Samsung Galaxy Tab 7.7 LTE I815 vs Vodafone Chat 655
Samsung Galaxy Tab 7.7 LTE I815
Vodafone Chat 655
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Network
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2G networkCDMA 800, 1900GSM 850, 900, 1800, 1900
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3G networkCDMA2000 1xEV-DOHSDPA 2100
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4G networkLTE 700 MHz Class 13-
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HSDPA speed-HSDPA
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EV-DO speed3.1 Mbps-
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LTE speedLTE-
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2012-12014-12
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Status20122014-12
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Design
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SIMMini-SIMMini-SIM
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Height196.6 mm112 mm
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Width133.1 mm61.1 mm
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Thickness7.9 mm11 mm
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Weight340.2 g104 g
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Keyboard-QWERTY
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ColorsMetallic Gray and WhiteGray
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Display
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Display typeSuper AMOLED Plus capacitive touchscreenTFT
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Physical size7.7 inches2.4 inches
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Resolution800 x 1280 pixels320 x 240 pixels
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Pixel density196 ppi167 ppi
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Display colors16777216-
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Hardware
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CPUDual-core 1.4 GHz
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ChipsetExynos 4210-
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GPUMali-400-
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Memory RAM1 GB-
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Internal storage16, 32 GB64 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB16 GB
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OS
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OSAndroid OS, v3.2 (Honeycomb)-
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Main camera
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Main camera3.15 MP2 MP
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Primary camera resolution2048 x 1536 pixels1600 x 1200 pixels
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Primary camera video720pvideo
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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 camera2 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsN/AVibration, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi
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WLAN WiFi HotspotYes-
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USB2.02.0
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Bluetoothv3.0Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSYes
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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 IMIMIM
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Messaging Push EmailPush Mail-
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JavaYes, via Java MIDP emulatorYes
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Browser
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HTMLHTML5Yes
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Adobe FlashYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity5100 mAh-
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Battery removableNon-removable-
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Talk time-5 h
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Talk time 3G13 h-
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Standby time-509 h
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Standby time 3G392 h-
