Acer Liquid Zest vs Celkon C820
Acer Liquid Zest
Celkon C820
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPAHSDPA 2100
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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HSPA speedHSPA-
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LTE speedLTE-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2016-22014-12
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Status
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Design
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SIMSingle SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)Dual SIM
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Height-210 mm
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Width-131 mm
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Thickness-10.5 mm
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Weight-
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ColorsBlack, WhiteBlack, Silver
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Display
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Display typeIPS LCD capacitive touchscreenCapacitive touchscreen
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Physical size5.0 inches8.0 inches
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Resolution720 x 1280 pixels800 x 1280 pixels
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Pixel density294 ppi189 ppi
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Display colors16777216-
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MultitouchYes-
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Hardware
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CPUQuad-core 1.3 GHzDual-core 1 GHz
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ChipsetMediatek MT6580 / Mediatek MT6735-
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GPUMali-400MP2 / Mali-T720MP2-
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Memory RAM-512 MB
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Internal storage-4 GB
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Memory cardmicroSDmicroSD
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Memory card max-32 GB
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OS
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OSAndroid OS, v6.0 (Marshmallow)Android OS, v4.2.2 (Jelly Bean)
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Main camera
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Main camera8 MP, f/2.03.15 MP
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Primary camera resolution-2048 x 1536 pixels
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Primary camera video1080p@30fpsvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focus-
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Selfie camera
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Selfie camera5 MP1.3 MP
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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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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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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSYes
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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 MailPush Mail-
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, compass, proximity-
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Browser
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HTMLHTML5Yes
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Battery
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Battery type-Li-Ion
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Battery capacity-4000 mAh
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Battery removable-Non-removable
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Talk time-14 h
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Standby time-500 h
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Multimedia
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Radio FM-FM radio