Celkon A21 vs Vodafone Smart Tab II 7
Celkon A21
Vodafone Smart Tab II 7
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Network
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2G networkGSM 900, 1800GSM 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 900, 2100
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HSDPA speedHSDPA-
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HSPA speed-HSPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122012-11
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Status2014-122012-11
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Design
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SIMDual SIM (dual stand-by)Mini-SIM
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Height124.8 mm192 mm
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Width66.1 mm122 mm
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Thickness10.8 mm11.4 mm
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Weight115.3 g400 g
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ColorsBlack, Blue, RedGray
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Display
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Display typeCapacitive touchscreenTFT capacitive touchscreen
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Physical size4.0 inches7.0 inches
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Resolution320 x 480 pixels600 x 1024 pixels
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Pixel density144 ppi170 ppi
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Hardware
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CPUDual-core 1.2 GHz1 GHz ARM Cortex-A9
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ChipsetMediatek MT6582Mediatek MT6575
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GPU-PowerVR SGX531
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Memory ROM512 MB-
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Memory RAM256 MB1 GB
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Internal storage-4 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, v4.2.2 (Jelly Bean)Android OS, v4.0.4 (Ice Cream Sandwich)
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Main camera
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Main camera3.15 MP2 MP
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Primary camera resolution-1600 x 1200 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary camera-VGA 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, with stereo speakers
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NotificationsVibration, Polyphonic, MP3 ringtonesN/A
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-FiWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN DLNA-Yes
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USBYes2.0
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Bluetoothv4.0v3.0
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Mail
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh3550 mAh
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Battery removable-Non-removable
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Talk time-7 h
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Talk time 3G8 h-
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Standby time--
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Standby time 3G120 h-
