Karbonn A4 vs Philips D813
Karbonn A4
Philips D813
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Network
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2G networkGSM 850, 1900GSM 900, 1800
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3G networkHSDPA 900, 2100-
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HSDPA speedHSDPA-
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HSUPA speedHSUPA-
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EV-DO speed-3.1 Mbps
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2013-32011
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Status2013-3
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height124.8 mm113 mm
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Width66 mm56 mm
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Thickness9.5 mm15.6 mm
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Weight75 g121 g
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ColorsWhite/BlackSilver
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Display
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Display typeTFT capacitive touchscreenTFT resistive touchscreen
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Physical size4.0 inches3.2 inches
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Resolution320 x 480 pixels240 x 400 pixels
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Pixel density144 ppi146 ppi
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Display colors26214466560
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Hardware
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Internal storage256, 512 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 camera3.15 MP3.15 MP
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Primary camera resolution2048 x 1536 pixels2048 x 1536 pixels
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Primary camera videovideo320p@15fps
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Primary camera Autofocus-autofocus
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Selfie camera
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Secondary cameraYesNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV 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
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WLAN WiFi HotspotYes-
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USBYesminiUSB 2.0
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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GPSNoYes
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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 IMIM-
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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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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1400 mAh1300 mAh
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Talk time4 h 20 min4 h
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Standby time250 h140 h
