NIU GO 21 vs Nokia Lumia 820
NIU GO 21
Nokia Lumia 820
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 900, 1900, 2100
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4G network-LTE 800, 900, 1800, 2100, 2600
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HSDPA speed-HSDPA, 42 Mbps
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HSUPA speed-HSUPA, 5.76 Mbps
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LTE speed-LTE, Cat3, 100 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-52012-9
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Status2014-62012-11
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Design
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SIMDual SIM (Mini-SIM)Micro-SIM
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Height105 mm123.8 mm
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Width44.9 mm68.5 mm
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Thickness14.2 mm9.9 mm
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Weight66 g160 g
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ColorsBlack, Blue, Gray, Green, Orange, RedBlack, Blue, Gray, Red, Violet, White, Yellow
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Display
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Display typeTFTAMOLED capacitive touchscreen
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Physical size1.8 inches4.3 inches
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Resolution128 x 160 pixels480 x 800 pixels
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Pixel density114 ppi217 ppi
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Display colors6656016777216
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Hardware
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CPUDual-core 1.5 GHz Krait
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Chipset-Qualcomm MSM8960 Snapdragon
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GPU-Adreno 225
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Internal storage64 Mbit8 GB
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Memory RAM-1 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB64 GB
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Main camera
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Camera type-Photo / Video
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Main camera8 MP
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Primary camera resolution640 x 480 pixels3264 x 2448 pixels
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Primary camera videono1080p@30fps
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Primary camera optics-Carl Zeiss optics
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNoVGA camera
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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 radioFM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1v3.1
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Bluetooth A2DP-Yes
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Bluetooth EDRYesYes
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GPSNoYes, with A-GPS
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GLONASS-Yes
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMSMMS
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Messaging Email-Email
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Messaging IMIMIM
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Messaging Push Email-Push Email
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WAPYes-
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JavaNoNo
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity650 mAh1650 mAh
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Talk time6 h-
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Talk time 2G-14 h
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Talk time 3G-8 h
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Standby time200 h-
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Standby time 2G-330 h
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Standby time 3G-330 h
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OS
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OS-Microsoft Windows Phone 8
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Browser
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HTML-HTML5