Xiaomi Mi A2 vs vivo Y51 IN
Xiaomi Mi A2
vivo Y51 IN
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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, 900, 1900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - ChinaLTE frequency band 1, 3, 5, 8, 40
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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HSPA speedHSPA-
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EV-DO speed-EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTELTE-A, 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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Status20182020-12
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Oficially announced2018-42020-12
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Design
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BuildFront glass, aluminum body-
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height158.7 mm163.9 mm
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Width75.4 mm75.3 mm
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Thickness7.3 mm8.4 mm
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Weight168 g188 g
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ColorsBlack, Cherry Pink, Flame Red, Glacier Blue, Sand GoldCrystal Symphony, Titanium Sapphire
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Display
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Display typeLTPS IPS LCD capacitive touchscreenIPS LCD
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Physical size5.99 inches6.58 inches
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Resolution1080 x 2160 pixels1080 x 2408 pixels
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Pixel density403 ppi415 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 3-
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MultitouchYes-
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.2 GHz Kryo 260Quad-core 2.0 GHz Kryo 260 Gold
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CPU(second)quad-core 1.8 GHz Kryo 260quad-core 1.8 GHz Kryo 260 Silver
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ChipsetQualcomm SDM660 Snapdragon 660Qualcomm SDM665 Snapdragon 665
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GPUAdreno 512Adreno 610
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Memory RAM4, 6 GB8 GB
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Internal storage64, 128 GB128 GB
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Memory cardmicroSD(uses second SIM slot)microSD, microSDHC, microSDXC
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Memory card max256 GB1 TB
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OS
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OSAndroid 8.1 (Oreo); Android OneAndroid 11, Funtouch 11
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Main camera
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Camera typeDualTriple
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Main camera12 MP, f/1.8 , 1/2.9" , 1.25 µm, 2x optical zoom48 MP, f/1.8 , 1/2.0" , 0.8 µm, (wide)
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20 MP, f/1.8 , 1/2.8" , 1 µm8 MP, f/2.2 , 1/4.0" , 1.12 µm, (ultrawide) , 120˚
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(macro) , 2 MP, f/2.4
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Primary camera resolution4000 x 3000 pixels8000 x 6000 pixels
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Primary camera video2160p@30fps, 1080p@30fps, 720p@120fps4K@30fps, 1080p@30fps, gyro-EIS
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Primary camera Autofocusphase detection autofocus-
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Primary camera flashLED flashLED flash
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Electronic image stabilizationEIS (gyro)-
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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 camera20 MP, f/1.8 , 1/2.8" , 1.0 µm16 MP, f/2.0 , 1/3.06" , 1.0 µm, (wide)
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Selfie camera resolution5384 x 3752 pixels4640 x 3456 pixels
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Secondary camera HDRAuto HDR-
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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 jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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Earpiece-Yes
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Headphone adapterYes-
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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, 802.11acWi-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 BandYesYes
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USBType-C 1.0 reversible connectorType-C 2.0
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USB On-The-Go-Yes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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InfraredYes-
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NFC-No
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEO-Yes
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BDSYesYes
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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 IMIM-
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Messaging Push EmailPush Email-
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, 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 capacity3010 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQualcomm Quick Charge 3.0Quick Charge (70% in 67 min)
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Tests and performance
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Antutu-165000 (v8)
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Cost
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Price-250 USD
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