Celkon A20 vs Icemobile Gravity 4.0
Celkon A20
Icemobile Gravity 4.0
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 850, 1900, 2100
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HSDPA speed-21.1 Mbps
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HSUPA speed-5.76 Mbps
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2013-82015-3
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Status2013-82014-11
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Design
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SIMDual SIM (Mini-SIM)Yes
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Height140.4 mm
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Width75.8 mm
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Thickness16.3 mm
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Weight316 g
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ColorsBlackBlack, Green, Orange, White, Yellow
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.0 inches4.02 inches
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Resolution480 x 800 pixels480 x 854 pixels
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Pixel density233 ppi244 ppi
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Hardware
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CPUDual-core 1.2 GHzQuad-core 1.2 GHz ARM Cortex-A7
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Chipset-Mediatek MT6582
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GPU-Mali-400MP2
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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 GB32 GB
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OS
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OSAndroid OS, v4.2.0 (Jelly Bean)Android OS, v4.4.2 (KitKat)
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Main camera
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Main camera3.15 MP8 MP
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Primary camera resolution2048 x 1536 pixels3264 x 2448 pixels
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Primary camera videovideovideo
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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 camera1.3 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
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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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GPSNoYes
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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 IMIMIM
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Messaging Push 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 mAh2800 mAh
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Talk time--
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Talk time 2G-12 h
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Talk time 3G-7 h 30 min
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Standby time--
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Standby time 2G-300 h
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Standby time 3G-300 h
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Multimedia
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Radio FM-FM radio
