Karbonn A27 Retina vs Samsung I100 Gem
Karbonn A27 Retina
Samsung I100 Gem
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Network
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2G networkGSM 900, 1800, 1900CDMA 800, 1900
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3G networkHSDPA 2100CDMA2000 1xEV-DO
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HSDPA speedHSDPA, 7.2 Mbps-
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EV-DO speed-3.1 Mbps
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2013-32011-1
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Status2013-32011-2
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height133.6 mm113.8 mm
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Width66 mm55.4 mm
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Thickness9.1 mm12.2 mm
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Weight126.5 g109.2 g
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ColorsBlackBlack
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Display
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Display typeIPS LCD capacitive touchscreenTFT touchscreen
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Physical size4.3 inches3.2 inches
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Resolution540 x 960 pixels240 x 400 pixels
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Pixel density256 ppi146 ppi
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Display colors-262144
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Hardware
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CPUDual-core 1.2 GHz800 MHz
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Internal storage4 GB124 MB
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Memory RAM512 MB-
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Memory cardmicroSDmicroSD
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Memory card max32 GB16 GB
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OS
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OSAndroid OS, v4.1 (Jelly Bean)Android OS, v2.1 (Eclair)
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Main camera
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Main camera8 MP3.15 MP
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Primary camera resolution3264 x 2448 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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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 camera-No
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Selfie camera2 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-No
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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USBYesmicroUSB 2.0
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BluetoothYesv2.1
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Bluetooth A2DP-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
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIM-
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Messaging Push EmailPush Email-
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WAP-WAP 2.0/xHTML
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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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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh-
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Talk time4 h6 h 50 min
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Standby time180 h800 h
