NIU C21A vs Xiaomi Mi Pad 2
NIU C21A
Xiaomi Mi Pad 2
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Network
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2G networkGSM 850, 900, 1800, 1900
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GPRSYes
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EDGE
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Availability
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Oficially announced2013-32015-11
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Status2013-42015-11
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Design
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SIMDual SIM (Mini-SIM)No
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Height106 mm200.4 mm
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Width45 mm132.6 mm
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Thickness14.5 mm7 mm
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Weight73 g322 g
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ColorsBlack, Blue, Fuchsia, Green, Purple, Red, WhiteChampagne gold, Dark grey
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Display
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Display typeTFTIPS LCD capacitive touchscreen
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Physical size1.8 inches7.9 inches
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Resolution128 x 160 pixels1536 x 2048 pixels
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Pixel density114 ppi324 ppi
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Display colors26214416777216
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Hardware
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CPUQuad-core 2.24 GHz
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Chipset-Intel Atom X5-Z8500
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GPU-Intel HD Graphics
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Internal storage64 Mbit16, 64 GB
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Memory RAM-2 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB128 GB
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Main camera
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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
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Camera featuresNo-
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Selfie camera
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Secondary cameraNo-
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Selfie camera5 MP
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration, PolyphonicVibration; 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 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBYesType-C reversible connector
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Bluetoothv2.0v4.1
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GPSNoNo
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Features
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Messaging SMSSMS-
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Messaging Email-Email
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Messaging IMIMIM
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Messaging Push Mail-Push Mail
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WAPYes-
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JavaNoNo
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Sensors-Accelerometer, compass, gyro
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity600 mAh6190 mAh
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Talk time4 h12 h 30 min
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Standby time200 h649 h
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OS
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OS-Android OS/Windows 10
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Browser
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HTML-HTML5