Lenovo A3900 vs NIU C21A
Lenovo A3900
NIU C21A
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100-
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LTE speedLTE, Cat4, 150 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 announced2015-52013-3
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Status2015-62013-4
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Design
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SIMDual SIM (Mini-SIM/ Micro-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height142.8 mm106 mm
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Width71.8 mm45 mm
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Thickness9 mm14.5 mm
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Weight157 g73 g
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ColorsBlack, Pearl White, SilverBlack, Blue, Fuchsia, Green, Purple, Red, White
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Display
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Display typeIPS LCD capacitive touchscreenTFT
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Physical size5.0 inches1.8 inches
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Resolution480 x 854 pixels128 x 160 pixels
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Pixel density196 ppi114 ppi
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Display colors16777216262144
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Hardware
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CPUOcta-core 1.2 GHz ARM Cortex-A53
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ChipsetMediatek MT6752-
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GPUMali-T760MP2-
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Memory RAM512 MB-
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Internal storage4 GB64 Mbit
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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, v4.4.2 (KitKat)-
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Main camera
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Main camera5 MP
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Primary camera resolution2592 x 1944 pixels640 x 480 pixels
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Primary camera videovideono
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Camera featuresYesNo
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Selfie camera
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Secondary camera-No
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Selfie camera2 MP
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration, Polyphonic
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Connectivity
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WLANWi-Fi
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USBmicroUSB 2.0Yes
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USB hostYes-
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Bluetoothv4.0v2.0
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIMIM
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Messaging Push EmailPush Mail-
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WAP-Yes
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JavaNoNo
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SensorsAccelerometer, proximity-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2300 mAh600 mAh
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Talk time-4 h
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Standby time-200 h
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Multimedia
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Radio FM-Stereo FM radio
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