NIU Niutek 3G 4.0 N309 vs NIU Tek 4D2
NIU Niutek 3G 4.0 N309
NIU Tek 4D2
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 1900HSDPA 850, 1900
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HSDPA speedHSDPA, 14.4 Mbps21.1 Mbps
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HSUPA speed-5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2012-82014-11
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Oficially announced2012-62014-8
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM/ Micro-SIM)
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Height123.5 mm123 mm
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Width65 mm63 mm
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Thickness10.5 mm10.3 mm
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Weight71 g152 g
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ColorsBlack, WhiteBlack, Blue, Gray, Orange, White
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size4.0 inches4.0 inches
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Resolution480 x 800 pixels480 x 800 pixels
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Pixel density233 ppi233 ppi
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Display colors16777216262144
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Hardware
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CPU1 GHz ARM Cortex-A91 GHz ARM Cortex-A7 Dual-core
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ChipsetMediatek MT6575Mediatek MT6572M
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GPUPowerVR SGX531Mali-400
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Memory ROM512 MB-
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Memory RAM512 MB512 MB
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Internal storage-4 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, v2.3 (Gingerbread)Android OS, v4.4.2 (KitKat)
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Main camera
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Main camera5 MP3.15 MP
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Primary camera resolution2592 x 1944 pixels2048 x 1536 pixels
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Primary camera videovideo480p@30fps
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashLED flash
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Camera features-Geo-tagging, face detection, panorama
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Selfie camera
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Secondary cameraVGA camera-
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radioStereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11gWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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USBYesmicroUSB 2.0
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Bluetoothv2.1v4.0
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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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WAPWAP 2.0/xHTML-
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Sensors-Accelerometer
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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 capacity1650 mAh1200 mAh
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Talk time 2G16 h8 h
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Talk time 3G7 h6 h
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Standby time 2G713 h400 h
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Standby time 3G428 h320 h