LG Optimus LTE SU640 vs Samsung R640 Character
LG Optimus LTE SU640
Samsung R640 Character
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Network
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2G networkGSM 850, 900, 1800, 1900CDMA 800, 1900
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3G networkHSDPA 850, 1900CDMA2000 1x
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4G networkLTE 800-
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HSDPA speedHSDPA-
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HSUPA speedHSUPA-
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Speed Yes-Yes
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LTE speedLTE-
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GPRS
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EDGE
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Availability
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Oficially announced2011-102011-7
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Status2012-82011-7
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Design
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SIMMini-SIMMini-SIM
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Height132.9 mm107 mm
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Width67.9 mm55 mm
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Thickness10.4 mm15 mm
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Weight135 g120 g
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Keyboard-QWERTY
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ColorsBlack, WhiteElectric Blue
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Display
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Display typeHD-IPS LCD capacitive touchscreenTFT touchscreen
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Physical size4.5 inches2.8 inches
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Resolution720 x 1280 pixels-
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Pixel density326 ppi-
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Display colors16777216262144
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Hardware
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CPUDual-core 1.5 GHz Scorpion
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ChipsetQualcomm MSM8660 Snapdragon-
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GPUAdreno 220-
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Memory RAM1 GB-
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Internal storage4 GB-
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Memory card included16 GB-
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OS
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OSAndroid OS, v2.3.5 (Gingerbread)-
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Main camera
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Main camera8 MP1.3 MP
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Primary camera resolution3264 x 2448 pixels1280 x 1024 pixels
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Primary camera video1080p@30fpsno
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary camera-No
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Selfie camera1.3 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; MP3 ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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WLAN DLNAYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv3.0v2.1
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Bluetooth A2DPYesYes
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Bluetooth EDR-Yes
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IMIM-
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Messaging Push EmailPush Mail-
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaNoNo
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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 capacity1830 mAh1000 mAh
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Talk time7 h5 h
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Standby time400 h288 h
