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Apple iPad vs Apple iPhone 4 Size compare

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Apple iPad Remove phone

Posted: 27 Jan 2010
Market Status: Released
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Apple iPhone 4 Remove phone

Posted: 07 Jun 2010
Market Status: Released

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Design
Device typeTabletSmart phone 
OSiOS (5.1, 5, 4.x)iOS (7.x, 6.1, 6, 5.1, 5, 4.x) 
Dimensions9.56 x 7.47 x 0.50 inches (243 x 190 x 13 mm)4.50 x 2.31 x 0.37 inches (114.3 x 58.6 x 9.3 mm) 
Weight25.75 oz (730 g)
the average is 19.1 oz (546 g)
4.83 oz (137 g)
the average is 5.3 oz (151 g)
 
Materials Main body: glass; Accents: aluminum 
Colors Black, White 
Display
Physical size9.7 inches3.5 inches 
Resolution1024 x 768 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.

132 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.

 IPS LCD 
Screen-to-body ratio63.24 %55.77 % 
FeaturesLight sensorLight sensor, Proximity sensor 
Camera
Camera 5 megapixels 
Flash LED 
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.

 F2.8 
Camera sensor size 1/3.2" 
Pixel size 1.75 μm 
Hardware Features Autofocus, Back-illuminated sensor (BSI) 
Software Features Digital zoom, Geo tagging, Touch to focus 
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 A4Apple 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, 1000 MHzSingle core, 1000 MHz, ARM Cortex-A8 
Graphics processorYesPowerVR SGX535 
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.

256 MB RAM512 MB RAM 
Built-in storage64 GB32 GB 
Battery
Capacity 1420 mAh 
Not user replaceableYesYes 
Talk time 14.00 hours
the average is 15 h (875 min)
 
Stand-by time 12.5 days (300 hours)
the average is 16 days (388 h)
 
Talk time (3G) 7.00 hours
the average is 16 h (967 min)
 
Stand-by time (3G) 12.5 days (300 hours)
the average is 24 days (567 h)
 
Music playback 40.00 hours 
Video playback 10.00 hours 
specifications continue after the ad
Multimedia
MirroringTV-out  
Speakers Earpiece, Loudspeaker 
Technology
GSM850, 900, 1800, 1900 MHz850, 900, 1800, 1900 MHz 
UMTS850, 1900, 2100 MHz850, 900, 1900, 2100 MHz 
DataHSDPA 7.2 Mbit/s, UMTSHSDPA 7.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS 
Micro SIMYesYes 
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.

A-GPSA-GPS 
NavigationYesYes 
Connectivity
Bluetooth2.1, EDR2.1, EDR 
Wi-Fi802.11 a, b, g, n802.11 b, g, n 
Mobile hotspot Yes 
USBYesUSB 2.0 
ConnectorProprietaryProprietary 
Features USB charging 
OtherComputer sync, OTA syncComputer sync, OTA sync 
Other features
NotificationsSpeakerphoneMusic ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone 
Additional microphone(s) for Noise cancellation 
SensorsAccelerometer, CompassAccelerometer, Gyroscope, Compass 
Other Voice dialing, Voice commands, Voice recording 
Availability
Officially announced27 Jan 201007 Jun 2010 
Regulatory Approval
FCC approval

FCC approval - The Federal Communications Commission (FCC) is an independent United States government agency, directly responsible to Congress. The FCC was established by the Communications Act of 1934 and is charged with regulating interstate and international communications by radio, television, wire, satellite and cable. The FCC's jurisdiction covers the 50 states, the District of Columbia, and U.S. possessions. Every wireless phone device that is sold in the U.S. has to be tested and approved for sale by the FCC.

   
Date approved

Date approved - Shows the date when the particular phone is approved by the Federal Communications Commission

 07 Jun 2010 
 FCC ID value: BCG-E2380A link 
FCC measured SAR

FCC measured SAR - Working closely with federal health and safety agencies, such as the Food and Drug Administration (FDA), the FCC has adopted limits for safe exposure to radiofrequency (RF) energy. These limits are given in terms of a unit referred to as the Specific Absorption Rate (SAR), which is a measure of the amount of radio frequency energy absorbed by the body when using a mobile phone. The FCC requires cell phone manufacturers to ensure that their phones comply with these objective limits for safe exposure. Any cell phone at or below these SAR levels (that is, any phone legally sold in the U.S.) is a "safe" phone, as measured by these standards. The FCC limit for public exposure from cellular telephones is an SAR level of 1.6 watts per kilogram (1.6 W/kg).

   
Head 1.17 W/kg 
Measured in 1900 MHz 
Body 0.43 W/kg 
Measured in 1900 MHz 

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