Microsoft Lumia 640 XL Dual SIM vs ZTE Open
Microsoft Lumia 640 XL Dual SIM
ZTE Open
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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, 1900, 2100HSDPA 850, 900, 1900, 2100
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HSDPA speed42.2 MbpsHSDPA, 7.2 Mbps
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HSUPA speed5.76 MbpsHSUPA, 5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-32013-2
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Status2015-32013-7
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Design
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SIMDual SIM (Micro-SIM, dual stand-by)Mini-SIM
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Height157.9 mm114 mm
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Width81.5 mm62 mm
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Thickness9 mm12.5 mm
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Weight171 g
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ColorsBlack, Glossy white, Matte cyan, Matte white, OrangeBlue, Orange
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size5.7 inches3.5 inches
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Resolution720 x 1280 pixels320 x 480 pixels
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Pixel density259 ppi165 ppi
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Display colors16777216-
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Hardware
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CPUQuad-core 1.2 GHz ARM Cortex-A71.0 GHz ARM Cortex-A5
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ChipsetQualcomm Snapdragon 400Qualcomm MSM7225A Snapdragon
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GPUAdreno 305Adreno 200
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Memory ROM-512 MB
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Memory RAM1 GB256 MB
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Internal storage8 GB-
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Memory cardmicroSDmicroSD
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Memory card max128 GB32 GB
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Memory card included-2 GB
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OS
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OSMicrosoft Windows Phone 8.1 with Lumia DenimFirefox OS 1.0
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Main camera
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Main camera13 MP3.15 MP
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Primary camera resolution4128 x 3096 pixels2048 x 1536 pixels
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Primary camera video1080p@30fpsvideo
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Primary camera opticsCarl Zeiss optics-
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Camera features1/3'' sensor size-
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Selfie camera
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Secondary camera-No
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Selfie camera5 MP
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Selfie camera video1080p-
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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 ringtones
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Multimedia
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Radio FMFM radioStereo FM 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 HotspotYes-
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WLAN DLNAYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v2.1
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Bluetooth A2DPYesYes
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Bluetooth EDR-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 EmailPush Email
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JavaNo-
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SensorsAccelerometer, compass, 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 capacity3000 mAh1200 mAh
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Talk time--
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Talk time 2G31 h 20 min-
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Talk time 3G23 h 40 min-
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Standby time--
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Standby time 2G936 h-
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Standby time 3G936 h-
