NIU C21A vs Samsung Galaxy Attain 4G
NIU C21A
Samsung Galaxy Attain 4G
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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 1700, 2100
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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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Status2013-42012-2
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Oficially announced2013-32012-1
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height106 mm113.1 mm
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Width45 mm60.5 mm
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Thickness14.5 mm11.7 mm
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Weight73 g119.1 g
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ColorsBlack, Blue, Fuchsia, Green, Purple, Red, WhiteBlack
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Display
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Display typeTFTTFT capacitive touchscreen
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Physical size1.8 inches3.5 inches
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Resolution128 x 160 pixels320 x 480 pixels
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Pixel density114 ppi165 ppi
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Display colors262144262144
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Hardware
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CPU1 GHz
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Internal storage64 Mbit-
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Memory RAM-512 MB
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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 videonovideo
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Camera featuresNo-
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Selfie camera
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Secondary cameraNo-
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Selfie camera1.3 MP
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBYesmicroUSB 2.0
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Bluetoothv2.0Yes
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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 MMS-MMS
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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 capacity600 mAh1650 mAh
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Talk time4 h3 h 30 min
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Standby time200 h200 h
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OS
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OS-Android OS, v2.3 (Gingerbread)
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Browser
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HTML-Yes
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Adobe Flash-Yes
