Samsung Galaxy J7 Prime 2 vs Xiaomi Black Shark Helo
Samsung Galaxy J7 Prime 2
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 network-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 announced2018-32018-10
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Status2018-42018-11
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Design
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BuildFront glass, aluminum body, plastic endsAluminium alloy
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height151.7 mm160 mm
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Width75 mm75.2 mm
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Thickness8 mm8.7 mm
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Weight170 g190 g
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ColorsBlack, Gold, Rose GoldBlack
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Display
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Display typePLS TFT capacitive touchscreenAMOLED capacitive touchscreen
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Physical size5.5 inches6.01 inches
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Resolution1080 x 1920 pixels1080 x 2160 pixels
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Pixel density401 ppi402 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla GlassScratch resistant
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUOcta-core 1.6 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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ChipsetExynos 7870 OctaQualcomm SDM845 Snapdragon 845
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GPUMali-T830 MP1Adreno 630
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Internal storage32 GB128, 256 GB
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Memory RAM3 GB6, 8, 10 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 7.0 (Nougat)Android 8.0 Oreo
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Main camera
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Camera type-Dual
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Main camera13 MP, f/1.9 , 28 mm12 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 flash-dual-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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Selfie camera13 MP, f/1.920 MP, f/2.2 , 1.0 µm
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Selfie camera resolution4160 x 3120 pixels5120 x 3840 pixels
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Selfie camera video1080p1080p@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-GoYesYes
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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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GLONASSYesYes
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Beidou-Yes
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BDSYes-
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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 (front-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 capacity3300 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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Talk time 2G21 h-
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Talk time 3G21 h-
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