Nokia Lumia 830 vs Samsung Galaxy Tab 7.7 LTE I815
Nokia Lumia 830
Samsung Galaxy Tab 7.7 LTE I815
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Network
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2G networkGSM 850, 900, 1800, 1900CDMA 800, 1900
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3G networkHSDPA 850, 900, 1900, 2100CDMA2000 1xEV-DO
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4G network-LTE 700 MHz Class 13
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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EV-DO speed-3.1 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-92012-1
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Status2014-92012
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Design
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SIMNano-SIMMini-SIM
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Height139.4 mm196.6 mm
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Width70.7 mm133.1 mm
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Thickness8.5 mm7.9 mm
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Weight150 g340.2 g
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ColorsOrange, black, gold, green, whiteMetallic Gray and White
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED Plus capacitive touchscreen
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Physical size5.0 inches7.7 inches
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Resolution720 x 1280 pixels800 x 1280 pixels
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Pixel density294 ppi196 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 1.2 GHz ARM Cortex-A7Dual-core 1.4 GHz
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ChipsetQualcomm Snapdragon 400Exynos 4210
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GPUAdreno 305Mali-400
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Memory RAM1 GB1 GB
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Internal storage16 GB16, 32 GB
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Memory cardmicroSDmicroSD
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Memory card max128 GB32 GB
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OS
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OSMicrosoft Windows Phone 8.1Android OS, v3.2 (Honeycomb)
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Main camera
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Camera typePhoto / Video-
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Main camera10 MP3.15 MP
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Primary camera resolution3520 x 2640 pixels2048 x 1536 pixels
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Primary camera video1080p@30fps720p
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Primary camera opticsCarl Zeiss optics-
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Primary camera video optical stabilizationoptical stabilization-
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Primary camera optical image stabilizationoptical image stabilization-
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Primary camera video stereo sound recordstereo sound record-
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Camera features1/3.4'' sensor size, PureView technology, face detection, geo-tagging, panorama-
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Selfie camera
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Selfie camera0.9 MP2 MP
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Selfie camera video720p-
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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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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Dual BandYes-
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WLAN DLNAYes-
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USBmicroUSB 2.02.0
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Bluetoothv4.0v3.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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Bluetooth EDRYes-
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Bluetooth AptXYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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GPS NavigatorBeidou-
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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 EmailPush Mail
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, compass, gyro, proximity-
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Browser
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HTMLHTML5HTML5
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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 capacity2200 mAh5100 mAh
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Battery removable-Non-removable
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Talk time 2G12 h 54 min-
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Talk time 3G14 h 48 min13 h
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Standby time528 h-
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Standby time 3G-392 h
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