BLU Vivo X vs Samsung Galaxy A51
BLU Vivo X
Samsung Galaxy A51
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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, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 28(700)LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed11.5 Mbps5.76 Mbps
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LTE speed-LTE, Cat12, 603 Mbps download, 102 Mbps upload
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LTE-A speedLTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-22019-12
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Status2018-22019-12
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Design
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BuildAluminium alloy, plasticFront glass, plastic body
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SIMHybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height160 mm158.5 mm
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Width76.8 mm73.6 mm
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Thickness8.2 mm7.9 mm
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Weight188 g172 g
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ColorsBlackBlack, Blue, Pink, White
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size6.0 inches6.5 inches
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Resolution720 x 1440 pixels1080 x 2400 pixels
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Pixel density268 ppi405 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 3Scratch resistant, Corning Gorilla Glass 3
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MultitouchYesYes
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.6 GHz Cortex-A53Quad-core 2.3 GHz Cortex-A73
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CPU(second)quad-core 1.6 GHz Cortex-A53quad-core 1.7 GHz Cortex-A53
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ChipsetMediatek MT6757 Helio P20Exynos 9611
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GPUMali-T880MP2Mali-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, microSDHC, microSDXC
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Memory card max64 GB1 TB
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OS
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OSAndroid 7.0 (Nougat)One UI 2 (Android 10.0)
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Main camera
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Camera typeDualQuad
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Main camera13 MP, 1/3" , 1.12 µm48 MP, 1/2" , 0.8 µm, f/2.0 , 26 mm
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5 MP, 1/5" , 1.12 µm12 MP, 1.12 µm, f/2.2 , 13 mm
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5 MP, f/2.4 , 40 mm
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5 MP, f/2.2 , 1/5.0" , 1.12 µm
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Primary camera resolution4160 x 3120 pixels8000 x 6000 pixels
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Primary camera video1080p@30fps2160p@30fps, 1080p@30/60/120fps
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Primary camera Autofocusphase detection autofocus-
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, touch focusAutofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
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Selfie camera
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FlashLED flash-
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Selfie camera typeDual-
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Selfie camera20 MP, 1/2.78" , 1.0 µm32 MP, 1/2.8" , 0.8 µm, f/2.2 , 26 mm
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8 MP
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Selfie camera resolution5384 x 3752 pixels6560 x 4928 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 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 802.11a, 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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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-Go-Yes
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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFC-Yes
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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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Beidou-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 IMIM-
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Messaging Push EmailPush Email-
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityAccelerometer, compass, fingerprint, gyroscope, light, proximity, in-display fingerprint sensor
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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 capacity4010 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesYes
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Talk time 2G48 h-
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Talk time 3G48 h-
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Standby time 2G480 h-
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Standby time 3G480 h-
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Cost
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Price-315 USD
