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Samsung Galaxy S4 vs Samsung Galaxy S II

Samsung Galaxy S4 Remove phone

phone
PA Rating - 9.3
User Rating - 9.4

Posted: 14 Mar 2013
Market Status: Released US carrier availability: Available - Verizon, AT&T, Sprint, T-Mobile, MetroPCS, U.S. Cellular, Cricket

Samsung Galaxy S II Remove phone

phone
PA Rating - 9
User Rating - 9.2

Posted: 13 Feb 2011
Market Status: Released

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Design
Device typeSmart phoneSmart phone 
OSAndroid (4.4.2, 4.3, 4.2.2)Android (4.1.2, 4.0.4, 4.0, 2.3) 
Form factorCandybarCandybar 
Dimensions5.38 x 2.75 x 0.31 inches (136.6 x 69.8 x 7.9 mm)4.93 x 2.60 x 0.33 inches (125.3 x 66.1 x 8.49 mm) 
Weight4.59 oz (130 g)
the average is 4.8 oz (136 g)
4.09 oz (116 g)
the average is 4.8 oz (136 g)
 
Body materialPolycarbonate  
Side KeysLeft: Volume control; Right: Lock/Unlock key  
ColorsBlack, Blue, Red, WhiteBlack, White 
Display
Physical size5.0 inches4.3 inches 
Resolution1080 x 1920 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.

441 ppi218 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 sensor, Scratch-resistant glass (Corning Gorilla Glass 3)Light sensor, Proximity sensor, Scratch-resistant glass (Corning Gorilla Glass) 
Camera
Camera13 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.

F2.2F2.6 
Focal length (35mm equivalent)31 mm  
Camera sensor size1/3.06"1/3.2" 
FeaturesBack-illuminated sensor (BSI), CMOS image sensor, Autofocus, Touch to focus, Digital image stabilization, Face detection, Smile detection, Exposure compensation, White balance presets, Digital zoom, Geo tagging, High Dynamic Range mode (HDR), Panorama, Scenes, Effects, Self-timer, Voice activationBack-illuminated sensor (BSI), Autofocus, Smile detection, Digital zoom, Geo tagging, Panorama 
Camcorder1920x1080 (1080p HD) (30 fps)1920x1080 (1080p HD) (30 fps), 1280x720 (720p HD) 
FeaturesDigital image stabilizationVideo light, Video calling 
Front-facing camera2 megapixels2 megapixels 
Video capture1920x1080 (1080p HD) (30 fps)  
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.

Qualcomm Snapdragon 600 APQ8064TSamsung Exynos 4210 
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.

Quad core, 1900 MHz, Krait 300Dual core, 1200 MHz, ARM Cortex-A9 
Graphics processorAdreno 320ARM Mali-400 
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.

2048 MB RAM (Dual-channel) / LPDDR31024 MB RAM / DDR2 
Built-in storage16 GB32 GB 
Maximum User Storage9 GB  
Storage expansionmicroSD, microSDHC, microSDXC up to 64 GBmicroSD, microSDHC up to 32 GB 
Battery
Talk time 18.30 hours
the average is 12 h (736 min)
 
Stand-by time 29.6 days (710 hours)
the average is 21 days (505 h)
 
Talk time (3G)17.00 hours
the average is 13 h (769 min)
9.00 hours
the average is 13 h (769 min)
 
Stand-by time (3G)15.4 days (370 hours)
the average is 21 days (502 h)
25.8 days (620 hours)
the average is 21 days (502 h)
 
Stand-by time (4G)13.3 days (320 hours)
the average is 21 days (501 h)
  
