Alcatel OT-900 vs Karbonn A27 Retina
Alcatel OT-900
Karbonn A27 Retina
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkUMTS 900, 2100HSDPA 2100
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HSDPA speed-HSDPA, 7.2 Mbps
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2011-32013-3
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Oficially announced2011-22013-3
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height112 mm133.6 mm
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Width61.5 mm66 mm
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Thickness12.9 mm9.1 mm
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Weight102.3 g126.5 g
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KeyboardQWERTY-
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ColorsCashmere Grey, Cyber blue, Fuchsia, WhiteBlack
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Display
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Display typeTFTIPS LCD capacitive touchscreen
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Physical size2.4 inches4.3 inches
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Resolution320 x 240 pixels540 x 960 pixels
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Pixel density167 ppi256 ppi
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Display colors262144-
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Hardware
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CPU245 MHz1.2 GHz Dual-core
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Internal storage50 MB4 GB
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Memory RAM-512 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Main camera
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Main camera2 MP8 MP
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Primary camera resolution1600 x 1200 pixels3264 x 2448 pixels
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Primary camera videovideovideo
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNo-
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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 ringtonesVibration, MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radio with RDSFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0Yes
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Bluetoothv2.1Yes
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Bluetooth A2DPYes-
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS(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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WAPWAP 2.0/xHTML-
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JavaYesYes, via Java MIDP emulator
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Java MIDPMIDP 2.0-
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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 capacity1000 mAh1800 mAh
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Talk time8 h4 h
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Standby time800 h180 h
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OS
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OS-Android OS, v4.1 (Jelly Bean)
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