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Apple iPad 3 vs Apple iPad 4

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Apple iPad 3 Remove phone

Posted: 07 Mar 2012
Market Status: Released
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Apple iPad 4 Remove phone

Posted: 23 Oct 2012
Market Status: Released US carrier availability: Available - Verizon, AT&T, Sprint, U.S. Cellular

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Design
Device typeTabletTablet 
OSiOS (7.x, 6.1, 6, 5.1)iOS (7.x, 6.1, 6) 
Dimensions9.50 x 7.31 x 0.37 inches (241.2 x 185.7 x 9.4 mm)9.50 x 7.31 x 0.37 inches (241.2 x 185.7 x 9.4 mm) 
Weight23.00 oz (652 g)
the average is 15 oz (429 g)
23.35 oz (662 g)
the average is 15 oz (429 g)
 
Display
Physical size9.7 inches9.7 inches 
Resolution2048 x 1536 pixels2048 x 1536 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.

264 ppi264 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.

IPS LCDIPS LCD 
Colors16 777 21616 777 216 
TouchscreenMulti-touchMulti-touch 
FeaturesLight sensor, Oleophobic coatingLight sensor, Oleophobic coating 
Camera
Camera5 megapixels5 megapixels 
Aperture size

Aperture size - The aperture of a camera is the opening through which light travels before it reaches the camera sensor. The smaller the number is, the bigger this opening is, allowing for more light to pass.

F2.4F2.4 
Focal length (35mm equivalent)35.00 mm  
FeaturesBack-illuminated sensor (BSI), Autofocus, Touch to focus, Face detection, Geo taggingBack-illuminated sensor (BSI), Autofocus, Touch to focus, Face detection, Geo tagging 
Camcorder1920x1080 (1080p HD) (30 fps)1920x1080 (1080p HD) (30 fps) 
FeaturesDigital image stabilizationDigital image stabilization 
Front-facing camera0.3 megapixels VGA1.2 megapixels 
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 A5XApple A6X 
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.

Dual core, 1000 MHz, ARM Cortex-A9Dual core, 1400 MHz 
Graphics processorQuad core PowerVR SGX543MP4PowerVR SGX 554 
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.

1024 MB RAM1024 MB RAM 
Built-in storage64 GB128 GB 
Battery
Capacity11560 mAh  
Not user replaceableYesYes 
specifications continue after the ad
Multimedia
Music player   
Filter byAlbum, Artist, Genre, PlaylistsAlbum, Artist, Genre, Playlists 
FeaturesAlbum art cover, Background playback, Dolby DigitalAlbum art cover, Background playback, Dolby Digital 
SpeakersEarpiece, LoudspeakerLoudspeaker 
YouTube playerYesYes 
Internet browsing
Browser Safari 
Built-in online services supportFacebook, YouTube (upload), Flickr, TwitterFacebook, YouTube (upload), Flickr, Twitter 
Technology
GSM 850, 900, 1800, 1900 MHz 
UMTS 850, 900, 1900, 2100 MHz 
FDD LTE 700 (band 17), 1700/2100 (band 4) MHz 
Data LTE Cat 3 (100/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSDPA+ (4G) 21.1 Mbit/s, UMTS, EDGE, GPRS 
Micro SIM Yes 
Positioning

Positioning - This field shows the positioning systems supported by the device. There are three main types: GPS, A-GPS and GLONASS. GPS - This is one of the most widespread global positioning technologies, developed and maintained by the U.S. government. It uses satellites in order to detect your location. Works best in clear weather. A-GPS - A-GPS stands for Assisted GPS and is the industry standard for positioning and navigation. “Assisted” means that it can use local wireless networks, in addition to satellites, for quicker and more precise localization. GLONASS - GLONASS is a global positioning system, developed by the Russian Federation. It’s very similar to GPS, but isn’t so popular in cell phones.

GPS, Wi-Fi positioningA-GPS, Glonass, Wi-Fi positioning 
NavigationYesYes 
Connectivity
Bluetooth4.04.0 
Wi-Fi802.11 a, b, g, n, n 5GHz802.11 a, b, g, n, n 5GHz 
Mobile hotspotYesYes 
USBYesYes 
ConnectorProprietaryProprietary 
Features USB Host 
HDMIYesYes 
OtherTV-Out, Computer sync, OTA syncTV-Out, Computer sync, OTA sync 
Other features
NotificationsSilent mode, SpeakerphoneSilent mode, Speakerphone 
SensorsAccelerometer, Gyroscope, CompassAccelerometer, Gyroscope, Compass 
OtherVoice commands, Voice recordingVoice commands, Voice recording 
Availability
Officially announced07 Mar 201223 Oct 2012 
Shopping information
AccessoriesDock Connector to USB Cable, 10W USB Power Adapter, DocumentationLightning to USB Cable, USB Power Adapter 
MSRP price $ 799 

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