Nokia Lumia 638 vs ZTE Grand X Max 2
Nokia Lumia 638
ZTE Grand X Max 2
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 900, 1900, 2100HSDPA
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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HSPA speed-HSPA
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122016-5
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Status2014-122016-5
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Design
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SIMMicro-SIMYes
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Height129.5 mm164.1 mm
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Width66.7 mm83.8 mm
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Thickness9.2 mm8.9 mm
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Weight136 g178 g
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ColorsBlackBlue
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.5 inches6.0 inches
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Resolution480 x 854 pixels1080 x 1920 pixels
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Pixel density218 ppi367 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 1.5 GHz ARM Cortex-A53
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CPU(second)quad-core 1.2 GHz ARM Cortex-A53
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ChipsetQualcomm Snapdragon 400Qualcomm MSM8952 Snapdragon 617
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GPUAdreno 305Adreno 405
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Memory RAM1 GB2 GB
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Internal storage8 GB16 GB
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Memory cardmicroSDmicroSD
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Memory card max128 GB64 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 MP13 MP
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2 MP
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Primary camera resolution2592 x 1944 pixels-
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Primary camera videovideo1080p@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, panorama, touch focus
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Selfie camera
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Secondary cameraNo-
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Selfie camera5 MP
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Selfie camera video-1080p
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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 2.0Type-C reversible connector
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Bluetoothv4.0v4.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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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 EmailPush Email
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JavaNoNo
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SensorsAccelerometerAccelerometer, 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 capacity1830 mAh3400 mAh
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Battery removable-Non-removable
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Talk time--
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Standby time--