Acer Liquid Z2 vs Gigabyte GSmart Roma RX
Acer Liquid Z2
Gigabyte GSmart Roma RX
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100HSDPA 2100
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HSDPA speedHSDPA, 7.2 Mbps21.1 Mbps
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HSUPA speedHSUPA, 5.76 Mbps5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2013-22015-1
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Status2013-32015-3
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Design
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SIMOptional Dual SIM (Mini-SIM)Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
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Height110 mm142 mm
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Width62.5 mm73 mm
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Thickness12.3 mm9.5 mm
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Weight110 g155 g
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ColorsBlack, Black/WhiteBlack
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size3.5 inches5.0 inches
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Resolution320 x 480 pixels480 x 854 pixels
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Pixel density165 ppi196 ppi
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Display colors26214416777216
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Hardware
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CPU1 GHz1.3 GHz Quad-core
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ChipsetQualcomm MSM7227A SnapdragonMediatek MT6582
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Internal storage4 GB4 GB
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Memory RAM512 MB512 MB
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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, v4.1.1 (Jelly Bean)Android OS, v4.4.x (KitKat)
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Main camera
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Main camera5 MP5 MP
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Primary camera resolution-2592 x 1944 pixels
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Primary camera videovideovideo
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Camera features-Geo-tagging, face detection, touch focus
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Selfie camera
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Secondary cameraNoVGA 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; MP3, WAV ringtones
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Multimedia
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Radio FMFM radio with RDSFM radio
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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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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv3.0v4.0
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Bluetooth A2DPYes-
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GPSYes, with A-GPSYes, 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 Email-
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Sensors-Accelerometer, proximity
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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 capacity1300 mAh2000 mAh
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Talk time4 h20 h
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Standby time450 h400 h