Karbonn Smart A12 Star vs LG Optimus 4X HD P880
Karbonn Smart A12 Star
LG Optimus 4X HD P880
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 850, 900, 1900, 2100
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HSDPA speedHSDPAHSDPA, 21 Mbps
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HSUPA speed-HSUPA, 5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-72012-2
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Status2014-72012-6
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Design
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SIMDual SIM (Micro-SIM, dual stand-by)Mini-SIM
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Height124.2 mm132.4 mm
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Width64.2 mm68.1 mm
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Thickness10.1 mm8.9 mm
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Weight130 g133 g
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ColorsBlackBlack, White
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Display
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Display typeIPS LCD capacitive touchscreenTrue HD-IPS LCD capacitive touchscreen
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Physical size4.0 inches4.7 inches
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Resolution480 x 800 pixels720 x 1280 pixels
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Pixel density233 ppi312 ppi
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Display colors1677721616777216
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Hardware
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CPUDual-core 1.2 GHzQuad-core 1.5 GHz ARM Cortex-A9
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Chipset-Nvidia Tegra 3
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GPU-ULP GeForce
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Memory RAM512 MB1 GB
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Internal storage4 GB16 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, v4.4.2 (KitKat)Android OS, v4.0 (Ice Cream Sandwich)
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Main camera
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Camera type-Photo / Video
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Main camera5 MP8 MP
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Primary camera resolution2592 x 1944 pixels3264 x 2448 pixels
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Primary camera videovideo1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flashLED flashLED flash
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Selfie camera
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Secondary cameraVGA camera-
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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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Radio FMFM radioStereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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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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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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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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HTMLYesHTML5
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Adobe Flash-Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1400 mAh2150 mAh
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Talk time--
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Talk time 2G-9 h 20 min
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Talk time 3G-10 h 50 min
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Standby time300 h-
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Standby time 2G-730 h
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Standby time 3G-686 h
