Acer Liquid Z4 vs ZTE Optik
Acer Liquid Z4
ZTE Optik
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Network
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2G networkGSM 850, 900, 1800, 1900CDMA 800, 1900
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3G networkHSDPACDMA2000 1xEV-DO
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HSDPA speedHSDPA-
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HSUPA speedHSUPA-
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EV-DO speed-3.1 Mbps
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-22012-2
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Status2014-42012-2
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Design
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SIMOptional Dual SIMMini-SIM
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Height193 mm
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Width119.4 mm
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Thickness13.2 mm
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Weight130 g400 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 inches7.0 inches
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Resolution480 x 800 pixels800 x 1280 pixels
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Pixel density233 ppi216 ppi
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Hardware
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CPUDual-core 1.3 GHzDual-core 1.2 GHz Scorpion
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Chipset-Qualcomm MSM8660 Snapdragon
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Internal storage4 GB16 GB
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Memory RAM512 MB1 GB
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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, v3.2 (Honeycomb)
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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 videovideovideo
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Primary camera Autofocus-autofocus
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNo-
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Selfie camera2 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, MP3, WAV ringtonesN/A
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Multimedia
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RadioNo
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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 2.0microUSB 2.0
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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Bluetooth EDR-Yes
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GPS-Yes, 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 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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HTMLYesHTML5
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Adobe Flash-Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-4000 mAh
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Battery removable-Non-removable
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Talk time--
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Standby time--
