Samsung Galaxy J4 Core vs UMIDIGI A7
Samsung Galaxy J4 Core
UMIDIGI A7
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700, 1900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800)LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE Cat 4, 301 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2018-112020-08
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Oficially announced2018-112020-08
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Design
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BuildPlasticMetal, plastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual SIM stand-by)
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Height160.6 mm163.7 mm
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Width76.1 mm77.6 mm
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Thickness7.9 mm8.7 mm
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Weight177 g228 g
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ColorsBlack, Blue, GoldGreen, Grey
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Display
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Display typeIPS LCD capacitive touchscreenIPS capacitive touchscreen
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Physical size6 inches6.49 inches
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Resolution720 x 1480 pixels720 x 1560 pixels
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Pixel density274 ppi265 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen2.5D curved glass screen, Scratch resistant
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MultitouchYes-
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.4 GHz Cortex-A53Quad-core 2.3 GHz Cortex-A53
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CPU(second)quad-core 1.6 GHz Cortex-A53
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ChipsetQualcomm MSM8917 Snapdragon 425MediaTek Helio P20 (MT6757)
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GPUAdreno 308Mali-T880 MP2
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Memory RAM1 GB4 GB
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Internal storage16 GB64 GB
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Memory card-microSD, microSDHC, microSDXC
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Memory card max-256 GB
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Storage-eMMC 5.1
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OS
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OSAndroid 8.1 Oreo Go EditionAndroid 10
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Main camera
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Camera type-Quad
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Main camera8 MP, f/2.216 MP, f/1.8 , 0.26" , 1.132 µm
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8 MP, 1/4" , 1.12 µm
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5 MP
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5 MP
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Primary camera resolution3264 x 2448 pixels4608 x 3456 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashLED flashdual LED flash
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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, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
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Selfie camera
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Selfie camera5 MP, f/2.213 MP, f/2.0 , 0.23" , 1.029 µm
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Selfie camera resolution2560 x 1920 pixels4608 x 3456 pixels
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Selfie camera video720p@30fps1080p@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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Radio-FM Radio
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Radio FMStereo FM radio, recording-
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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
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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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Bluetoothv4.2v4.2
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Bluetooth A2DPYesYes
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bluetooth HID-Yes
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bluetooth LEYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEO-Yes
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BeidouYes-
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Features
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SensorsAccelerometer, light, proximityAccelerometer, compass, fingerprint, gyroscope, proximity, light
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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 capacity3300 mAh4150 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Cost
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Price-100 USD
