Microsoft Lumia 640 LTE vs alcatel A7
Microsoft Lumia 640 LTE
alcatel A7
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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, 2100HSDPA 850, 900, 1900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 20(800), 28(700)
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps11.5 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps upload-
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LTE-A speed-LTE-A, (2CA) Cat6, 300 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 announced2015-32017-9
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Status2015-42017-9
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Design
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SIMMicro-SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height141.3 mm152.7 mm
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Width72.2 mm76.5 mm
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Thickness8.8 mm9 mm
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Weight145 g164 g
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ColorsGlossy cyan, Matte black, Orange, WhiteMetal Black
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Display
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Display typeIPS LCD capacitive touchscreenLTPS IPS LCD capacitive touchscreen
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Physical size5.0 inches5.5 inches
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Resolution720 x 1280 pixels1080 x 1920 pixels
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Pixel density294 ppi401 ppi
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Display colors1677721616777216
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Multitouch-Yes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.2 GHz ARM Cortex-A7Quad-core 1.5 GHz
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CPU(second)quad-core 1 GHz
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ChipsetQualcomm Snapdragon 400Mediatek MT6750T
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GPUAdreno 305-
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Memory RAM1 GB3 GB
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Internal storage8 GB32 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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OSMicrosoft Windows Phone 8.1 with Lumia DenimAndroid 7.0 (Nougat)
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Main camera
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Main camera8 MP16 MP, f/2.0
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Primary camera resolution3264 x 2448 pixels-
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusautofocusphase detection autofocus
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Primary camera flashLED flashdual-LED (dual tone) flash
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Camera features1/4'' sensor size1/3" sensor size, HDR, face detection, geo-tagging, panorama, touch focus
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Selfie camera
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Flash-LED flash
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Selfie camera1 MP8 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
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 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 Direct-Yes
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WLAN DLNAYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFC-Yes
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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 Email-
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Messaging Push Mail-Push Mail
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JavaNoNo
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SensorsAccelerometer, compass, proximityFingerprint (rear-mounted), accelerometer, compass, gyro, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2500 mAh4000 mAh
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Battery removable-Non-removable
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Fast battery charging-Yes
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Talk time 2G26 h 30 min18 h
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Talk time 3G17 h 30 min17 h
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Standby time 2G864 h667 h
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Standby time 3G864 h634 h
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