BLU Neo Pro vs Celkon A21
BLU Neo Pro
Celkon A21
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G network-HSDPA 2100
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HSDPA speed-HSDPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2011-82014-12
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Status20122014-12
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Design
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SIMMini-SIMDual SIM (dual stand-by)
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Height101 mm124.8 mm
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Width55 mm66.1 mm
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Thickness16.5 mm10.8 mm
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Weight120 g115.3 g
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KeyboardQWERTY-
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ColorsBlack, Blue, Red, SilverBlack, Blue, Red
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Display
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Display typeTFT capacitive touchscreenCapacitive touchscreen
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Physical size2.8 inches4.0 inches
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Resolution240 x 320 pixels320 x 480 pixels
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Pixel density143 ppi144 ppi
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Display colors262144-
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Hardware
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CPUDual-core 1.2 GHz
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Chipset-Mediatek MT6582
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Memory ROM1 GB512 MB
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Memory RAM256 MB256 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 camera3.15 MP3.15 MP
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Primary camera resolution2048 x 1536 pixels-
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraNo-
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMStereo FM radioFM radio
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Connectivity
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WLANWi-FiWi-Fi
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USBYesYes
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Bluetoothv2.1v4.0
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Bluetooth A2DPYes-
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GPSNoNo
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIM-
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Messaging Push EmailPush Email-
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WAPWAP 2.0/xHTML-
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JavaYesYes, via Java MIDP emulator
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity900 mAh1500 mAh
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Talk time3 h-
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Talk time 3G-8 h
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Standby time200 h-
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Standby time 3G-120 h
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OS
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OS-Android OS, v4.2.2 (Jelly Bean)
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Browser
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HTML-Yes
