LG Optimus Z vs Samsung A637
LG Optimus Z
Samsung A637
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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 2100UMTS 850, 1900
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HSDPA speedHSDPA, 7.2 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 announced2010-42008-10
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Status2010-7
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Design
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SIMMini-SIMMini-SIM
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Height117.9 mm86 mm
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Width56.9 mm43 mm
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Thickness11 mm20 mm
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Weight135 g92 g
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ColorsBlack, Pink, WhiteWhite
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size3.5 inches1.9 inches
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Resolution480 x 640 pixels144 x 176 pixels
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Pixel density229 ppi120 ppi
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Display colors262144262144
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Hardware
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CPU1 GHz Scorpion
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ChipsetQualcomm QSD8250 Snapdragon-
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GPUAdreno 200-
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Internal storage-50 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB8 GB
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Memory card included4 GB-
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OS
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OSAndroid OS, v2.1 (Eclair)-
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Main camera
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Main camera5 MP1.3 MP
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Primary camera resolution2592 x 1944 pixels1280 x 1024 pixels
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Primary camera video720pvideo
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Primary camera Autofocusautofocus-
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesNo
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NotificationsVibration, MP3 ringtonesVibration; Downloadable polyphonic, MP3 ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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WLAN WiFi HotspotYes-
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WLAN DLNAYes-
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USBmicroUSB 2.0Yes
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Bluetoothv2.1v2.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMSSMS
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Messaging EMS-EMS
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorYes
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Java MIDP-MIDP 2.0
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Browser
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HTMLYesYes
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Adobe FlashYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1350 mAh800 mAh
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Talk time4 h 10 min4 h
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Standby time200 h350 h
