vivo Y51a vs Samsung Galaxy A31

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          General Info

          Manufacturer
          vivo Samsung
          Announced
          January 2021 2020, March 24
          Status
          Coming Soon - January 2021 Coming Soon - April 2020
          Colors
          Titanium Sapphire, Crystal Symphony Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
          Form Factor
          Candybar Candybar
          Dimension
          163.9 x 75.3 x 8.4 mm
          (6.45 x 2.96 x 0.33 in)
          159.3 x 73.1 x 8.6 mm
          (6.27 x 2.88 x 0.34 in)
          Weight
          188 g (6.63 oz) 185 g (6.53 oz)
          SIM Type
          Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
          2G Network
          GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
          3G Network
          HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
          4G Network
          1, 3, 5, 8, 40 LTE (unspecified)
          Messaging
          Build Features
          - Fingerprint Sensor (side-mounted)
          - Fingerprint Sensor (under display, optical)

          Hardware and OS

          OS
          Android 11 Android 10.0
          User Interface
          Funtouch 11 One UI 2.0
          Processor
          Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) [Similar] Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm) [Similar]
          GPU
          Adreno 610 [Similar] Mali-G52 MC2 [Similar]
          RAM
          8 GB [Browse Similar] 6 GB [Browse Similar]
          Internal Memory
          128 GB 128 GB
          External Memory
          microSDXC (dedicated slot) microSDXC

          Display

          Type
          IPS LCD Screen Super AMOLED Capacitive Touchscreen
          Colors
          16M Colour 16M colors
          Size
          6.58 inches [Similar] 6.4 inches [Similar]
          Resolution
          1080 x 2408 pixels (401 ppi) 1080 x 2400 pixels (411 ppi)
          Screen-to-Body Ratio
          84.54% 85.01%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          48 MP + 8 MP + 2 MP [Similar] 48 MP + 8 MP + 5 MP + 5 MP [Similar]
          Flash
          LED Flash LED flash
          Features
          48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF
          8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm
          2 MP, f/2.4, (macro)
          HDR, Panorama
          48 MP, f/2.0, (wide), 1/2.0", 0.8µm, PDAF
          8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
          5 MP, f/2.4, (macro)
          5 MP, f/2.4, (depth)
          panorama, HDR
          Video
          4K@30fps, 1080p@30fps, gyro-EIS 1080p@30fps
          Front Camera
          16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
          HDR
          1080p@30fps [Similar]
          20 MP, f/2.2, 0.8µm
          HDR
          1080p@30fps [Similar]

          Multimedia

          3.5mm Jack
          3.5 mm jack yes 3.5 mm jack yes
          Radio
          FM radio -
          Games
          Yes + Downloadable Yes + Downloadable
          Loud Speaker
          loudspeaker yes loudspeaker yes

          Connectivity and Data Rate

          GPRS
          Yes Yes
          Edge
          Yes Yes
          3G
          HSPA 42.2/5.76 Mbps, LTE-A HSPA, LTE-A
          Bluetooth
          5.0, A2DP, LE 5.0, A2DP, LE
          Wi-Fi
          Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
          USB
          USB Type-C 2.0, USB On-The-Go 2.0, Type-C 1.0 reversible connector, USB On-The-Go
          GPS
          Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
          Browser
          Yes Yes

          User Memory

          Internal
          128 GB, 8 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)
          Expandable Storage
          microSDXC (dedicated slot) microSDXC
          USB OTG
          Supported Supported

          Sensors

          Fingerprint
          fingerprint supported fingerprint supported
          Proximity Sensor
          proximity sensor present proximity sensor present
          Accelerometer Sensor
          accelerometer sensor present accelerometer sensor present
          Magnetic-field Sensor (Compass)
          magnetic field sensor present magnetic field sensor present
          Gyroscope Sensor
          gyroscope sensor present gyroscope sensor present
          NFC
          NFC not supported NFC not supported

          Battery

          Type
          Non-removable Li-Po Battery
          Fast battery charging 18W
          Non-removable Li-Po Battery
          Fast battery charging 15W
          Capacity
          5000 mAh 5000 mAh
          Stand by
          - -
          Talk Time
          - -

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