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Apple iPod touch 2nd generation vs Apple iPod touch 4th generation

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Apple iPod touch 2nd generation Remove phone

Posted: 09 Sep 2008
Market Status: Released
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Apple iPod touch 4th generation Remove phone

Posted: 01 Sep 2010
Market Status: Released

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Design
Device typeTabletTablet 
OSiOS (2.x)iOS (6.1, 6, 5.1, 5, 4.x) 
Dimensions4.30 x 2.40 x 0.33 inches (109 x 61 x 8 mm)4.40 x 2.30 x 0.28 inches (112 x 58 x 7 mm) 
Weight4.05 oz (115 g)
the average is 15 oz (429 g)
3.56 oz (101 g)
the average is 15 oz (429 g)
 
Display
Physical size3.5 inches3.5 inches 
Resolution320 x 480 pixels640 x 960 pixels 
Pixel density

Pixel density - The pixel density of a display represents the number of pixels over an area of one inch. It’s measured in “pixels per inch”, or ppi. The higher the number, the more detailed and good-looking the display is.

165 ppi326 ppi 
Technology

Technology - There are two main screen technologies currently used in phones and tablets: LCD and AMOLED. The former usually features a light source and liquid crystals, while the latter is based on organic light-emitting diodes. Newer LCD variations like IPS-LCD and Super-LCD allow for very accurate color reproduction and very wide viewing angles, where no significant image quality loss is observed. Current AMOLED screens differ in such a way that they can exhibit much more saturated colors (sometimes too much) and incredibly high contrast levels, which is due to black color being completely black in AMOLED displays.

LCDLCD 
TouchscreenMulti-touchMulti-touch 
FeaturesLight sensorLight sensor 
Camera
Camera 0.7 megapixels 
Camcorder 1280x720 (720p HD) (30 fps) 
Features Video calling 
Front-facing camera 0.3 megapixels VGA 
Hardware
System chip

System chip - Most modern handsets use an advanced chip that includes many of the device’s hardware modules like the processor, Wi-Fi, Bluetooth and sometimes even the wireless radio. This field shows what particular system chip (or System-on-a-Chip) is used in the phone.

 Apple A4 
Processor

Processor - The processor is the main computing component of a phone and is a major factor when it comes to the overall speed of the device. Some more powerful smartphones use dual-core and quad-core processors designed to deliver greater performance.

 Single core 
Graphics processor Yes 
System memory

System memory - System memory, or RAM memory is the type of memory that the device uses to temporarily store data from the OS or currently-running apps. The more RAM available to the device, the better the performance will be when multiple or heavier programs are running.

128 MB RAM256 MB RAM 
Built-in storage32 GB64 GB 
Battery
Capacity789 mAh930 mAh 
Not user replaceableYesYes 
specifications continue after the ad
Multimedia
Music player   
Filter byAlbum, Artist, Genre, PlaylistsAlbum, Artist, Genre, Playlists 
FeaturesAlbum art cover, Preset equalizerAlbum art cover, Background playback, Preset equalizer 
Internet browsing
Browser Safari 
Connectivity
Bluetooth 2.1, EDR 
Wi-Fi802.11 b, g802.11 b, g, n 
USBUSB 2.0USB 2.0 
ConnectorProprietaryProprietary 
FeaturesUSB chargingUSB charging 
OtherComputer sync, OTA syncComputer sync, OTA sync 
Other features
SensorsAccelerometerAccelerometer, Gyroscope 
Availability
Officially announced09 Sep 200801 Sep 2010 

To see the full specifications with in-depth details click here.

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