Oppo K3 vs Samsung Galaxy J4 Core
Oppo K3
Samsung Galaxy J4 Core
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Network
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2G networkGSM 850, 900, 1800, 1900, CDMA 800GSM 850, 900, 1800, 1900
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3G networkHSDPA 800, 850, 900, 1700/2100, 1900, 2100, TD-SCDMA 1880-1920, 2010-2025HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 12(700), 17(700), 18(800), 19(800), 26(850), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800)
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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EV-DO speed3.1 Mbps download, 1.8 Mbps upload-
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LTE speedLTE Cat 15, 798.0 Mbps download, 226.0 Mbps uploadLTE, 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 announced2019-52018-11
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Status2019-52018-11
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Design
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BuildPlasticPlastic
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SIMDual SIM (Nano-SIM, dual SIM stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height161.2 mm160.6 mm
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Width76 mm76.1 mm
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Thickness9.4 mm7.9 mm
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Weight191 g177 g
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ColorsGreen, White, PurpleBlack, Blue, Gold
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.5 inches6 inches
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Resolution1080 x 2340 pixels720 x 1480 pixels
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Pixel density396 ppi274 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 52.5D curved glass screen
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MultitouchYesYes
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Hardware
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CPUOcta-core-
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CPUDual-core 2.2 GHz Kryo 360Quad-core 1.4 GHz Cortex-A53
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CPU(second)Hexa-core 1.7 GHz Kryo 360
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ChipsetQualcomm Snapdragon 710Qualcomm MSM8917 Snapdragon 425
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GPUAdreno 616Adreno 308
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Memory RAM6, 8 GB1 GB
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Internal storage64, 128 GB16 GB
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Memory cardNo-
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StorageUFS 2.1-
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OS
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OSColorOS 6 (Android 9.0 Pie)Android 8.1 Oreo Go Edition
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Main camera
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Camera typeDual-
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Main camera16 MP, f/1.7 , 1/2.5" , 1.12 µm8 MP, f/2.2
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2 MP, f/2.4
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Primary camera resolution4608 x 3456 pixels3264 x 2448 pixels
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Primary camera video2160@30fps, 1080@120fps, 720@240fps1080p@30fps
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Primary camera flashdual LED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection, contrast autofocusAutofocus, continuous shooting, digital zoom, 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 camera16 MP, f/25 MP, f/2.2
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Selfie camera resolution4608 x 3456 pixels2560 x 1920 pixels
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Selfie camera video1080p@30fps720p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio, 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 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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Bluetooth EDRYes-
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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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BeidouYesYes
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Features
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SensorsAccelerometer, compass, proximity, light, gyroscope, in-display fingerprint sensorAccelerometer, light, 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 capacity3765 mAh3300 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingVOOC 3.0-
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