ZTE Blade Z Max vs vivo X21i
ZTE Blade Z Max
vivo X21i
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 850, 1700(AWS), 1900HSDPA 850, 900, 2100
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4G networkLTE frequency band 2(1900), 4(1700/2100), 5(850), 12(700), 66(1700/2100)LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
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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 speed-LTE
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LTE-A speedLTE-A, (2CA) Cat6, 300 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 announced2017-82018-5
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Status20172018-5
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Design
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Build-Aluminium alloy, glass
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SIMYesHybrid Dual SIM (Nano-SIM, dual stand-by)
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Height166.1 mm154.4 mm
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Width84.6 mm75 mm
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Thickness8.4 mm7 mm
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Weight175 g159 g
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ColorsBlackAurora White, Black, Ruby Red
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size6.0 inches6.28 inches
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Resolution1080 x 1920 pixels1080 x 2280 pixels
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Pixel density367 ppi402 ppi
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Display colors1677721616777216
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ProtectionAsahi Dragontrail Glass-
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUOcta-core 1.4 GHz ARM Cortex-A53Quad-core 2 GHz Cortex-A73
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CPU(second)quad-core 2 GHz Cortex-A53
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ChipsetQualcomm MSM8940 Snapdragon 435Mediatek MT6771 Helio P60
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GPUAdreno 505Mali-G72 MP3
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Memory RAM2 GB4, 6 GB
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Internal storage32 GB64, 128 GB
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Memory cardmicroSDmicroSD(uses second SIM slot)
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Memory card max128 GB256 GB
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OS
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OSAndroid 7.1.1 (Nougat)Android 8.1 (Oreo)
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Main camera
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Camera typeDualDual
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Main camera16 MP12 MP, f/1.8 , 1/2.5" , 1.4 µm
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2 MP5 MP, f/2.4
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Primary camera resolution-4032 x 3024 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusphase detection autofocusdual pixel phase detection autofocus
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera8 MP24 MP
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Selfie camera resolution-5632 x 4224 pixels
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Selfie camera video-1080p@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 ringtonesVibration; MP3, WAV ringtones
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Earpiece-Yes
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual Band-Yes
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USBType-C reversible connectormicroUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.2v5.0
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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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SUPLYes-
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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 IMIM-
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Messaging Push EmailPush EmailPush Email
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JavaNo-
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityFingerprint (rear-mounted), accelerometer, 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 capacity4080 mAh3425 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 2.0Yes
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Talk time 3G31 h-
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Standby time 3G528 h-