Music playback62.00 hours  
Video playback11.00 hours  
Capacity2600 mAh1650 mAh 
TypeLi - IonLi - Ion 
Wireless chargingOptional  
specifications continue after the ad
Multimedia
Music player   
Filter byAlbum, Artist, PlaylistsAlbum, Artist, Playlists 
FeaturesAlbum art cover, Background playbackAlbum art cover, Background playback 
Supported formatsMP3, AAC, AAC+, eAAC+, FLAC, WMA, AMR, OGGMP3, AAC, AAC+, eAAC+ 
Video playback   
Supported formatsMPEG4, H.263, H.264, DivX, WMVMPEG4, H.263, H.264, DivX 
Radio FM, Stereo, RDS 
SpeakersEarpiece, Loudspeaker  
YouTube playerYesYes 
Internet browsing
Browser   
supportsHTML, HTML5HTML, Flash 
Built-in online services supportYouTube (upload), Picasa/Google+Facebook, Picasa/Google+, Twitter 
Technology
GSM850, 900, 1800, 1900 MHz850, 900, 1800, 1900 MHz 
UMTS850, 900, 1900, 2100 MHz850, 900, 1900, 2100 MHz 
FDD LTE800 (band 18), 850 (band 5), 900 (band 8), 1800 (band 3), 2100 (band 1), 2600 (band 7) MHz  
DataLTE Cat3 Downlink 100 Mbit/s, LTE Cat3/4 Uplink 50 Mbit/s, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS, EDGE, GPRSHSDPA+ (4G) 21.1 Mbit/s, HSPA (unspecified), HSUPA 5.76 Mbit/s, UMTS, EDGE 
Micro SIMYes  
Global RoamingYesYes 
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, A-GPS, GlonassA-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 MessagingHangouts / Google Talk, ChatONHangouts / Google Talk 
Games Yes 
Connectivity
Bluetooth4.03.0 
ProfilesAdvanced Audio Distribution (A2DP), Attribute Protocol, Audio/Video Control Transport Protocol (AVCTP), Audio/Video Distribution Transport Protocol (AVDTP), Audio/Visual Remote Control Profile (AVRCP), Bluetooth Network Encapsulation Protocol (BNEP), Device ID Profile (DID), Generic Access (GAP), Generic Attribute Profile (GATT), Generic Audio/Video Distribution (GAVDP), Handsfree (HFP), Headset (HSP), Human Interface Device (HID), Logical Link Control and Adaptation Protocol, Message Access Profile (MAP), Multi-Channel Adaptation Protocol, Object Push (OPP), Personal Area Networking Profile (PAN), Public Area Network (PAN), Phone Book Access (PBAP), Security Manager Protocol, Serial Port (SPP), Service Discovery Protocol (SDP), SIM Access (SAP)Advanced Audio Distribution (A2DP), Audio/Video Control Transport Protocol (AVCTP), Audio/Video Distribution Transport Protocol (AVDTP), Audio/Visual Remote Control Profile (AVRCP), Generic Access (GAP), Generic Audio/Video Distribution (GAVDP), Handsfree (HFP), Headset (HSP), Human Interface Device (HID), Logical Link Control and Adaptation Protocol, Message Access Profile (MAP), Object Push (OPP), Phone Book Access (PBAP), Serial Port (SPP), Service Discovery Protocol (SDP), SIM Access (SAP) 
Wi-Fi802.11 a, b, g, n, n 5GHz, ac802.11 b, g, n 
Mobile hotspotYesYes 
Wi-Fi DirectYes  
USBUSB 2.0USB 2.0 
ConnectormicroUSBmicroUSB 
FeaturesMass storage device, USB Host, USB chargingMass storage device, USB charging 
Headphones connector3.5mm3.5mm 
HDMIvia microUSBvia microUSB 
Charging connectormicroUSBmicroUSB 
OtherNFC, DLNA, Miracast, MHL, Tethering, Computer sync, OTA sync, InfraredDLNA, MHL, Computer sync, OTA sync, SyncML 
Other features
NotificationsService lights, Haptic 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, Compass, Thermometer, Gesture, Humidity, BarometerAccelerometer, Gyroscope, Compass 
OtherVoice dialing, Voice commands, Voice recordingVoice dialing, Voice commands, Voice recording 
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

14 Mar 201311 Mar 2011 
FCC ID value: A3LGTI9505 linkFCC ID value: A3LGTI9100 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.

   
Head0.50 W/kg0.40 W/kg 
Body0.65 W/kg1.00 W/kg 
Product Specific Use0.67 W/kg1.00 W/kg 
Simultaneous Transmission1.17 W/kg1.16 W/kg 
Availability
Officially announced14 Mar 201313 Feb 2011 
Shopping information
MSRP price $ 800 

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