Oppo F7 Youth vs vivo X21i
Oppo F7 Youth
vivo X21i
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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 800, 850, 900, 1700(AWS), 1900, 2100 - Taiwan; HSDPA 850, 900, 2100 - Asia PacificHSDPA 850, 900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Taiwan; LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500) - Asia PacificLTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 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 speed-LTE
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LTE-A speedLTE-A, (2CA) Cat13, 600 Mbps download, 100 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-52018-5
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Status2018-62018-5
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Design
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BuildMetalAluminium alloy, glass
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height156.5 mm154.4 mm
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Width75.2 mm75 mm
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Thickness7.8 mm7 mm
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Weight155 g159 g
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ColorsDiamond Black, Solar RedAurora White, Black, Ruby Red
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Display
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Display typeLTPS IPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size6.0 inches6.28 inches
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Resolution1080 x 2160 pixels1080 x 2280 pixels
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Pixel density402 ppi402 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen, LTPS(Low Temperature PolySilicon)-
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MultitouchYesYes
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2 GHz Cortex-A73Quad-core 2 GHz Cortex-A73
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CPU(second)quad-core 2 GHz Cortex-A53quad-core 2 GHz Cortex-A53
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ChipsetMediatek MT6771 Helio P60Mediatek MT6771 Helio P60
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GPUMali-G72 MP3Mali-G72 MP3
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Memory RAM4 GB4, 6 GB
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Internal storage64 GB64, 128 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 8.1 (Oreo)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/2.212 MP, f/1.8 , 1/2.5" , 1.4 µm
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5 MP, f/2.4
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Primary camera resolution4160 x 3120 pixels4032 x 3024 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusphase detection autofocusdual pixel phase 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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Selfie camera8 MP, f/2.224 MP
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Selfie camera resolution3264 x 2448 pixels5632 x 4224 pixels
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Selfie camera video1080p@30fps1080p@30fps
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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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EarpieceYesYes
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 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 Band-Yes
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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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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 Push EmailPush EmailPush Email
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SensorsAccelerometer, compass, proximityFingerprint (rear-mounted), accelerometer, compass, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3410 mAh3425 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingVOOCYes
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