Karbonn A27 Retina vs Samsung Galaxy A7 Duos
Karbonn A27 Retina
Samsung Galaxy A7 Duos
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 850, 900, 1900, 2100
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HSDPA speedHSDPA, 7.2 Mbps42.2 Mbps
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HSUPA speed-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 announced2013-32015-1
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Status2013-32015-2
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Nano-SIM, dual stand-by)
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Height133.6 mm151 mm
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Width66 mm76.2 mm
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Thickness9.1 mm6.3 mm
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Weight126.5 g141 g
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ColorsBlackChampagne Gold, Midnight Black, Pearl White
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size4.3 inches5.5 inches
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Resolution540 x 960 pixels1080 x 1920 pixels
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Pixel density256 ppi401 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.2 GHzQuad-core 1.5 GHz ARM Cortex-A53
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CPU(second)quad-core 1.0 GHz ARM Cortex-A53
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Chipset-Qualcomm MSM8939 Snapdragon 615
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GPU-Adreno 405
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Memory RAM512 MB2 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, v4.1 (Jelly Bean)Android OS, v4.4.4 (KitKat)
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Main camera
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Main camera8 MP13 MP
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Primary camera resolution3264 x 2448 pixels4128 x 3096 pixels
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Primary camera videovideo1080p@30fps
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Camera features-Geo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera2 MP5 MP
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Selfie camera video-1080p
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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 FMFM radioFM radio with RDS
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Radio recording-recording
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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 DirectYesYes
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WLAN WiFi Dual Band-Yes
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USBYesmicroUSB 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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Bluetooth EDR-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GPS Navigator-Beidou
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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 Mail
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer, compass, proximity
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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 capacity1800 mAh2600 mAh
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Battery removable-Non-removable
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Talk time4 h-
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Talk time 3G-17 h
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Standby time180 h-
