NIU C21A vs verykool R28 Denali
NIU C21A
verykool R28 Denali
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 1700(AWS), 1900
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HSDPA speed-7.2 Mbps
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HSUPA speed-5.76 Mbps
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GPRSYesYes
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EDGEYes
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Availability
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Status2013-42015-8
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Oficially announced2013-32015-8
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM/ Micro-SIM)
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Height106 mm132 mm
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Width45 mm48.5 mm
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Thickness14.5 mm15 mm
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Weight73 g127 g
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ColorsBlack, Blue, Fuchsia, Green, Purple, Red, WhiteBlack
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Display
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Display typeTFTTFT
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Physical size1.8 inches2.4 inches
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Resolution128 x 160 pixels240 x 320 pixels
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Pixel density114 ppi167 ppi
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Display colors26214466560
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Hardware
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CPU611 MHz
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Internal storage64 Mbit-
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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 camera5 MP
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Primary camera resolution640 x 480 pixels2592 x 1944 pixels
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Primary camera videonovideo
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Camera featuresNoYes
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration, PolyphonicVibration; MP3 ringtones
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Multimedia
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Radio FMStereo FM radioStereo FM radio
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Radio antenna-built-in antenna
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Connectivity
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WLAN
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USBYesmicroUSB 2.0
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Bluetoothv2.0v3.0
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Bluetooth A2DP-Yes
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IMIM-
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WAPYes-
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JavaNoNo
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity600 mAh1400 mAh
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Talk time4 h-
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Talk time 3G-7 h
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Standby time200 h-
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Standby time 3G-240 h
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Browser
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Browser-No
