Karbonn A27 Retina vs ZTE Nubia X6
Karbonn A27 Retina
ZTE Nubia X6
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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, 1900, 2100
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4G network-LTE 1800, 2600
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HSDPA speedHSDPA, 7.2 Mbps42 Mbps
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HSUPA speed-11 Mbps
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EV-DO speed-3.1 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 announced2013-32014-3
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Status2013-32014-4
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Design
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SIMDual SIM (Mini-SIM)Dual SIM
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Height133.6 mm179.5 mm
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Width66 mm89 mm
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Thickness9.1 mm7.9 mm
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Weight126.5 g215 g
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ColorsBlackGold, White
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.3 inches6.44 inches
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Resolution540 x 960 pixels1080 x 1920 pixels
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Pixel density256 ppi342 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.2 GHzQuad-core 2.3 GHz Krait 400
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Chipset-Qualcomm MSM8974AB/ MSM8974AC Snapdragon 801
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GPU-Adreno 330
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Internal storage4 GB32, 64, 128 GB
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Memory RAM512 MB2, 3 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, v4.1 (Jelly Bean)Android OS, v4.3 (Jelly Bean)
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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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Primary camera video optical stabilization-optical stabilization
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Primary camera image stabilization-optical image stabilization
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Selfie camera
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Selfie camera2 MP13 MP
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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, with stereo speakers
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NotificationsVibration, MP3, WAV ringtonesVibration; MP3 ringtones
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Multimedia
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Radio FMFM radioFM 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, 802.11ac
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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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WLAN DLNA-Yes
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USBYesmicroUSB 3.0
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USB On-The-Go-Yes
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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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Infrared-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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Battery
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Battery typeLi-IonLi-ion
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Battery capacity1800 mAh4250 mAh
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Battery removable-Non-removable
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Talk time4 h-
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Talk time 2G-32 h
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Talk time 3G-17 h
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Standby time180 h695 h
