HTC Windows Phone 8S vs Karbonn A4
HTC Windows Phone 8S
Karbonn A4
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 1900
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3G networkHSDPA 900, 2100HSDPA 900, 2100
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HSDPA speedHSDPAHSDPA
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HSUPA speedHSUPAHSUPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2012-92013-3
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Status2012-112013-3
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Design
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SIMMicro-SIMDual SIM (Mini-SIM)
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Height120.5 mm124.8 mm
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Width63 mm66 mm
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Thickness10.3 mm9.5 mm
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Weight113 g75 g
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ColorsDomino, Fiesta Red, Atlantic Blue, High-Rise GrayWhite/Black
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Display
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Display typeS-LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size4.0 inches4.0 inches
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Resolution480 x 800 pixels320 x 480 pixels
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Pixel density233 ppi144 ppi
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Display colors16777216262144
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Hardware
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CPUDual-core 1 GHz Krait
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ChipsetQualcomm Snapdragon S4-
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GPUAdreno 305-
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Memory RAM512 MB-
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Internal storage4 GB256, 512 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSMicrosoft Windows Phone 8Android OS, v2.3.6 (Gingerbread)
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Main camera
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Camera typePhoto / Video-
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Main camera5 MP3.15 MP
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Primary camera resolution2592 x 1944 pixels2048 x 1536 pixels
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Primary camera video720p@30fpsvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNoYes
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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, WAV ringtones
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Multimedia
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Radio FMFM radioFM radio
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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 2.0Yes
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Bluetoothv3.1Yes
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Bluetooth A2DPYes-
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Bluetooth EDRYes-
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GPSYes, with A-GPSNo
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GLONASSYes-
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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 IM-IM
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Messaging Push EmailPush Email-
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JavaNoYes, via Java MIDP emulator
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity1700 mAh1400 mAh
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Battery removableNon-removable-
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Talk time-4 h 20 min
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Standby time-250 h
