NIU C21A vs Philips D633
NIU C21A
Philips D633
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Network
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2G networkGSM 850, 900, 1800, 1900CDMA 800
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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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Status2013-42012-6
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Oficially announced2013-32012-6
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height106 mm125.4 mm
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Width45 mm63.9 mm
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Thickness14.5 mm11.5 mm
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Weight73 g154 g
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ColorsBlack, Blue, Fuchsia, Green, Purple, Red, WhiteWhite
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Display
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Display typeTFTTFT capacitive touchscreen
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Physical size1.8 inches4.0 inches
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Resolution128 x 160 pixels480 x 800 pixels
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Pixel density114 ppi233 ppi
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Display colors262144-
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Hardware
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CPU1 GHz
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Internal storage64 Mbit60 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 camera5 MP
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Primary camera resolution640 x 480 pixels2592 x 1944 pixels
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Primary camera videono480p
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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 jackNoYes
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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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WLANWi-Fi 802.11b, 802.11g
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WLAN WiFi Hotspot-Yes
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USBYesmicroUSB 2.0
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Bluetoothv2.0v2.0
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Bluetooth A2DP-Yes
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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 Email
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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 mAh1630 mAh
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Talk time4 h5 h
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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
