Alcatel OT-870 vs Lenovo A820
Alcatel OT-870
Lenovo A820
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 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 announced2012-32014-12
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Status2012-32014-12
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Design
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SIMMini-SIMDual SIM (Mini-SIM, dual stand-by)
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Height106 mm135 mm
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Width58 mm68.2 mm
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Thickness12.3 mm9.9 mm
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Weight126.8 g151 g
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KeyboardQWERTY-
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ColorsBlack, Cherry red, Pure whiteBlack
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Display
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Display typeTFTIPS LCD capacitive touchscreen
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Physical size2.0 inches4.5 inches
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Resolution320 x 240 pixels540 x 960 pixels
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Pixel density200 ppi245 ppi
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Display colors26214416777216
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Hardware
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CPU650 MHz1.2 GHz Quad-core ARM Cortex-A7
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Chipset-Mediatek MT6589
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GPU-PowerVR SGX544
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Internal storage50 MB4 GB
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Memory RAM-1 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Main camera
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Main camera2 MP8 MP
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Primary camera resolution1600 x 1200 pixels3264 x 2448 pixels
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Primary camera videovideo720p
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Primary camera Autofocus-autofocus
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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; 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, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSYes, with A-GPS
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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 EmailPush Mail
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WAPWAP 2.0/xHTML-
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JavaYesYes, via Java MIDP emulator
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Java MIDPMIDP 2.0-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity850 mAh2000 mAh
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Talk time8 h-
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Standby time600 h-
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OS
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OS-Android OS, v4.1.2 (Jelly Bean)
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Browser
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HTML-Yes
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