Acer Liquid Z4 vs Philips W820
Acer Liquid Z4
Philips W820
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPAHSDPA 2100
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HSDPA speedHSDPAHSDPA, 7.2 Mbps
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HSUPA speedHSUPA-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-22012-3
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Status2014-4
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Design
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SIMOptional Dual SIMMini-SIM
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Height114.6 mm
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Width57.7 mm
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Thickness14.8 mm
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Weight130 g143 g
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ColorsBlack/WhiteBlack
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size4.0 inches3.2 inches
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Resolution480 x 800 pixels320 x 480 pixels
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Pixel density233 ppi180 ppi
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Hardware
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CPUDual-core 1.3 GHz
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Memory ROM-512 MB
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Memory RAM512 MB-
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Internal storage4 GB90 MB
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSAndroid OS, v4.2.2 (Jelly Bean)Android OS, v2.3 (Gingerbread)
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Main camera
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Main camera5 MP5 MP
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Primary camera resolution2592 x 1944 pixels2592 x 1944 pixels
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Primary camera videovideo176x144@15fps
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Primary camera Autofocus-autofocus
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Primary camera flashLED flashLED flash
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Selfie camera
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Secondary cameraNoYes
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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; MP3 ringtones
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Multimedia
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Radio-
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Radio FM-FM radio
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Connectivity
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WLANWi-FiWi-Fi 802.11b, 802.11g
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.02.0
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BluetoothYesYes
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GPS-Yes, 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 IM-IM
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Messaging Push EmailPush EmailPush 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-2100 mAh
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Talk time-8 h
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Standby time-600 h
