Apple iPhone 4S vs Samsung Galaxy 551

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          General Info

          Manufacturer
          Apple Samsung
          Announced
          October 2011 October 2010
          Status
          Available - October 2011 Available - Q4 2010
          Colors
          Black, White Black
          Form Factor
          Candybar Candybar
          Dimension
          115.2 x 58.6 x 9.3 mm
          (4.54 x 2.31 x 0.37 in)
          111 x 55 x 15.2 mm
          (4.37 x 2.17 x 0.6 in)
          Weight
          140 g (4.94 oz) 117 g (4.13 oz)
          2G Network
          GSM 850 / 900 / 1800 / 1900
          CDMA2000 1xEV-DO
          GSM 850 / 900 / 1800 / 1900
          3G Network
          HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
          HSDPA 850 / 2100
          Messaging
          SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

          Hardware and OS

          OS
          iOS 5 Android OS, v2.2 (Froyo), upgradable to v2.3.6 (Gingerbread)
          Processor
          1 GHz dual-core ARM Cortex-A9 processor, Apple A5 chipset [Similar] 600 MHz, Qualcomm MSM7227 [Similar]
          GPU
          PowerVR SGX543MP2 [Similar] Adreno 200 [Similar]
          RAM
          512 MB [Browse Similar] N/A
          Internal Memory
          16/32/64 GB storage 160 MB
          External Memory
          No microSD, up to 32 GB, 1 GB included

          Display

          Type
          LED-backlit IPS TFT TFT capacitive touchscreen
          Colors
          capacitive touchscreen 16M colors
          Size
          3.5 inches [Similar] 3.2 inches [Similar]
          Resolution
          640 x 960 pixels (330 ppi) 240 x 400 pixels (146 ppi)
          Screen-to-Body Ratio
          53.92% 47.59%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          8 MP, 3264x2448 pixels [Similar] 3.15 MP, 2048x1536 pixels [Similar]
          Flash
          LED flash No
          Features
          Auto focus, Touch Focus, Geo-tagging, Face Detection, HDR Auto focus,
          Video
          Yes, 1080p@30fps, LED video light, video stabilization, geo-tagging Yes, QVGA@15fps
          Front Camera
          Yes, VGA [Similar] No [Similar]

          Multimedia

          3.5mm Jack
          3.5 mm jack yes 3.5 mm jack yes
          Radio
          No Stereo FM radio with RDS
          Games
          Downloadable, incl. motion-bas Yes + Downloadable
          Loud Speaker
          loudspeaker yes loudspeaker yes

          Connectivity and Data Rate

          GPRS
          Yes Class 10 (4+1/3+2 slots), 32 - 48 kbps
          Edge
          Yes Class 12
          3G
          HSDPA, 14.4 Mbps; HSUPA, 5.8 Mbps HSDPA, 7.2 Mbps; HSUPA
          Bluetooth
          Yes, v4.0 with A2DP Yes, v2.1 with A2DP
          Wi-Fi
          Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot
          USB
          Yes, v2.0 Yes, microUSB v2.0
          GPS
          Yes, with A-GPS support and GLONASS Yes, with A-GPS support
          Browser
          HTML (Safari) HTML

          User Memory

          Call Records
          100 received, dialed and missed calls Practically unlimited
          Internal
          16/32/64 GB storage, 512 MB RAM 160 MB
          Expandable Storage
          No microSD, up to 32 GB, 1 GB included

          Sensors

          Fingerprint
          fingerprint not supported fingerprint not supported
          Proximity Sensor
          proximity sensor present proximity sensor present
          Accelerometer Sensor
          accelerometer sensor present accelerometer sensor present
          NFC
          NFC not supported NFC not supported

          Battery

          Type
          Standard battery, Li-Po Li-Ion Battery
          Capacity
          1432 mAh 1200 mAh
          Stand by
          Up to 200 h (2G)
          Up to 200 h (3G)
          Up to 520 h (2G)
          Up to 370 h (3G)
          Talk Time
          Up to 14 h (2G)
          Up to 8 h (3G)
          Up to 9 h (2G)
          Up to 5 h (3G)

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