ZTE Optik vs Samsung I929 Galaxy S II Duos

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          General Info

          Manufacturer
          ZTE Samsung
          Announced
          February 2012 December 2011
          Status
          Available - February 2012 Available - September 2012
          Colors
          Black Black
          Form Factor
          Candybar Candybar
          Dimension
          193 x 119.4 x 13.2 mm
          (7.6 x 4.7 x 0.52 in)
          129.8 x 68.9 x 9.7 mm
          (5.11 x 2.71 x 0.38 in)
          Weight
          400 g (14.11 oz) 138 g (4.87 oz)
          2G Network
          CDMA 800 / 1900 GSM 900 / 1800 / 1900
          CDMA2000 1xEV-DO
          3G Network
          CDMA2000 1xEV-DO
          Messaging
          , Push Mail, EMail, IM SMS, MMS, EMail, IM

          Hardware and OS

          OS
          Android OS, v3.2 (Honeycomb) Android OS, v2.3.5 (Gingerbread)
          Processor
          Dual-core 1.2 GHz Scorpion, Qualcomm MSM8660 Snapdragon [Similar] Dual-core 1.2 GHz, Qualcomm MSM8660 Snapdragon [Similar]
          GPU
          Adreno 220 [Similar]
          RAM
          1 GB [Browse Similar] 1 GB [Browse Similar]
          Internal Memory
          16 GB 16 GB
          External Memory
          microSD, up to 32GB microSD, up to 32GB

          Display

          Type
          TFT capacitive touchscreen Super AMOLED Plus capacitive touchscreen
          Colors
          TFT capacitive touchscreen 16M colors
          Size
          7.0 inches [Similar] 4.52 inches [Similar]
          Resolution
          800 x 1280 pixels (216 ppi) [Similar] 480 x 800 pixels (206 ppi) [Similar]
          Screen-to-Body Ratio
          61.45% 65.28%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          5 MP, 2592 х 1944 pixels [Similar] 8 MP, 3264x2448 pixels [Similar]
          Flash
          No LED flash
          Features
          Auto focus, Geo-tagging Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization
          Video
          Yes Yes, 1080p@30fps
          Front Camera
          Yes, 2 MP [Similar] Yes, 2 MP [Similar]

          Multimedia

          3.5mm Jack
          3.5 mm jack yes 3.5 mm jack yes
          Radio
          No Stereo FM radio with RDS
          Games
          Yes Yes
          Loud Speaker
          loudspeaker yes loudspeaker yes

          Connectivity and Data Rate

          GPRS
          No Yes
          Edge
          No Yes
          3G
          Rev. A, up to 3.1 Mbps Rev. A, up to 3.1 Mbps
          Bluetooth
          Yes, v2.1 with A2DP, EDR Yes, v3.0 with A2DP
          Wi-Fi
          Wi-Fi 802.11 b/g, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot
          USB
          Yes, microUSB v2.0 Yes, v2.0 microUSB (MHL), USB On-the-go
          GPS
          Yes, with A-GPS support Yes, with A-GPS support
          Browser
          HTML5, Adobe Flash HTML, Adobe Flash

          User Memory

          Internal
          16 GB, 1 GB RAM 16GB, 1 GB RAM
          Expandable Storage
          microSD, up to 32GB microSD, up to 32GB
          USB OTG
          - Supported

          Sensors

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

          Battery

          Type
          Standard battery, Li-Ion Standard battery, Li-Ion
          Capacity
          4000 mAh 1800 mAh
          Stand by
          -
          Talk Time
          -

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