Alcatel OT-908 vs Karbonn A4
Alcatel OT-908
Karbonn A4
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 1900
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3G networkHSDPA 900, 2100HSDPA 900, 2100
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HSDPA speedHSDPA, 7.2 MbpsHSDPA
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HSUPA speed-HSUPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2011-22013-3
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Status2011-62013-3
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height110 mm124.8 mm
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Width57.4 mm66 mm
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Thickness12.4 mm9.5 mm
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Weight120 g75 g
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ColorsBluish black, Mystery pink, Spicy redWhite/Black
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size2.8 inches4.0 inches
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Resolution240 x 320 pixels320 x 480 pixels
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Pixel density143 ppi144 ppi
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Display colors262144262144
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Hardware
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CPU600 MHz
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Internal storage150 MB256, 512 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Memory card included2 GB-
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OS
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OSAndroid OS, v2.2 (Froyo)Android OS, v2.3.6 (Gingerbread)
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Main camera
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Main camera2 MP3.15 MP
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Primary camera resolution1600 x 1200 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraNoYes
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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, 802.11nWi-Fi
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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0Yes
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Bluetoothv3.0Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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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 Email-
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WAPWAP 2.0/xHTML-
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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 capacity1300 mAh1400 mAh
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Talk time6 h4 h 20 min
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Standby time550 h250 h
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