Celkon A27 vs ZTE Grand S II S291
Celkon A27
ZTE Grand S II S291
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 900, 2100
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HSDPA speedHSDPA-
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HSPA speed-HSPA
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LTE speed-LTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2013-22014-1
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Status2013-22014-4
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Design
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SIMDual SIM (Mini-SIM)Micro-SIM
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Height157 mm
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Width77 mm
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Thickness9.1 mm
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Weight150 g
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ColorsBlack, Blue, WhiteSilver
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Display
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Display typeCapacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.63 inches5.5 inches
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Resolution480 x 853 pixels1080 x 1920 pixels
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Pixel density211 ppi401 ppi
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Display colors-16777216
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Hardware
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CPU1 GHz2.3 GHz Quad-core Krait 400
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Chipset-Qualcomm MSM8974AB Snapdragon 801
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GPU-Adreno 330
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Memory RAM-2 GB
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Internal storage-16 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, v4.3 (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 Autofocus-autofocus
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Primary camera flash-LED flash
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Camera features-Geo-tagging, face detection, touch focus
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Selfie camera
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Secondary cameraYes-
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Selfie camera2 MP
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Selfie camera video-1080p@30fps
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Sound
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3.5mm jack-Yes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-FiWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Dual Band-Yes
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WLAN DLNA-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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GPSYesYes, 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 Email-Push Email
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Sensors-Accelerometer, compass, gyro, proximity
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Browser
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HTML-HTML5
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh3100 mAh
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Talk time6 h-
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Standby time180 h-