NIU C21A vs Philips D813
NIU C21A
Philips D813
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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EV-DO speed-3.1 Mbps
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GPRSYes
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EDGE
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Availability
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Oficially announced2013-32011
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Status2013-4
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height106 mm113 mm
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Width45 mm56 mm
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Thickness14.5 mm15.6 mm
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Weight73 g121 g
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ColorsBlack, Blue, Fuchsia, Green, Purple, Red, WhiteSilver
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Display
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Display typeTFTTFT resistive touchscreen
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Physical size1.8 inches3.2 inches
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Resolution128 x 160 pixels240 x 400 pixels
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Pixel density114 ppi146 ppi
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Display colors26214466560
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Hardware
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Internal storage64 Mbit130 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB8 GB
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Memory card included-2 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 videono320p@15fps
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Primary camera Autofocus-autofocus
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Camera featuresNo-
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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-No
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Radio FMStereo FM radio-
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Connectivity
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WLAN
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USBYesminiUSB 2.0
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Bluetoothv2.0v2.1
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Bluetooth A2DP-Yes
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GPSNoYes
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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 IMIM-
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WAPYesWAP 2.0/xHTML
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JavaNoNo
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity600 mAh1300 mAh
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Talk time4 h4 h
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Standby time200 h140 h
