Karbonn A7 Star vs Samsung Galaxy J
Karbonn A7 Star
Samsung Galaxy J
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G network-HSDPA 800, 850, 2100
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4G network-LTE 900, 1800, 2100
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HSDPA speed-HSDPA, 42.2 Mbps
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HSUPA speed-HSUPA, 5.76 Mbps
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LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122013-12
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Status2014-122013-12
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Design
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SIMDual SIMMicro-SIM
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Height113 mm137 mm
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Width66 mm70 mm
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Thickness10.4 mm8.6 mm
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Weight146 g
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ColorsWhite/BlackPink, White
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Display
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Display typeCapacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size4.5 inches5.0 inches
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Resolution480 x 854 pixels1080 x 1920 pixels
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Pixel density218 ppi441 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1 GHz ARM Cortex-A9Quad-core 2.3 GHz Krait 400
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ChipsetMediatek MT6517Qualcomm MSM8974 Snapdragon 800
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GPUPowerVR SGX531uAdreno 330
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Internal storage164 MB16 GB
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Memory RAM-3 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB64 GB
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OS
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OSAndroid OS, v4.0 (Ice Cream Sandwich)Android OS, v4.3 (Jelly Bean)
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Main camera
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Main camera5 MP13 MP
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Primary camera resolution2592 x 1944 pixels4128 x 3096 pixels
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Primary camera videovideo2160p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flashLED flashLED flash
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Primary camera video dual video-dual-video record
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Selfie camera
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Secondary cameraYes-
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Selfie camera2 MP
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Secondary camera dual video call-dual video call
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Selfie camera video-1080p@30fps
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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-No
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Radio FMFM radio-
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Connectivity
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WLANWi-FiWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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WLAN DLNA-Yes
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USBYesmicroUSB 2.0
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USB On-The-Go-Yes
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USB host-Yes
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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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Bluetooth EDR-Yes
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Infrared-Yes
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GPSNoYes, with A-GPS
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GLONASS-Yes
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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 Email-Push Mail
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1400 mAh2600 mAh
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Talk time5 h-
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Standby time135 h-