Celkon A20 vs Samsung Gravity SMART
Celkon A20
Samsung Gravity SMART
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 1700, 2100
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HSDPA speed-HSDPA, 3.6 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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Status2013-8
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Oficially announced2013-82011
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height114 mm
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Width59 mm
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Thickness14 mm
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Weight130 g
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Keyboard-QWERTY
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ColorsBlackBlack/Green, Black/Red, Lunar Grey
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size4.0 inches3.2 inches
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Resolution480 x 800 pixels320 x 480 pixels
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Pixel density233 ppi180 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.2 GHz800 MHz ARMv6
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Memory ROM256 MB-
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Memory RAM512 MB270 MB
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Internal storage-150 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Memory card included-2 GB
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OS
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OSAndroid OS, v4.2.0 (Jelly Bean)Android OS, v2.2 (Froyo)
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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 pixels2048 x 1536 pixels
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Primary camera videovideo320p@14fps
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraVGA cameraNo
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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
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WLAN WiFi Hotspot-Yes
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WLAN DLNA-Yes
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv3.0
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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 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 EmailPush Mail
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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 mAh1500 mAh
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Talk time-5 h 30 min
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Standby time-364 h
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Multimedia
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Radio-No
