Oppo A7n vs Xiaomi Black Shark Helo
Oppo A7n
Xiaomi Black Shark Helo
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 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), 34(2000), 38(2600), 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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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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EV-DO speed3.1 Mbps download, 1.8 Mbps upload3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE-A (2CA), Cat6, 300 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 announced2019-42018-10
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Status2019-42018-11
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Design
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BuildAluminium alloyAluminium alloy
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height155.9 mm160 mm
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Width75.4 mm75.2 mm
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Thickness8.2 mm8.7 mm
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Weight-190 g
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ColorsGreenBlack
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Display
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Display typeS-IPS LCD capacitive touchscreenAMOLED capacitive touchscreen
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Physical size6.2 inches6.01 inches
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Resolution720 x 1520 pixels1080 x 2160 pixels
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Pixel density271 ppi402 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenScratch resistant
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MultitouchYesYes
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.3 GHz Cortex-A53Quad-core 2.8 GHz Kryo 385 Gold
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CPU(second)quad-core 1.8 GHz Cortex-A53quad-core 1.8 GHz Kryo 385 Silver
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ChipsetMediatek MT6765 Helio P35Qualcomm SDM845 Snapdragon 845
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GPUPowerVR GE8320Adreno 630
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Internal storage64 GB128, 256 GB
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Memory RAM4 GB6, 8, 10 GB
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Memory cardmicroSD, microSDHC, microSDXC-
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Memory card max256 GB-
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OS
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OSColorOS 5.2 (Android 8.1 Oreo)Android 8.0 Oreo
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Main camera
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Camera typeDualDual
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Main camera13 MP, f/2.212 MP, f/1.8 , 1.25 µm
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2 MP, f/2.420 MP, f/1.8 , 1.0 µm
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Primary camera resolution4608 x 3456 pixels4000 x 3000 pixels
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Primary camera video1080p@30fps2160p@30fps, 1080p@30fps, 720p@120fps
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Primary camera flashLED flashdual-LED flash
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Primary camera phase detection autofocusphase detection autofocusdual pixel phase detection autofocus
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-modeAutofocus, 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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Selfie camera16 MP, f/2.020 MP, f/2.2 , 1.0 µm
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Selfie camera resolution4608 x 3456 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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EarpieceYesYes
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Multimedia
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RadioFM RadioNo
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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-GoYesYes
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYes-
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Beidou-Yes
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BDSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, 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 capacity4230 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Quick Charge 3.0
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