Celkon A20 vs Samsung S5780 Wave 578
Celkon A20
Samsung S5780 Wave 578
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 900, 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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Oficially announced2013-82011-2
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Status2013-82011-7
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height107.9 mm
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Width54.9 mm
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Thickness12.5 mm
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Weight99.8 g
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ColorsBlackBlack
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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 pixels240 x 400 pixels
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Pixel density233 ppi146 ppi
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Display colors-262144
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Hardware
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CPUDual-core 1.2 GHz
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Memory ROM256 MB-
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Memory RAM512 MB-
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Internal storage-100 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB16 GB
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OS
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OSAndroid OS, v4.2.0 (Jelly Bean)bada OS, v1.1
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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@20fps
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Selfie camera
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Secondary cameraVGA cameraVGA camera
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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 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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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
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Messaging MMSMMSMMS
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Messaging RSS-RSS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush EmailPush Email
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorYes
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Java MIDP-MIDP 2.0
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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 mAh1200 mAh
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Talk time--
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Talk time 2G-12 h 30 min
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Talk time 3G-7 h
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Standby time--
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Standby time 2G-700 h
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Standby time 3G-500 h
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Multimedia
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Radio FM-Stereo FM radio with RDS
