Alcatel OT-810D vs Celkon A87
Alcatel OT-810D
Celkon A87
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122013-1
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Status2014-122013-1
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Design
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SIMDual SIM (Mini-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height70 mm
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Width70 mm
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Thickness16.8 mm
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Weight93.8 g
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KeyboardQWERTY-
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ColorsLight chrome, Mystery pinkBlack, White
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Display
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Display typeTFTCapacitive touchscreen
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Physical size2.4 inches4.0 inches
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Resolution320 x 240 pixels480 x 800 pixels
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Pixel density167 ppi233 ppi
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Display colors262144-
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Hardware
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CPU208 MHz1 GHz
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Chipset-Spreadtrum 6820
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Internal storage70 MB512 MB
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Memory RAM-512 MB
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Memory cardmicroSDmicroSD
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Memory card max8 GB32 GB
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Main camera
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Main camera2 MP5 MP
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Primary camera resolution1600 x 1200 pixels2592 x 1936 pixels
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Primary camera videovideovideo
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Primary camera Autofocus-autofocus
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Selfie camera
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Secondary cameraNoVGA camera
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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 FMFM 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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USBminiUSB 2.0Yes
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Bluetoothv2.0Yes
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Bluetooth A2DPYes-
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GPSNoNo
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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 Email-
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WAPWAP 2.0/xHTML-
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JavaYesYes, via Java MIDP emulator
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Java MIDPMIDP 2.1-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity850 mAh1450 mAh
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Talk time10 h3 h
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Standby time600 h220 h
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OS
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OS-Android OS, v2.3.6 (Gingerbread)
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Browser
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Browser-Yes