Alcatel Watch vs Karbonn A4
Alcatel Watch
Karbonn A4
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Network
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2G networkGSM 850, 1900
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3G network-HSDPA 900, 2100
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2015-92013-3
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Status2015-92013-3
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Design
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SIMNoDual SIM (Mini-SIM)
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Height41.8 mm124.8 mm
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Width41.8 mm66 mm
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Thickness10.5 mm9.5 mm
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Weight75 g
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ColorsBlack/Red, WhiteWhite/Black
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size1.22 inches4.0 inches
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Resolution240 x 204 pixels320 x 480 pixels
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Pixel density258 ppi144 ppi
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Display colors262144262144
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Hardware
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Internal storage-256, 512 MB
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSProprietary OSAndroid OS, v2.3.6 (Gingerbread)
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Sound
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3.5mm jackNoYes
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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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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi
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WLAN WiFi Hotspot-Yes
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USB2.0Yes
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Bluetoothv4.0Yes
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bluetooth LEYes-
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GPSNoNo
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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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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, altimeter, compass, gyroscope, heart rate-
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Browser
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HTML-Yes
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity210 mAh1400 mAh
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Battery removableNon-removable-
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Talk time120 h4 h 20 min
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Standby time-250 h
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Main camera
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Main camera3.15 MP
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Primary camera resolution-2048 x 1536 pixels
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Primary camera video-video
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Selfie camera
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Secondary camera-Yes