Apple iPad Air 2 vs Microsoft Lumia 640 XL
Apple iPad Air 2
Microsoft Lumia 640 XL
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700, 1900, 2100HSDPA 850, 900, 1900, 2100
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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EV-DO speed3.1-
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LTE speedLTE, Cat4, 150 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 announced2014-102015-3
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Status2014-102015-3
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Design
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SIMNano-SIM/ Apple SIM (US & UK)Micro-SIM
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Height240 mm157.9 mm
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Width169.5 mm81.5 mm
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Thickness6.1 mm9 mm
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Weight-171 g
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Weight(Wi-Fi)437 g-
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Weight(3G)444 g-
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Weight(4G/LTE)444 g-
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ColorsGold, Silver, Space GrayBlack, Glossy white, Matte cyan, Matte white, Orange
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Display
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Display typeLED-backlit IPS LCD, capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size9.7 inches5.7 inches
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Resolution1536 x 2048 pixels720 x 1280 pixels
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Pixel density264 ppi259 ppi
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Display colors1677721616777216
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Hardware
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CPUTriple-core 1.5 GHzQuad-core 1.2 GHz ARM Cortex-A7
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ChipsetApple A8XQualcomm Snapdragon 400
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GPU-Adreno 305
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Memory RAM2 GB1 GB
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Internal storage16, 64, 128 GB8 GB
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Memory cardmicroSD
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Memory card max-128 GB
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OS
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OSiOS 8.1Microsoft Windows Phone 8.1 with Lumia Denim
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Main camera
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Camera typePhoto / Video-
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Main camera8 MP13 MP
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Primary camera resolution3264 x 2448 pixels4128 x 3096 pixels
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Primary camera video1080p@30fps, 720p@120fps1080p@30fps
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Primary camera optics-Carl Zeiss optics
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Primary camera Autofocusautofocusautofocus
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Primary camera flash-LED flash
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Primary camera video hdrHDR-
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Primary camera video stereo sound recordstereo sound record-
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Camera features1.12 µm pixel size, HDR (photo/panorama), face/smile detection, geo-tagging, touch focus1/3'' sensor size
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Selfie camera
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Selfie camera1.2 MP5 MP
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Secondary camera HDRHDR-
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Secondary camera face detectionface detection-
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Secondary camera face timeFaceTime over Wi-Fi or Cellular-
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Selfie camera video720p@30fps1080p
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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, 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 DLNA-Yes
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USBLightning, USB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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Bluetooth EDRYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GPS Navigator-Beidou
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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 iMessageiMessage-
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Messaging Push EmailPush EmailPush Email
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JavaNoNo
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SensorsAccelerometer, barometer, compass, gyroAccelerometer, compass, proximity
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Browser
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HTMLHTML5 (Safari)HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity-3000 mAh
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Battery removableNon-removable-
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Talk time10 h-
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Talk time 2G-31 h 20 min
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Talk time 3G-23 h 40 min
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Standby time--
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Standby time 2G-936 h
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Standby time 3G-936 h
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