Xiaomi Redmi 4a vs ZTE Nubia Z9 mini
Xiaomi Redmi 4a
ZTE Nubia Z9 mini
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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), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)-
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HSPA speedHSPA-
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LTE speedLTELTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2016-112015-4
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Oficially announced2016-112015-3
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Design
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SIMDual SIMDual SIM (Nano-SIM, dual stand-by)
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Height139.5 mm141.3 mm
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Width70.4 mm69.8 mm
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Thickness8.5 mm8.2 mm
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Weight131.5 g147 g
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ColorsGold, Rose GoldBlack, White
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Display
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Display typeIPS LCD capacitive touchscreenCapacitive touchscreen
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Physical size5.0 inches5.0 inches
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Resolution720 x 1280 pixels1080 x 1920 pixels
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Pixel density294 ppi441 ppi
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Display colors1677721616777216
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MultitouchYes-
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Hardware
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CPUQuad-core 1.4 GHz ARM Cortex-A53Quad-core 1.5 GHz ARM Cortex-A53
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CPU(second)quad-core 1.0 GHz ARM Cortex-A53
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ChipsetQualcomm MSM8917 Snapdragon 425Qualcomm MSM8939 Snapdragon 615
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GPUAdreno 308Adreno 405
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Memory RAM2 GB2 GB
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Internal storage16 GB16 GB
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Memory cardmicroSD(uses second SIM slot)microSD
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Memory card max256 GB128 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/2.216 MP
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Primary camera resolution-5312 x 2988 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED 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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Selfie camera5 MP, f/2.28 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 radioFM 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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Bluetoothv4.1v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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InfraredYes-
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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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SensorsAccelerometer, compass, gyro, proximityAccelerometer, 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 capacity3120 mAh2900 mAh
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Battery removableNon-removableNon-removable
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Talk time 3G-43 h
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Standby time 3G-750 h
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