Xiaomi Mi Pad 7.9 vs vivo Y28
Xiaomi Mi Pad 7.9
vivo Y28
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 900, 2100
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HSDPA speed-21.1 Mbps
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HSUPA speed-5.76 Mbps
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-32014-12
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Status2014-62014-12
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Design
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SIMNoMicro-SIM
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Height202 mm137.4 mm
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Width135.4 mm68.6 mm
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Thickness8.5 mm9.8 mm
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Weight360 g156 g
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ColorsBlue, Gray, Green, Pink, White, YellowWhite
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size7.9 inches4.7 inches
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Resolution1536 x 2048 pixels540 x 960 pixels
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Pixel density324 ppi216 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 2.2 GHz ARM Cortex-A15Quad-core 1.3 GHz
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ChipsetNvidia Tegra K1Mediatek MT6582
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GPUULP GeForce Kepler (192 cores)-
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Memory RAM2 GB1 GB
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Internal storage16, 64 GB8 GB
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Memory cardmicroSDmicroSD
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Memory card max128 GB128 GB
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OS
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OSAndroid OSAndroid OS, v4.2.2 (Jelly Bean)
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Main camera
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Camera typePhoto / Video-
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Main camera8 MP8 MP
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Primary camera resolution3264 x 2448 pixels3264 x 2448 pixels
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Primary camera video1080p1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera features-Geo-tagging, face detection, touch focus
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Selfie camera
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Selfie camera5 MP5 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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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV 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 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-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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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.0v4.0
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Bluetooth A2DP-Yes
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Bluetooth EDR-Yes
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Infrared-Yes
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GPSNoYes, with A-GPS
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush MailPush Mail
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Sensors-Accelerometer, compass, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity6700 mAh2100 mAh
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Talk time11 h-
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Talk time 2G-14 h
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Talk time 3G-13 h
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Standby time--
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Standby time 2G-430 h
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Standby time 3G-430 h