Oppo A31 (2015) vs Samsung Galaxy J3 (2017)
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Oppo A31 (2015)
Samsung Galaxy J3 (2017)
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkTD-SCDMA 1880, 2010HSDPA 850, 900, 1900, 2100; HSDPA 850, 1700(AWS), 1900 - AT&T
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4G network-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 speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 50 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 announced2015-42017-5
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Status20152017-5
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Design
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SIMDual SIM (Nano-SIM/ Micro-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height131.9 mm141 mm
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Width65.5 mm70.1 mm
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Thickness8 mm8.6 mm
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Weight135 g148 g
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ColorsBlue, WhiteBlack, Gold, White
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Display
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Display typeIPS LCD capacitive touchscreenCapacitive touchscreen
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Physical size4.5 inches5.0 inches
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Resolution480 x 854 pixels720 x 1280 pixels
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Pixel density218 ppi294 ppi
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Display colors1677721616777216
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Multitouch-Yes
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Hardware
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CPUQuad-core ARM Cortex-A53Quad-core ARM Cortex-A53 1.4 GHz
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ChipsetQualcomm MSM8916 Snapdragon 410Exynos 7570 Quad
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GPUAdreno 306-
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Memory RAM1 GB1.5 GB
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Internal storage8 GB16 GB
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Memory cardmicroSDmicroSD
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Memory card max128 GB256 GB
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OS
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OSAndroid OS, v4.4 (KitKat)Android 7.0 (Nougat)
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Main camera
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Main camera8 MP5 MP
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Primary camera resolution3264 x 2448 pixels-
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Camera featuresGeo-taggingGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera5 MP2 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Connectivity
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WLANWi-FiWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.0v4.2
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push EmailPush Email-
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Messaging Push Mail-Push Mail
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JavaNoNo
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SensorsAccelerometer, proximityAccelerometer, gyro, proximity
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2000 mAh2600 mAh
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Battery removable-Removable
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Talk time7 h-
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Talk time 3G-23 h
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Standby time240 h-
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Standby time 3G-408 h
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Multimedia
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Radio FM-FM radio with RDS
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Radio recording-recording
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