ZTE Axon 7 Max vs vivo X21i
ZTE Axon 7 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, 900, 1900, 2100HSDPA 850, 900, 2100
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4G networkLTELTE 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, 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 announced2016-102018-5
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Status2016-112018-5
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Design
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Build-Aluminium alloy, glass
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height154.4 mm
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Width75 mm
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Thickness7 mm
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Weight159 g
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ColorsGoldAurora 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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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUOcta-core 2.0 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 MSM8953 Snapdragon 625Mediatek MT6771 Helio P60
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GPUAdreno 506Mali-G72 MP3
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Memory RAM4 GB4, 6 GB
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Internal storage64 GB64, 128 GB
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Memory cardmicroSDmicroSD(uses second SIM slot)
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Memory card max-256 GB
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OS
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OSAndroid OS, v7.0 (Nougat)Android 8.1 (Oreo)
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Main camera
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Camera type-Dual
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Main camera13 MP12 MP, f/1.8 , 1/2.5" , 1.4 µm
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13 MP5 MP, f/2.4
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Primary camera resolution-4032 x 3024 pixels
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Primary camera videovideo1080p@30fps
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Primary camera Autofocusphase detection autofocusdual pixel phase detection autofocus
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Primary camera flashdual-LED (dual tone) flashLED flash
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Camera featuresGeo-tagging, HDR, face/smile detection, panorama, touch focusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Secondary cameraYes-
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Selfie camera24 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-FiWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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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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BluetoothYesv5.0
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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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, accelerometer, compass, 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 capacity4100 mAh3425 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesYes