Nokia Lumia 638 vs Samsung Galaxy Express Prime
Nokia Lumia 638
Samsung Galaxy Express Prime
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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, 1900, 2100
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4G network-LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700)
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE, 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 announced2014-122016-4
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Status2014-122016-4
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Design
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SIMMicro-SIMMicro-SIM
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Height129.5 mm142.2 mm
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Width66.7 mm71.1 mm
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Thickness9.2 mm7.9 mm
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Weight136 g138.9 g
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ColorsBlackBlack
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size4.5 inches5.0 inches
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Resolution480 x 854 pixels720 x 1280 pixels
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Pixel density218 ppi294 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 4
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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 ARM Cortex-A7
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ChipsetQualcomm Snapdragon 400Exynos 3475 Quad
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GPUAdreno 305Mali-T720
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Memory RAM1 GB1.5 GB
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Internal storage8 GB16 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 8.1Android OS, v6.0 (Marshmallow)
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Main camera
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Main camera5 MP5 MP, f/2.2
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Primary camera resolution2592 x 1944 pixels-
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Primary camera videovideo720p@30fps
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Primary camera Autofocusautofocusautofocus
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Primary camera flash-LED flash
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Camera features1/4'' sensor size, geo-tagging, panoramaGeo-tagging, HDR, face detection, touch focus
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Selfie camera
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Secondary cameraNo-
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Selfie camera2 MP
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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 radioFM radio with RDS
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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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Bluetoothv4.0v4.1
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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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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SensorsAccelerometerAccelerometer, 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 capacity1830 mAh2600 mAh
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Battery removable-Removable
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Talk time-22 h
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Standby time-528 h
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