HTC Desire 820 vs Samsung Galaxy Tab 7.7 LTE I815
HTC Desire 820
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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Status2014-112012
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Design
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SIMNano-SIMMini-SIM
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Height157.7 mm196.6 mm
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Width78.7 mm133.1 mm
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Thickness7.7 mm7.9 mm
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Weight155 g340.2 g
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ColorsBlue Misty, Flamingo Grey, Marble White, Milky-way Grey, Monarch Orange, Saffron Grey, Santorini White, Tangerine White, Tuxedo GreyMetallic Gray and White
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Display
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Display typeLCD capacitive touchscreenSuper AMOLED Plus capacitive touchscreen
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Physical size5.5 inches7.7 inches
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Resolution720 x 1280 pixels800 x 1280 pixels
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Pixel density267 ppi196 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 1.5 GHz ARM Cortex-A53Dual-core 1.4 GHz
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ChipsetQualcomm MSM8939 Snapdragon 615Exynos 4210
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GPUAdreno 405Mali-400
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Memory RAM2 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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OSAndroid OS, v4.4.2 (KitKat)Android OS, v3.2 (Honeycomb)
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Main camera
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Camera typePhoto / Video-
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Main camera13 MP3.15 MP
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Primary camera resolution4160 x 3120 pixels2048 x 1536 pixels
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Primary camera video1080p@30fps, 720p@60fps720p
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, simultaneous HD video and image recording, touch focus-
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Selfie camera
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Selfie camera8 MP2 MP
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Selfie camera video1080p-
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes, 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 DirectYes-
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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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USB hostYes-
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Bluetoothv4.0v3.0
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Bluetooth A2DPYesYes
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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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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 EmailPush Mail
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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SensorsAccelerometer, compass, 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-PoLi-Ion
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Battery capacity2600 mAh5100 mAh
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Battery removableNon-removableNon-removable
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Talk time 3G22 h 24 min13 h
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Standby time 3G424 h392 h
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