Samsung Galaxy A8 Star (A9 Star) vs vivo NEX 3 5G
Samsung Galaxy A8 Star (A9 Star)
vivo NEX 3 5G
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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 networkLTELTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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5G network-5G NSA; N41, N78
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speed-LTE-A (5CA), Cat18, 1200 Mbps download, 150 Mbps upload
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LTE-A speedLTE-A, (3CA) Cat9, 450 Mbps download, 50 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-62019-9
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Status20182019-9
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Design
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BuildPolycarbonateFront/back glass, aluminum frame
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height162.4 mm167.4 mm
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Width77 mm76.1 mm
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Thickness7.6 mm9.4 mm
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Weight191 g218.5 g
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PaymentSamsung Pay-
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ColorsBlack, WhiteBlack, Blue
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Display
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Display typeSuper AMOLED capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size6.3 inches6.89 inches
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Resolution1080 x 2220 pixels1080 x 2256 pixels
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Pixel density392 ppi363 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenScratch resistant, 3D curved glass screen
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MultitouchYesYes
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.2 GHz Kryo 260Single-core 2.96 GHz Kryo 485
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CPU(second)quad-core 1.8 GHz Kryo 260Triple-core 2.42 GHz Kryo 485
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CPU(third)Quad-core 1.8 GHz Kryo 485
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ChipsetQualcomm SDM660 Snapdragon 660Qualcomm SDM855 Snapdragon 855+
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GPUAdreno 512Adreno 640
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Memory RAM4 GB8, 12 GB
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Internal storage64 GB256 GB
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Memory cardmicroSD(uses second SIM slot)No
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Memory card max400 GB-
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Storage-UFS 3.0
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OS
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OSAndroid 8.0 (Oreo)Funtouch 9.1 OS (Android 9.0 Pie)
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Main camera
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Camera typeDualTriple
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Main camera24 MP, f/1.764 MP, f/1.8 , 1/1.7" , 0.8 µm
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16 MP, f/1.713 MP, f/2.5 , 13 mm
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13 MP, f/2.2
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Primary camera resolution4608 x 3456 pixels-
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Primary camera video2160p@30fps, 1080p@30fps2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
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Primary camera Autofocusphase detection autofocus-
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Primary camera flashLED flashLED flash
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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
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Selfie camera
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Selfie camera24 MP, f/2.016 MP
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Selfie camera resolution5632 x 4224 pixels-
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Selfie camera video1080p1080p@30fps
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Sound
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3.5mm jackYesYes
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-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 BandYesYes
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USBType-C 1.0 reversible connectorType-C 1.0 reversible connector
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USB On-The-Go-Yes
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Bluetoothv5.0v5.0
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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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GALILEOYesYes
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BDSYesYes
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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, compass, gyro, proximityAccelerometer, compass, fingerprint, gravity, gyroscope, light, proximity, in-display fingerprint sensor
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity3700 mAh4500 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesSuper FlashCharge
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Cost
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Price-800 USD