Acer Iconia B1-721 vs Nokia Lumia 920
Acer Iconia B1-721
Nokia Lumia 920
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPAHSDPA 850, 900, 1900, 2100
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4G network-LTE 800, 900, 1800, 2100, 2600
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HSDPA speedHSDPAHSDPA, 42.2 Mbps
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HSUPA speedHSUPAHSUPA, 5.76 Mbps
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LTE speed-LTE, Cat3, 100 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-12012-9
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Status2014-12012-11
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Design
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SIMYesMicro-SIM
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Height199 mm130.3 mm
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Width122.3 mm70.8 mm
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Thickness11.4 mm10.7 mm
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Weight323 g185 g
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ColorsBlack/RedBlack, Gray, Red, White, Yellow
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size7.0 inches4.5 inches
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Resolution600 x 1024 pixels768 x 1280 pixels
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Pixel density170 ppi332 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.3 GHzDual-core 1.5 GHz Krait
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ChipsetMediatek MT8312Qualcomm MSM8960 Snapdragon
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GPUMali-400Adreno 225
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Memory RAM1 GB1 GB
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Internal storage16 GB32 GB
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Memory cardmicroSD
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Memory card max32 GB-
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OS
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OSAndroid OS, v4.2 (Jelly Bean)Microsoft Windows Phone 8
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Main camera
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Camera type-Photo / Video
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Main camera8 MP
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Primary camera resolution640 x 480 pixels3264 x 2448 pixels
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Primary camera videovideo1080p@30fps
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Primary camera optics-Carl Zeiss optics
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Primary camera video optical stabilization-optical stabilization
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Primary camera optical image stabilization-optical image stabilization
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Selfie camera
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Secondary cameraNo-
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Selfie camera1.3 MP
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Selfie camera video-720p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsN/AVibration; 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 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Dual Band-Yes
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WLAN DLNA-Yes
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv3.1
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Bluetooth A2DP-Yes
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Bluetooth EDR-Yes
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GPSYesYes, with A-GPS
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GLONASS-Yes
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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 EmailPush Email
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2955 mAh2000 mAh
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Battery removable-Non-removable
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Talk time--
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Talk time 2G-17 h
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Talk time 3G-10 h
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Standby time--
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Standby time 2G-400 h
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Standby time 3G-400 h