Microsoft Lumia 640 XL vs Prestigio Grace 3157 3G
Microsoft Lumia 640 XL
Prestigio Grace 3157 3G
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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 900, 2100
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HSDPA speed42.2 Mbps21 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-32017
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Status2015-32017
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Design
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Build-Metal, plastic
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SIMMicro-SIMDual SIM (Mini-SIM, dual stand-by)
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Height157.9 mm109 mm
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Width81.5 mm187 mm
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Thickness9 mm9.9 mm
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Weight171 g460 g
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ColorsBlack, Glossy white, Matte cyan, Matte white, OrangeBlack
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Display
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Display typeIPS LCD capacitive touchscreenIPS capacitive touchscreen
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Physical size5.7 inches7 inches
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Resolution720 x 1280 pixels1280 x 720 pixels
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Pixel density259 ppi210 ppi
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Display colors1677721616777216
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Multitouch-Yes
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Hardware
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CPUQuad-core 1.2 GHz ARM Cortex-A7Quad-core 1.3 GHz Cortex-A7
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ChipsetQualcomm Snapdragon 400Mediatek MT8321
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GPUAdreno 305Mali-400 MP2
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Memory RAM1 GB1 GB
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Internal storage8 GB8 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max128 GB32 GB
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OS
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OSMicrosoft Windows Phone 8.1 with Lumia DenimAndroid OS, v7.0 Nougat
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Main camera
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Main camera13 MP2 MP
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Primary camera resolution4128 x 3096 pixels1600 x 1200 pixels
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Primary camera video1080p@30fps480p@30fps
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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 sizeDigital zoom, panorama, HDR, face detection, self-timer, scene-mode
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Selfie camera
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Selfie camera5 MP0.3 MP
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Selfie camera resolution-640 x 480 pixels
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Selfie camera video1080p480p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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Multimedia
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Radio FMFM radioFM 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 DLNAYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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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)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaNo-
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SensorsAccelerometer, compass, proximityAccelerometer, 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 mAh2800 mAh
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Battery removable-Non-removable
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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 2G936 h-
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Standby time 3G936 h-
