Alcatel OT-997D vs Celkon C779
Alcatel OT-997D
Celkon C779
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 900, 2100-
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HSDPA speedHSDPA, 7.2 Mbps-
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HSUPA speedHSUPA, 5.76 Mbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2012-72014-12
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Status2012-9
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Design
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SIMDual SIM (Mini-SIM, dual stand-by)Dual SIM
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Height129.8 mm
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Width68 mm
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Thickness11 mm
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Weight143 g
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ColorsBlack, WhiteBlack
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size4.3 inches2.4 inches
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Resolution480 x 800 pixels240 x 320 pixels
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Pixel density217 ppi167 ppi
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Display colors16777216-
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Hardware
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CPUDual-core 1 GHz ARM Cortex-A9
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ChipsetMediatek MT6577-
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GPUPowerVR SGX531u-
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Internal storage4 GB-
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Memory RAM1 GB-
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Memory cardmicroSDmicroSD
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Memory card max32 GB16 GB
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OS
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OSAndroid OS, v4.0 (Ice Cream Sandwich)-
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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 video720p@30fpsvideo
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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 cameraVGA cameraNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3 ringtonesVibration, Polyphonic, MP3 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 HotspotYes-
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USBmicroUSB 2.0Yes
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Bluetoothv4.0Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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Features
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Messaging 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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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLYes-
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Browser-Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh1800 mAh
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Talk time--
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Talk time 2G16 h-
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Talk time 3G8 h 30 min-
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Standby time--
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Standby time 2G400 h-
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Standby time 3G350 h-
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