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Google Nexus S 4G vs Samsung Epic 4G Touch

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Google Nexus S 4G Remove phone

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PA Rating - 8.5
User Rating - 8.3

Posted: 21 Mar 2011
Market Status: Released US carrier availability: Sprint - Discontinued

Samsung Epic 4G Touch Remove phone

phone
Also known as Samsung SPH-D710, Samsung Within, Samsung Galaxy SII 4G, Samsung Galaxy S II 4G, Samsung Galaxy S II PA Rating - 9
User Rating - 9.1

Posted: 31 Aug 2011
Market Status: Released US carrier availability: Ting - Available as Samsung Galaxy SII 4G (since 31 Jul 2012) Virgin Mobile - Available as Samsung Galaxy S II 4G (since 16 Nov 2012) Boost Mobile - Available as Samsung Galaxy S II 4G (since 11 Sep 2012) Sprint - Discontinued as Samsung Galaxy S II

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Design
Device typeSmart phoneSmart phone 
OSAndroid (4.1, 2.3.7, 2.3)Android (4.1.2, 4.0.4, 2.3.6, 2.3.4) 
Form factorCandybarCandybar 
Dimensions4.88 x 2.48 x 0.44 inches (124 x 63 x 11 mm)5.11 x 2.74 x 0.38 inches (130 x 70 x 10 mm) 
Weight4.60 oz (130 g)
the average is 4.4 oz (127 g)		4.60 oz (130 g)
the average is 4.4 oz (127 g)		 
Side KeysLeft: Volume control; Right: Lock/Unlock keyLeft: Volume control; Right: Lock/Unlock key 
Colors Black, White 
Display
Physical size4.0 inches4.5 inches 
Resolution480 x 800 pixels480 x 800 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.

233 ppi206 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.

Super AMOLEDSuper AMOLED Plus 
Colors16 777 21616 777 216 
TouchscreenCapacitive, Multi-touchCapacitive, Multi-touch 
FeaturesLight sensor, Proximity sensorLight sensor, Proximity sensor 
Battery
Talk time6.00 hours
the average is 11 h (647 min)		8.70 hours
the average is 11 h (647 min)		 
Stand-by time 10.5 days (252 hours)
the average is 18 days (441 h)		 
Capacity1500 mAh1800 mAh 
TypeLi - IonLi - Ion 
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.

Samsung Exynos 3Samsung Exynos 
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 MHz, ARM Cortex-A8Dual core, 1200 MHz, Exynos 
Graphics processorPowerVR SGX540Yes 
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.

512 MB RAM1024 MB RAM 
Built-in storage16 GB16 GB 
Storage expansion microSD, microSDHC up to 32 GB 
Camera
Camera5 megapixels8 megapixels 
FlashLEDLED 
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.

F2.6  
FeaturesAuto focusAuto focus, Smile detection, Panorama, Scenes 
Camcorder720x480 (DVD) (30 fps)1920x1080 (1080p HD) (30 fps), 1280x720 (720p HD) 
Recording formatMPEG4, H.263, H.264  
FeaturesVideo light, Video callingVideo light, Video calling 
Front-facing camera0.3 megapixels VGA2 megapixels 
specifications continue after the ad
Multimedia
Music player   
Filter by Album, Artist, Playlists 
Features Album art cover, Background playback 
Supported formatsMP3, AAC, eAAC, AAC+, AMRMP3, AAC, AAC+, eAAC+, M4A (Apple lossless), AMR, OGG, MIDI 
Video playback   
Supported formatsMPEG4, H.263, H.264MPEG4, H.263, H.264, DivX 
SpeakersEarpiece, Loudspeaker  
YouTube playerYesYes 
Internet browsing
Browser   
supportsHTML, FlashHTML, Flash 
Built-in online services support Facebook, Picasa, Twitter 
Technology
CDMA

CDMA - Code Division Multiple Access. A technique of multiplexing, also called spread spectrum, in which analog signals are converted into digital form for transmission. For each communication channel, the signals are encoded in a sequence known to the transmitter and the receiver for that channel. The foremost application is digital cellular phone technology from QUALCOMM that operates in the 800MHz band and 1.9GHz PCS band. CDMA phones are noted for their excellent call quality and long battery life.

800, 1900 MHz800, 1900 MHz 
DataWiMAXEV-DO Rev.A, WiMAX 
Global RoamingYes  
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 
Phone features
PhonebookUnlimited entries, Caller groups, Multiple numbers per contact, Search by both first and last name, Picture ID, Ring IDUnlimited entries, Caller groups, Multiple numbers per contact, Search by both first and last name, Picture ID, Ring ID 
OrganizerCalendar, Alarm, Document viewer, CalculatorCalendar, Alarm, Document viewer, Calculator, World clock, Stopwatch, Countdown timer, Memo 
MessagingSMS, MMS, Threaded view, Predictive text inputSMS, MMS, Threaded view, Predictive text input 
E-mailIMAP, POP3, SMTP, Microsoft ExchangeIMAP, POP3, SMTP, Microsoft Exchange 
Instant MessagingGoogle TalkGoogle Talk 
GamesYesYes 
Connectivity
Bluetooth2.1, EDR3.0 
Profiles Advanced Audio Distribution (A2DP), Audio/Visual Remote Control Profile (AVRCP), Generic Audio/Video Distribution (GAVDP), Handsfree (HFP), Headset (HSP), Message Access Profile (MAP), Object Push (OPP), Phone Book Access (PBAP) 
Wi-Fi802.11 b, g, n802.11 a, b, g, n 
Mobile hotspotYesYes 
USBUSB 2.0USB 2.0 
ConnectormicroUSBmicroUSB 
FeaturesMass storage device, USB chargingMass storage device, USB charging 
Headphones connector3.5mm3.5mm 
HDMI via microUSB 
Charging connectormicroUSBmicroUSB 
OtherNFC, DLNA, Computer sync, OTA sync, VoIPDLNA, Computer sync, OTA sync, SyncML 
Other features
NotificationsHaptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, SpeakerphoneHaptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone 
SensorsAccelerometer, Gyroscope, CompassAccelerometer, Gyroscope, Compass 
Hearing aid compatibilityM4M4, T3 
OtherVoice dialing, Voice commands, Voice recordingVoice dialing, Voice commands, Voice recording, TTY/TDD 
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 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

08 Apr 201126 Jul 2011 
FCC ID value: A3LSPHD720 linkFCC ID value: A3LSPHD710 link 
FCC measured SAR

FCC measured SAR - The exposure standard for mobile devices employs a unit of measurement known as the Specific Absorption Rate, or SAR. The SAR limit stated in the international guidelines is 2.0 W/ kg*. Tests for SAR are conducted using standard operating positions with the device transmitting at its highest certified power level in all tested frequency bands. Although the SAR is determined at the highest certified power level, the actual SAR of the device while operating can be well below the maximum value.

   
Head0.64 W/kg0.40 W/kg 
Measured in1900 MHz  
Body0.95 W/kg0.61 W/kg 
Measured in1900 MHz  
Availability
Officially announced21 Mar 201130 Aug 2011 
Shopping information
MSRP price   
$ 550$ 500 

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