Oppo Find X vs Xiaomi Redmi 4
Oppo Find X
Xiaomi Redmi 4
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMA
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 8(900), 28(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)LTE frequency band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
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HSPA speed-HSPA
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LTE speedLTE, Cat18, 1.2 Gbps download, 221 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-62016-11
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Status2018-72016-11
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Design
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BuildMetal, glass-
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM
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Height156.7 mm141.3 mm
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Width74.2 mm69.6 mm
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Thickness9.6 mm8.9 mm
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Weight186 g156 g
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ColorsBlue, Red, WhiteDark Gray, Gold, Silver
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Display
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Display typeAMOLEDIPS LCD capacitive touchscreen
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Physical size6.4 inches5.0 inches
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Resolution1080 x 2340 pixels720 x 1280 pixels
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Pixel density403 ppi296 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 3D curved glass screen, Corning Gorilla Glass 5-
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MultitouchYesYes
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.8 GHz Kryo 385 GoldOcta-core 1.4 GHz Cortex-A53 ARM
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CPU(second)quad-core 1.8 GHz Kryo 385 Silver
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ChipsetQualcomm Snapdragon 845Qualcomm MSM8937 Snapdragon 430
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GPUQualcomm Adreno 630Adreno 505
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Memory RAM8 GB2 GB
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Internal storage128, 256 GB16 GB
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Memory card-microSD(uses second SIM slot)
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Memory card max-256 GB
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OS
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OSAndroid 8.1 OreoAndroid OS, v6.0.1 (Marshmallow)
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Main camera
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Camera typeDual-
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Main camera16 MP, f/2.0 , 1.12 µm13 MP, f/2.2
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20 MP, f/2.2
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Primary camera resolution4656 x 3496 pixels-
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Primary camera video2160p@30fps1080p@30fps
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Primary camera Autofocus-phase detection autofocus
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Primary camera flashdual-LED flashLED flash
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Primary camera phase detection autofocusphase detection autofocus-
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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-modeGeo-tagging, HDR, face/smile detection, panorama, touch focus
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Selfie camera
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Selfie camera25 MP, f/2.05 MP, f/2.2
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Selfie camera resolution5760 x 4312 pixels-
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Selfie camera video1080p@30fps1080p
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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Notifications-Vibration; MP3, WAV ringtones
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EarpieceYes-
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Headphone adapterYes-
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Multimedia
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RadioNo-
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Radio FM-FM radio
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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 802.11a, 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 reversible connectormicroUSB 2.0
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USB On-The-GoYes-
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Bluetoothv5.0v4.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDRYes-
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Infrared-Yes
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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BeidouYes-
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BDS-Yes
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Mail-Push Mail
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Java-No
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SensorsAccelerometer, compass, gyroscope, infrared face recognition sensor, light, proximityFingerprint, 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-PoLi-Ion
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Battery capacity3730 mAh4100 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingVOOC Flash ChargeYes
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