ZTE Grand X Max 2 vs vivo Y91
ZTE Grand X Max 2
vivo Y91
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800
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3G networkHSDPAHSDPA 850, 900, 2100
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4G network-LTE
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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HSPA speedHSPA-
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LTE speedLTELTE, Cat5, 150 Mbps download, 75 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2016-52018-11
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Status2016-52018-11
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Design
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Build-Plastic
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SIMYesDual SIM (Nano-SIM, dual stand-by)
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Height164.1 mm155.1 mm
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Width83.8 mm75.1 mm
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Thickness8.9 mm8.3 mm
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Weight178 g163.5 g
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ColorsBlueBlack, Blue
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.0 inches6.22 inches
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Resolution1080 x 1920 pixels720 x 1520 pixels
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Pixel density367 ppi270 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.5 GHz ARM Cortex-A53Dual-core 1.95 GHz Cortex-A53
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CPU(second)quad-core 1.2 GHz ARM Cortex-A53Hexa-core 1.45 GHz Cortex-A53
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ChipsetQualcomm MSM8952 Snapdragon 617Qualcomm SDM439 Snapdragon 439
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GPUAdreno 405Adreno 505
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Memory RAM2 GB3 GB
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Internal storage16 GB32 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max64 GB256 GB
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OS
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OSAndroid OS, v6.0 (Marshmallow)Funtouch 4.5 OS (Android 8.1 Oreo)
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Main camera
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Camera type-Dual
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Main camera13 MP13 MP, f/2.2
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2 MP2 MP, f/2.4
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashLED flash
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Primary camera phase detection autofocus-phase detection autofocus
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Selfie camera
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Selfie camera5 MP8 MP, f/2.0
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera video1080p720p@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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Earpiece-Yes
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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 DirectYesYes
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USBType-C reversible connectormicroUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.1v4.2
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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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GLONASS-Yes
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BDS-Yes
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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, compass, fingerprint, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity3400 mAh4030 mAh
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Battery removableNon-removableNon-removable
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Multimedia
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Radio-FM Radio