Karbonn A21 vs Philips S308
Karbonn A21
Philips S308
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 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 announced2014-122014-5
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Status2014-5
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Design
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SIMDual SIM (Mini-SIM)Dual SIM
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Height126 mm
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Width64.5 mm
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Thickness9.7 mm
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Weight125 g
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ColorsPearl WhiteBlack, Black/Gray, Black/Red, Black/White, Black/Yellow
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size4.5 inches4.0 inches
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Resolution480 x 800 pixels480 x 800 pixels
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Pixel density207 ppi233 ppi
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Display colors26214416777216
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Hardware
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CPUDual-core 1.2 GHzDual-core 1 GHz
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Memory RAM512 MB512 MB
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Internal storage4 GB4 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, v4.0 (Ice Cream Sandwich)Android OS, v4.2 (Jelly Bean)
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Main camera
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Main camera5 MP5 MP
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Primary camera resolution2592 x 1944 pixels2592 x 1944 pixels
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Primary camera videovideovideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashLED flash
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Selfie camera
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Secondary camera-No
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesVibration; MP3 ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1v3.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, 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 EmailPush EmailPush Email
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh1400 mAh
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Talk time5 h9 h 30 min
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Standby time200 h700 h
