Oppo A91 vs Samsung Galaxy J3 (2017)
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Oppo A91
Samsung Galaxy J3 (2017)
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 1700(AWS), 1900, 2100HSDPA 850, 900, 1900, 2100; HSDPA 850, 1700(AWS), 1900 - AT&T
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4G networkLTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800); LTE frequency band 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700) - AT&T
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed11.5 Mbps5.76 Mbps
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LTE speedLTE-ALTE, 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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Oficially announced2019-122017-5
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Status2019-122017-5
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Design
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BuildAluminium alloy, glass-
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SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height160.2 mm141 mm
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Width73.3 mm70.1 mm
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Thickness7.9 mm8.6 mm
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Weight172 g148 g
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ColorsDark blue, Blue, RedBlack, Gold, White
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Display
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Display typeAMOLED capacitive touchscreenCapacitive touchscreen
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Physical size6.4 inches5.0 inches
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Resolution1080 x 2400 pixels720 x 1280 pixels
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Pixel density411 ppi294 ppi
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Display colors1677721616777216
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ProtectionScratch resistant-
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MultitouchYesYes
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.1 GHz Cortex-A73Quad-core 1.4 GHz Cortex-A53 ARM
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CPU(second)quad-core 2.0 GHz Cortex-A53
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ChipsetMediatek MT6771V Helio P70Exynos 7570 Quad
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GPUMali-G72 MP3-
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Memory RAM8 GB1.5 GB
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Internal storage128 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max256 GB256 GB
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OS
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OSColorOS 6.1 (Android 9.0 Pie)Android 7.0 (Nougat)
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Main camera
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Camera typeQuad-
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Main camera48 MP, f/1.8 , 26 mm, 1/2.0" , 0.8 µm5 MP
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8 MP, f/2.2 , 13 mm, 1/4.0" , 1.12 µm
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2 MP, f/2.4 , 1/5" , 1.75 µm
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2 MP, f/2.4 , 1/5" , 1.75 µm
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Primary camera resolution8000 x 6000 pixels-
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Primary camera video2160p@30fps1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, phase detection autofocusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera16 MP, f/2 , 26 mm, 1/3.1" , 1.0 µm2 MP
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Selfie camera resolution4608 x 3456 pixels-
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Selfie camera video1080p@30fps-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Notifications-Vibration; MP3, WAV ringtones
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EarpieceYes-
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Multimedia
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RadioFM Radio-
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Radio FM-FM radio with RDS
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Radio recording-recording
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi displayYes-
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WLAN WiFi Dual BandYes-
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USBType-C 1.0 reversible connectormicroUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v4.2
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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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BeidouYes-
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Mail-Push Mail
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Java-No
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximity, lightAccelerometer, gyro, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity4025 mAh2600 mAh
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Battery removableNon-removableRemovable
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Fast battery chargingVOOC Flash Charge 4.0 (50% in 30 min)-
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Talk time 3G-23 h
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Standby time 3G-408 h
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Cost
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Price290 USD-
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