NIU GO 21 vs Samsung Galaxy Tab 7.7 LTE I815
NIU GO 21
Samsung Galaxy Tab 7.7 LTE I815
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Network
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2G networkGSM 850, 900, 1800, 1900CDMA 800, 1900
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3G network-CDMA2000 1xEV-DO
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4G network-LTE 700 MHz Class 13
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EV-DO speed-3.1 Mbps
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LTE speed-LTE
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GPRSYes
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EDGE
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Availability
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Oficially announced2014-52012-1
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Status2014-62012
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height105 mm196.6 mm
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Width44.9 mm133.1 mm
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Thickness14.2 mm7.9 mm
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Weight66 g340.2 g
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ColorsBlack, Blue, Gray, Green, Orange, RedMetallic Gray and White
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Display
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Display typeTFTSuper AMOLED Plus capacitive touchscreen
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Physical size1.8 inches7.7 inches
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Resolution128 x 160 pixels800 x 1280 pixels
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Pixel density114 ppi196 ppi
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Display colors6656016777216
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Hardware
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CPUDual-core 1.4 GHz
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Chipset-Exynos 4210
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GPU-Mali-400
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Internal storage64 Mbit16, 32 GB
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Memory RAM-1 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Main camera
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Main camera3.15 MP
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Primary camera resolution640 x 480 pixels2048 x 1536 pixels
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Primary camera videono720p
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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 cameraNo-
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Selfie camera2 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration, MP3 ringtonesN/A
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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, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.02.0
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Bluetoothv2.1v3.0
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Bluetooth A2DP-Yes
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Bluetooth EDRYes-
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GPSNoYes, with A-GPS
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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 Mail
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WAPYes-
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JavaNoYes, via Java MIDP emulator
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity650 mAh5100 mAh
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Battery removable-Non-removable
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Talk time6 h-
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Talk time 3G-13 h
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Standby time200 h-
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Standby time 3G-392 h
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OS
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OS-Android OS, v3.2 (Honeycomb)
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Browser
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HTML-HTML5
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Adobe Flash-Yes
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