Xiaomi Redmi 4X vs ZTE Nubia Z9
Xiaomi Redmi 4X
ZTE Nubia Z9
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMAHSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 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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LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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LTE-A speedLTE-A, (2CA) Cat6, 300 Mbps download, 100 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-32015-5
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Status2017-32015-6
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Design
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SIMDual SIM (Nano-SIM/ Micro-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height139.2 mm147.4 mm
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Width70 mm68.3 mm
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Thickness8.7 mm8.9 mm
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Weight150 g192 g
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ColorsChampagne Gold, Cherry Pink, Mate BlackBlack, Gold, White
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.0 inches5.2 inches
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Resolution720 x 1280 pixels1080 x 1920 pixels
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Pixel density294 ppi424 ppi
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Display colors1677721616777216
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MultitouchYes-
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Hardware
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CPUOcta-core 1.4 GHz ARM Cortex-A53Quad-core 1.5 GHz ARM Cortex-A53
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CPU(second)quad-core 2 GHz ARM Cortex-A57
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ChipsetQualcomm MSM8940 Snapdragon 435Qualcomm MSM8994 Snapdragon 810
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GPUAdreno 505Adreno 430
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Memory RAM2, 3 GB3 GB
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Internal storage16, 32 GB32 GB
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Memory cardmicroSD
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Memory card max256 GB-
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OS
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OSAndroid OS, v6.0.1 (Marshmallow)Android OS, v5.0.2 (Lollipop)
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Main camera
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Main camera13 MP, f/2.016 MP
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Primary camera resolution-5312 x 2988 pixels
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Primary camera video1080p@30fpsvideo
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Primary camera Autofocusphase detection autofocusautofocus
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Primary camera flashLED flashLED flash
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Primary camera image stabilization-optical image stabilization
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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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Selfie camera5 MP, f/2.28 MP
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Selfie camera video1080p1080p
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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-No
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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 802.11a, 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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WLAN DLNA-Yes
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USBmicroUSB 2.0microUSB 2.0
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USB host-Yes
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Bluetoothv4.2v4.1
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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InfraredYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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BDSYes-
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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 Email-Push Email
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Messaging Push MailPush Mail-
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JavaNoNo
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityAccelerometer, compass, gyro, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity4100 mAh2900 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes-
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Talk time--
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Talk time 3G36 h-
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Standby time--
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Standby time 3G432 h-
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