Allview Viva H7S vs Celkon A20
Allview Viva H7S
Celkon A20
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 900, 2100HSDPA 2100
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HSDPA speed21.1 Mbps-
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HSUPA speed5.76 Mbps-
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Speed Yes-Yes, 384 kbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-62013-8
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Status2014-62013-8
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height191 mm
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Width107.3 mm
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Thickness8.8 mm
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Weight277.6 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 size7.0 inches4.0 inches
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Resolution800 x 1280 pixels480 x 800 pixels
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Pixel density216 ppi233 ppi
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Display colors16777216-
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7Dual-core 1.2 GHz
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ChipsetMediatek MT8382-
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GPUMali-400-
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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, v4.2.2 (Jelly Bean)Android OS, v4.2.0 (Jelly Bean)
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Main camera
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Main camera5 MP3.15 MP
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Primary camera resolution2592 х 1944 pixels2048 x 1536 pixels
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Primary camera video1080pvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Camera featuresGeo-tagging, HDR, panorama, touch focus-
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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; MP3, WAV ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMFM radio with RDS-
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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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Bluetoothv4.0Yes
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Bluetooth EDRYes-
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GPSYes, with A-GPSNo
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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 Email-Push Email
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Messaging Push MailPush Mail-
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer-
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3000 mAh1500 mAh
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Talk time5 h-
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Standby time300 h-
