Karbonn A27 Retina vs ZTE R228 Dual SIM
Karbonn A27 Retina
ZTE R228 Dual SIM
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 2100-
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HSDPA speedHSDPA, 7.2 Mbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2013-32011-5
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Status2013-3
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height133.6 mm108 mm
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Width66 mm46 mm
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Thickness9.1 mm11.7 mm
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Weight126.5 g80 g
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ColorsBlackBlack, Pink
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Display
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Display typeIPS LCD capacitive touchscreenTFT
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Physical size4.3 inches2.0 inches
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Resolution540 x 960 pixels176 x 220 pixels
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Pixel density256 ppi141 ppi
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Hardware
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CPUDual-core 1.2 GHz
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Memory RAM512 MB-
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Internal storage4 GB2 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB8 GB
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OS
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OSAndroid OS, v4.1 (Jelly Bean)-
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Main camera
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Main camera8 MP1.3 MP
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Primary camera resolution3264 x 2448 pixels1280 x 1024 pixels
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Primary camera videovideono
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Primary camera Autofocusautofocus-
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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 jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesVibration, Polyphonic
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Multimedia
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Radio FMFM radioStereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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USBYesYes
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BluetoothYesYes
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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WAP-Yes
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh1000 mAh
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Talk time4 h5 h
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Standby time180 h400 h
