1||Texas Instruments CD3240B0|
|Power management||Apple 343S0542 (Dialog Semi chip)|
|Power management||S6T2MLC N33C50V|
|Audio codec||Apple 338S0940 A0BZ1101 (manufactured by Cirrus)|
|More information||iPad: http://www.ifixit.com||iPad 2: http://www.ifixit.com|
Image Sources: © Apple; © iFixit
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