Celkon A20 vs ZTE Vital N9810
Celkon A20
ZTE Vital N9810
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Network
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2G networkGSM 900, 1800CDMA 800, 1900
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3G networkHSDPA 2100CDMA2000 1xEV-DO
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4G network-LTE 1900
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EV-DO speed-3.1 Mbps
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Speed YesYes, 384 kbps-
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LTE speed-LTE
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2013-82013-6
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Status2013-82013-6
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Design
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SIMDual SIM (Mini-SIM)Yes
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Height142 mm
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Width71.4 mm
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Thickness10 mm
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Weight154 g
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ColorsBlackBlack/Blue
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.0 inches5.0 inches
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Resolution480 x 800 pixels720 x 1280 pixels
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Pixel density233 ppi294 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.2 GHzDual-core 1.5 GHz Krait
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Chipset-Qualcomm MSM8960 Snapdragon
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GPU-Adreno 225
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Memory ROM256 MB-
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Memory RAM512 MB1 GB
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Internal storage-8 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB64 GB
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OS
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OSAndroid OS, v4.2.0 (Jelly Bean)Android OS, v4.1.2 (Jelly Bean)
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Main camera
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Main camera3.15 MP13 MP
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Primary camera resolution2048 x 1536 pixels4032 x 3224 pixels
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Primary camera videovideo1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraVGA camera-
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Selfie camera1 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, MP3, WAV ringtones
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)SMS(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 EmailPush Email
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh2500 mAh
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Talk time-15 h
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Standby time--
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Multimedia
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Radio-No
