ZTE Blade A3 vs Xiaomi Black Shark Helo
ZTE Blade A3
Xiaomi Black Shark Helo
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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, 1900, 2100; CDMA2000 1xEV-DO
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 39(1900), 40(2300), 41(2500)LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE, Cat18, 1.2 Gbps download, 221 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-112018-10
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Status2017-112018-11
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Design
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BuildPlastic bodyAluminium alloy
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height152.4 mm160 mm
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Width75.8 mm75.2 mm
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Thickness8.2 mm8.7 mm
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Weight164 g190 g
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ColorsBlack, BlueBlack
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Display
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Display typeIPS LCD capacitive touchscreenAMOLED capacitive touchscreen
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Physical size5.5 inches6.01 inches
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Resolution720 x 1280 pixels1080 x 2160 pixels
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Pixel density267 ppi402 ppi
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Display colors1677721616777216
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Protection-Scratch resistant
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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-A53Quad-core 2.8 GHz Kryo 385 Gold
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CPU(second)quad-core 1.8 GHz Kryo 385 Silver
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ChipsetMediatek MT6737TQualcomm SDM845 Snapdragon 845
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GPUMali-T720MP2Adreno 630
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Memory RAM3 GB6, 8, 10 GB
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Internal storage32 GB128, 256 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 7.1 (Nougat)Android 8.0 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 , 1.25 µm
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20 MP, f/1.8 , 1.0 µm
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Primary camera resolution4160 x 3120 pixels4000 x 3000 pixels
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Primary camera video1080p@30fps2160p@30fps, 1080p@30fps, 720p@120fps
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Primary camera Autofocusautofocus-
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Primary camera flashdual-LED dual-tone flashdual-LED flash
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Primary camera phase detection autofocus-dual pixel phase detection autofocus
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusAutofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, RAW
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Selfie camera
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FlashLED flash-
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Selfie camera typeDual-
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Selfie camera5 MP, f/2.220 MP, f/2.2 , 1.0 µm
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2 MP
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Selfie camera resolution2592 x 1944 pixels5120 x 3840 pixels
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Selfie camera video720p@30fps1080p@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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EarpieceYesYes
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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, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi display-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 1.0 reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.1v5.0
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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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Beidou-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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SensorsFingerprint (rear-mounted), accelerometer, proximityAccelerometer, compass, gyroscope, fingerprint, light, 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 capacity4000 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Quick Charge 3.0