NIU Niutek 4.0D vs Yezz Classic C21
NIU Niutek 4.0D
Yezz Classic C21
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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 850, 1900-
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HSDPA speedHSDPA, 21 Mbps-
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HSUPA speedHSUPA, 5.76 Mbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2013-122014-3
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Status2014-12014-4
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height127 mm106 mm
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Width62.9 mm45 mm
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Thickness9.9 mm14.5 mm
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Weight131 g73 g
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ColorsBlack, Blue, Green, White, YellowBlack, Blue, Gray, Green, Purple, Red, White
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size4.0 inches1.8 inches
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Resolution480 x 800 pixels128 x 160 pixels
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Pixel density233 ppi114 ppi
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Display colors26214466560
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Hardware
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CPUDual-core 1.2 GHz ARM Cortex-A7
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ChipsetMediatek MT6572-
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GPUMali-400-
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Memory ROM512 MB-
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Memory RAM256 MB-
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Internal storage-64 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB8 GB
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OS
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OSAndroid OS, v4.2 (Jelly Bean)-
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Main camera
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Main camera3.15 MP
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Primary camera resolution2048 x 1536 pixels640 x 480 pixels
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Primary camera video720p@30fpsno
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Primary camera flashLED flash-
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Selfie camera
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Secondary camera-No
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration; ringtones
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Multimedia
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Radio FMStereo FM radioStereo FM 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 HotspotYes-
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0Yes
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Bluetoothv3.0v2.1
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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 MMSMMSMMS
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Messaging EmailEmail-
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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WAP-Yes
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh600 mAh
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Talk time-4 h
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Talk time 2G15 h-
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Talk time 3G8 h 30 min-
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Standby time-150 h
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Standby time 2G630 h-
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Standby time 3G415 h-
