Karbonn A7 Star vs Lenovo IdeaPad S2
Karbonn A7 Star
Lenovo IdeaPad S2
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G network-HSDPA 2100
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HSDPA speed-HSDPA
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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 announced2014-122012-1
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Status2014-122012-9
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Design
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SIMDual SIMMini-SIM
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Height113 mm
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Width66 mm
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Thickness10.4 mm
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Weight580 g
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ColorsWhite/BlackBlack
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Display
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Display typeCapacitive touchscreenLED-backlit IPS LCD capacitive touchscreen
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Physical size4.5 inches10.0 inches
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Resolution480 x 854 pixels800 x 1280 pixels
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Pixel density218 ppi151 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1 GHz ARM Cortex-A9Dual-core 1.5 GHz Krait
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ChipsetMediatek MT6517Qualcomm MSM8960 Snapdragon
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GPUPowerVR SGX531uAdreno 225
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Internal storage164 MB32, 64 GB
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Memory RAM-1 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, v4.0 (Ice Cream Sandwich)
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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 Autofocus-autofocus
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraYesYes
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration, MP3, WAV ringtonesN/A
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBYesmicroUSB 2.0
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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Bluetooth EDR-Yes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push Email-Push 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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Adobe Flash-Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1400 mAh1350 mAh
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Battery removable-Non-removable
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Talk time5 h9 h
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Standby time135 h-
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