Celkon A1 vs LG E900 Optimus 7
Celkon A1
LG E900 Optimus 7
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G network-HSDPA 900, 1900, 2100
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HSDPA speed-HSDPA, 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 announced2014-122010-10
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Status2010-11
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height113.5 mm125 mm
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Width54.5 mm59.8 mm
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Thickness12.3 mm11.5 mm
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Weight127 g157 g
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ColorsBlackBlack
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Display
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Display typeTFT touchscreenTFT capacitive touchscreen
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Physical size3.2 inches3.8 inches
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Resolution240 x 400 pixels480 x 800 pixels
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Pixel density146 ppi246 ppi
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Display colors-16777216
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Hardware
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CPU1 GHz Scorpion
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Chipset-Qualcomm QSD8650 Snapdragon
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GPU-Adreno 200
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Memory ROM-512 MB
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Memory RAM-512 MB
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Internal storage-16 GB
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Memory cardmicroSD
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Memory card max32 GB-
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OS
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OSAndroid OS, v2.2.1 (Froyo)Microsoft Windows Phone 7
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Main camera
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Camera type-Photo / Video
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Main camera3.15 MP5 MP
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Primary camera resolution2048 x 1536 pixels2592 x 1944 pixels
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Primary camera videovideo720p@24fps
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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 cameraNoNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, MP3 ringtones
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Multimedia
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Radio FMStereo FM radioStereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11gWi-Fi 802.11b, 802.11g, 802.11n
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WLAN DLNA-Yes
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USB2.0microUSB 2.0
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BluetoothYesv2.1
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Bluetooth A2DP-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 Email-Push Email
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JavaYes, via Java MIDP emulatorNo
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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 mAh1500 mAh
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Talk time5 h-
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Talk time 2G-6 h 40 min
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Talk time 3G-5 h
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Standby time400 h-
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Standby time 2G-330 h
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Standby time 3G-330 h
