Celkon A9 Dual vs Lenovo Vibe A
Celkon A9 Dual
Lenovo Vibe A
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 900, 1900, 2100
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HSDPA speed-21.1 Mbps
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HSUPA speed-5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122016-7
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Status2016-7
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Design
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SIMDual SIMDual SIM (Mini-SIM, dual stand-by)
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Height120.5 mm124.5 mm
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Width63.9 mm64 mm
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Thickness10.6 mm10.6 mm
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Weight116 g132 g
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ColorsBlack, WhiteOnyx Black, Pearl White
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size3.5 inches4.0 inches
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Resolution320 x 480 pixels480 x 800 pixels
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Pixel density165 ppi233 ppi
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Multitouch-Yes, max 2 fingers
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Hardware
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CPUDual-core 1 GHzQuad-core 1.3 GHz ARM Cortex-A7
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Chipset-Spreadtrum SC7731G
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GPU-Mali-400MP2
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Memory RAM256 MB512 MB
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Internal storage512 MB4 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, v4.2.2 (Jelly Bean)Android OS, v5.1 (Lollipop)
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Main camera
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Main camera2 MP5 MP
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Primary camera resolution1600 x 1200 pixels-
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Primary camera videovideovideo
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Primary camera flash-LED flash
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Camera features-Yes
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Selfie camera
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Secondary cameraVGA cameraVGA camera
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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, WAV 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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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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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 Mail-Push Mail
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JavaNoNo
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Sensors-Accelerometer
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1350 mAh1700 mAh
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Battery removable-Removable
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Talk time3 h 20 min-
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Standby time240 h-
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