Fourth Generation iPod touch - The 4th generation iPod touch inherited many of the features of the iPhone 4, significantly upgrading its visual capabilities and making it more powerful.
The major changes introduced with this model were the addition of Apple’s A4 processor (which also powers the iPhone 4 and the iPad), two cameras (including one user-facing) and support for FaceTime video chats, high-definition video recording, and the inclusion of the high-resolution Retina Display screen. It also includes a three-axis gyroscope for better gaming responsiveness.
As with previous models, the 4th generation touch its 3.5-inch touchscreen, Internet access over WiFi, iPod features, multiple sensors for gaming performance, and App Store support.
3.5-inch multitouch screen
Front-facing: records 720p high-definition video
4.4 x 2.3 x 0.28 inches
40 hours audio
7 hours video
WiFi – The touch accesses the Internet via WiFi, with all three models using 802.11b/g standards.
Dock Connector – This slot on the bottom of the touch is used to sync content between a computer and the device.
Accelerometer – A sensor that allows the touch to respond to how the device is held and moved. This is most often used in games and gives players more immersive and interesting ways to control onscreen action.
Released: September 2010
Discontinued: N/A, still being sold