Samsung Galaxy J7 Max vs Oppo R15 Dream Mirror Edition
Samsung Galaxy J7 Max
Oppo R15 Dream Mirror Edition
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 8(900), 20(800), 40(2300)LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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HSPA speed-HSPA
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-62018-3
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Status2017-62018
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Design
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Build-Front glass, ceramic body
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height156.7 mm155.3 mm
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Width78.8 mm75 mm
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Thickness8.1 mm7.5 mm
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Weight179 g175 g
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ColorsBlack, GoldCeramic Black, Dream Mirror Red
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Display
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Display typePLS capacitive touchscreenAMOLED capacitive touchscreen
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Physical size5.7 inches6.28 inches
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Resolution1080 x 1920 pixels1080 x 2280 pixels
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Pixel density386 ppi401 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 5
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUOcta-core 2.4 GHz ARM Cortex-A53Quad-core 2.2 GHz Kryo 260
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CPU(second)quad-core 1.8 GHz Kryo 260
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ChipsetMediatek MT6757 Helio P20Qualcomm SDM660 Snapdragon 660
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GPUMali-T880MP2Adreno 512
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Memory RAM4 GB6 GB
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Internal storage32 GB128 GB
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Memory cardmicroSDmicroSD(uses second SIM slot)
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Memory card max256 GB256 GB
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OS
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OSAndroid 7.0 (Nougat)Android 8.1 (Oreo)
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Main camera
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Camera type-Dual
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Main camera13 MP, f/1.716 MP, f/1.7 , 1/2.6" , 1.22 µm
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20 MP, f/1.7 , 1/2.8" , 1 µm
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Primary camera resolution-4608 x 3456 pixels
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Primary camera video1080p@30fps2160p@30fps
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Primary camera Autofocusautofocusphase detection autofocus
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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FlashLED flash-
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Selfie camera13 MP, f/1.920 MP, f/2.0
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Selfie camera resolution-5184 x 3880 pixels
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Selfie camera video-1080p
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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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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, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYesYes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDR-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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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 IMIM-
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Messaging Push Email-Push Email
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Messaging Push MailPush Mail-
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JavaNo-
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SensorsFingerprint (front-mounted), accelerometer, compass, gyro, proximityFingerprint (rear-mounted), accelerometer, compass, gyro, proximity
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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 mAh3400 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-VOOC Flash Charge
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Talk time 3G20 h-
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