Celkon A66 vs Lenovo A7-50 A3500
Celkon A66
Lenovo A7-50 A3500
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G network-HSDPA
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HSDPA speed-HSDPA
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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 announced2014-122014-4
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Status2014-6
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Design
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SIMDual SIMYes
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Height136 mm198 mm
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Width67.2 mm121.2 mm
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Thickness11 mm9.9 mm
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Weight98 g320 g
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ColorsBlack, WhiteBlue
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.5 inches7.0 inches
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Resolution480 x 854 pixels800 x 1280 pixels
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Pixel density218 ppi216 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.2 GHzQuad-core 1.3 GHz ARM Cortex-A7
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Chipset-Mediatek MT8382
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Memory RAM512 MB1 GB
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Internal storage4 GB8, 16 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.1.2 (Jelly Bean)Android OS, v4.2.2 (Jelly Bean)
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Main camera
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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 videovideovideo
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraVGA camera-
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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, Polyphonic, MP3 ringtonesVibration, MP3 ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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USBYesmicroUSB 2.0
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BluetoothYesv4.0
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GPSYesYes, 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 Mail
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JavaNoYes, 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 capacity2000 mAh3450 mAh
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Battery removable-Non-removable
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Talk time5 h-
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Standby time160 h-
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