Karbonn A27 Retina vs LG Optimus Chat C550
Karbonn A27 Retina
LG Optimus Chat C550
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 900, 1700, 2100
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HSDPA speedHSDPA, 7.2 MbpsHSDPA, 7.2 Mbps
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HSUPA speed-HSUPA, 5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2013-32011-2
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Status2013-32011-3
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height133.6 mm109 mm
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Width66 mm59 mm
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Thickness9.1 mm16 mm
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Weight126.5 g122 g
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Keyboard-QWERTY
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ColorsBlackBlack, blue, pink, red, silver
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Display
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Display typeIPS LCD capacitive touchscreenTFT touchscreen
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Physical size4.3 inches2.8 inches
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Resolution540 x 960 pixels320 x 480 pixels
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Pixel density256 ppi206 ppi
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Display colors-262144
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Hardware
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CPUDual-core 1.2 GHz
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Internal storage4 GB140 MB
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Memory RAM512 MB-
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.1 (Jelly Bean)Android OS, v2.2 (Froyo)
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Main camera
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Main camera8 MP3.15 MP
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Primary camera resolution3264 x 2448 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flash-
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Selfie camera
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Secondary camera-No
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Selfie camera2 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesVibration, MP3 ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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USBYesmicroUSB 2.0
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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Bluetooth EDR-Yes
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush EmailPush Email
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh1500 mAh
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Talk time4 h5 h
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Standby time180 h440 h
