Oppo A91 vs Samsung Galaxy J4+
Oppo A91
Samsung Galaxy J4+
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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, 1700(AWS), 1900, 2100
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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), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800)
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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 announced2019-122018-9
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Status2019-122018-10
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Design
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BuildAluminium alloy, glassPlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height160.2 mm161.4 mm
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Width73.3 mm76.9 mm
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Thickness7.9 mm7.9 mm
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Weight172 g178 g
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ColorsDark blue, Blue, RedBlack, Gold, Pink
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.4 inches6 inches
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Resolution1080 x 2400 pixels720 x 1480 pixels
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Pixel density411 ppi274 ppi
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Display colors1677721616777216
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ProtectionScratch resistant2.5D curved glass screen
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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
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CPU(second)quad-core 2.0 GHz Cortex-A53
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ChipsetMediatek MT6771V Helio P70Qualcomm MSM8917 Snapdragon 425
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GPUMali-G72 MP3Adreno 308
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Memory RAM8 GB2, 3 GB
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Internal storage128 GB16, 32 GB
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Memory cardmicroSD, microSDHC, microSDXC-
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Memory card max256 GB-
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OS
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OSColorOS 6.1 (Android 9.0 Pie)Android 8.1 Oreo
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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 µm13 MP, f/1.9 , 28 mm
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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 pixels4160 x 3120 pixels
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Primary camera video2160p@30fps1080p@30fps
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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 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/2 , 26 mm, 1/3.1" , 1.0 µm5 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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RadioFM Radio-
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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 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 AVRCP-Yes
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bluetooth HFP-Yes
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bluetooth HID-Yes
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bluetooth OPP-Yes
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bluetooth PAN-Yes
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bluetooth LEYes-
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bluetooth DIP-Yes
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bluetooth MAP-Yes
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bluetooth PBAP-PBAP/PAB
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bluetooth HOGP-Yes
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bluetooth HSP-Yes
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NFC-Yes(optional)
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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BeidouYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximity, lightAccelerometer, 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 capacity4025 mAh3300 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingVOOC Flash Charge 4.0 (50% in 30 min)-
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Cost
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Price290 USD-
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