Elephone A4 Pro vs Oppo A91
Elephone A4 Pro
Oppo A91
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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, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800); LTE-TDD 2300, 2500, 2600 MHzLTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed-42.2 Mbps
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HSUPA speed-11.5 Mbps
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LTE speedLTE, Cat6, 301 Mbps download, 51 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-32019-12
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Status2018-32019-12
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Design
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BuildMetal, plasticAluminium alloy, glass
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SIMDual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height150.4 mm160.2 mm
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Width72.8 mm73.3 mm
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Thickness8 mm7.9 mm
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Weight-172 g
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ColorsBlackDark blue, Blue, Red
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Display
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Display typeIPSAMOLED capacitive touchscreen
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Physical size5.85 inches6.4 inches
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Resolution720 x 1512 pixels1080 x 2400 pixels
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Pixel density286 ppi411 ppi
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Display colors1677721616777216
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Protection-Scratch resistant
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MultitouchYesYes
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.0 GHz Cortex-A53Quad-core 2.1 GHz Cortex-A73
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CPU(second)quad-core 1.5 GHz Cortex-A53quad-core 2.0 GHz Cortex-A53
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ChipsetMediaTek Helio P23 (MT6763V)Mediatek MT6771V Helio P70
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GPUMali-G71 MP2Mali-G72 MP3
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Memory RAM4 GB8 GB
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Internal storage64 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB256 GB
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OS
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OSAndroid 8.1 OreoColorOS 6.1 (Android 9.0 Pie)
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Main camera
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Camera type-Quad
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Main camera13 MP48 MP, f/1.8 , 26 mm, 1/2.0" , 0.8 µm
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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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Interpolated resolution16 MP-
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Primary camera resolution4160 x 3120 pixels8000 x 6000 pixels
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Primary camera video1080p@30fps2160p@30fps
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Primary camera flashdual-LED flashLED 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, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, phase detection autofocus
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Selfie camera
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Selfie camera8 MP16 MP, f/2 , 26 mm, 1/3.1" , 1.0 µm
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Selfie camera resolution3264 x 2448 pixels4608 x 3456 pixels
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Selfie camera video720@30fps MP1080p@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 FMFM radio-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHzWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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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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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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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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Beidou-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, 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-PoLi-Po
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Battery capacity3000 mAh4025 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesVOOC Flash Charge 4.0 (50% in 30 min)
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Cost
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Price-290 USD
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