Celkon A20 vs Lava Iris X1 Atom S
Celkon A20
Lava Iris X1 Atom S
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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3G networkHSDPA 2100HSDPA 2100
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HSPA speed-HSPA
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2013-82015-6
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Status2013-82015-6
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Design
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SIMDual SIM (Mini-SIM)Dual SIM
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Height
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Width
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Thickness
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Weight
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ColorsBlackBlack, White
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size4.0 inches4.0 inches
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Resolution480 x 800 pixels480 x 800 pixels
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Pixel density233 ppi233 ppi
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Hardware
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CPUDual-core 1.2 GHz1 GHz
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Memory ROM256 MB-
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Memory RAM512 MB512 MB
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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 MP5 MP
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Primary camera resolution2048 x 1536 pixels2592 x 1944 pixels
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Primary camera videovideovideo
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Primary camera flash-LED flash
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Camera features-Yes
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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, 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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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv2.1
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Bluetooth EDR-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 Email-
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer
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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 mAh1400 mAh
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Talk time--
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Talk time 3G-14 h 20 min
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Standby time--
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Standby time 3G-110 h
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Multimedia
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Radio FM-FM radio
