Oppo A1 2018 vs vivo Y51 2020
Oppo A1 2018
vivo Y51 2020
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 2100
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4G networkLTELTE frequency band 1, 3, 5, 8, 40
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTELTE-A, 630 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-32020-09
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Status2018-42020-09
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Design
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BuildMetal-
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height150.5 mm159.3 mm
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Width73.1 mm75.2 mm
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Thickness7.7 mm8.7 mm
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Weight143 g186.7 g
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ColorsBlue, Red, WhiteBlack, Blue, White
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Display
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Display typeS-IPS LCD capacitive touchscreenSuper AMOLED
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Physical size5.7 inches6.38 inches
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Resolution720 x 1440 pixels1080 x 2340 pixels
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Pixel density282 ppi404 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen-
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MultitouchYes-
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Hardware
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CPU-Octa-core
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CPUQuad-core 2.0 GHz Kryo 260 Gold
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CPU(second)quad-core 1.8 GHz Kryo 260 Silver
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Chipset-Qualcomm SDM665 Snapdragon 665
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GPU-Adreno 610
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Memory RAM4 GB4 GB
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Internal storage64 GB128 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max128 GB-
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OS
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OSAndroid 7.1 (Nougat)Android 10, Funtouch 10
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Main camera
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Camera type-Quad
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Main camera13 MP, f/2.2 , 1/3" , 1.12 µm48 MP, f/1.8 , 1/2.0" , 0.8 µm, (wide)
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(ultrawide) , 2 MP, f/2.2 , 1/4.0" , 1.12 µm
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(macro) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution4160 x 3120 pixels-
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Primary camera video1080p@30fps1080p@30fps, gyro-EIS
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Primary camera Autofocusautofocus-
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Primary camera flash-LED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusHDR, Panorama
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Selfie camera
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Selfie camera type-Single
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Selfie camera8 MP16 MP, (wide) , f/2.0 , 1/3.06" , 1.0 µm
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Selfie camera resolution3264 x 2448 pixels-
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Selfie camera features-HDR
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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 ringtones-
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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 802.11b, 802.11g, 802.11nWi-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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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 2.0
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USB On-The-Go-Yes
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFC-No
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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BDS-Yes
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging Push EmailPush Email-
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SensorsAccelerometer, proximityAccelerometer, compass, fingerprint, gyroscope, 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 capacity3180 mAh4500 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingVOOCQuick Charge
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Cost
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Price-210 USD
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