Celkon A87 vs Philips D812
Celkon A87
Philips D812
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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3G network-CDMA2000 1xEV-DO
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EV-DO speed-EV-DO
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2013-12011-2
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Status2013-12011-2
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height109.6 mm
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Width55.2 mm
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Thickness14 mm
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Weight125 g
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ColorsBlack, WhiteBlack
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Display
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Display typeCapacitive touchscreenTFT resistive touchscreen
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Physical size4.0 inches3.2 inches
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Resolution480 x 800 pixels240 x 400 pixels
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Pixel density233 ppi146 ppi
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Display colors-66560
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Hardware
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CPU1 GHz
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ChipsetSpreadtrum 6820-
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Memory RAM512 MB-
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Internal storage512 MB130 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB8 GB
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Memory card included-2 GB
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OS
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OSAndroid OS, v2.3.6 (Gingerbread)-
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Main camera
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Main camera5 MP3.15 MP
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Primary camera resolution2592 x 1936 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Primary camera Autofocusautofocusautofocus
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYesNo
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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-No
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USBYesmicroUSB 2.0
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorNo
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Browser
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1450 mAh1100 mAh
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Talk time3 h3 h 10 min
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Standby time220 h100 h
