Alcatel One Touch Tab 8 HD vs Celkon A20
Alcatel One Touch Tab 8 HD
Celkon A20
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Network
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2G networkGSM 900, 1800
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3G network-HSDPA 2100
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Speed Yes-Yes, 384 kbps
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2013-12013-8
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Status2013-62013-8
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Design
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SIMDual SIM (Mini-SIM)
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Height202 mm
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Width154 mm
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Thickness9.5 mm
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Weight400 g
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ColorsBlackBlack
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size8.0 inches4.0 inches
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Resolution768 x 1024 pixels480 x 800 pixels
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Pixel density160 ppi233 ppi
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Hardware
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CPUDual-core 1.6 GHzDual-core 1.2 GHz
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Memory ROM-256 MB
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Memory RAM1 GB512 MB
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Internal storage8 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, v4.1 (Jelly Bean)Android OS, v4.2.0 (Jelly Bean)
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Main camera
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Main camera2 MP3.15 MP
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Primary camera resolution1600 x 1200 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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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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NotificationsN/AVibration, Polyphonic, MP3 ringtones
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Multimedia
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RadioNo-
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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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Bluetoothv2.1Yes
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Bluetooth A2DPYes-
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GPSYesNo
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push Email-Push 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 capacity-1500 mAh
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Battery removableNon-removable-
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Talk time4 h-
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Standby time125 h-
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