NIU Niutek 3G 4.0 N309 vs Xiaomi Redmi Note
NIU Niutek 3G 4.0 N309
Xiaomi Redmi Note
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 850, 1900HSDPA 900, 2100
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HSDPA speedHSDPA, 14.4 Mbps-
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HSPA+ speed-HSPA+
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2012-62014-3
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Status2012-82014-3
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Design
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SIMDual SIM (Mini-SIM)Dual SIM
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Height123.5 mm154 mm
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Width65 mm78.7 mm
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Thickness10.5 mm9.5 mm
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Weight71 g199 g
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ColorsBlack, WhiteVarious
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.0 inches5.5 inches
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Resolution480 x 800 pixels720 x 1280 pixels
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Pixel density233 ppi267 ppi
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Display colors1677721616777216
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Hardware
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CPU1 GHz ARM Cortex-A91.4 GHz ARM Cortex-A7 Octa-core
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ChipsetMediatek MT6575Mediatek MT6592
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GPUPowerVR SGX531Mali-450MP4
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Memory ROM512 MB-
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Memory RAM512 MB1, 2 GB
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Internal storage-8 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, v2.3 (Gingerbread)Android OS, v4.2 (Jelly Bean)
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Main camera
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Main camera5 MP13 MP
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Primary camera resolution2592 x 1944 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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Selfie camera
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Secondary cameraVGA camera-
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Selfie camera5 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-No
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Radio FMStereo FM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11gWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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USBYesmicroUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv2.1v4.0
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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GPSYesYes, with A-GPS
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GLONASS-Yes
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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 Mail
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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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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1650 mAh3200 mAh
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Talk time--
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Talk time 2G16 h-
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Talk time 3G7 h-
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Standby time--
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Standby time 2G713 h-
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Standby time 3G428 h-