vivo Y51a vs Vivo Y66

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          General Info

          Manufacturer
          vivo vivo
          Announced
          January 2021 December 2016
          Status
          Coming Soon - January 2021 Available - December 2016
          Price
          - Rs. 14,990 ($216.00) [Similarly Priced]
          Colors
          Titanium Sapphire, Crystal Symphony Gold
          Form Factor
          Candybar Candybar
          Dimension
          163.9 x 75.3 x 8.4 mm
          (6.45 x 2.96 x 0.33 in)
          153.56 x 75.79 x 7.49 mm
          (6.05 x 2.98 x 0.29 in)
          Weight
          188 g (6.63 oz) 157 g (5.54 oz)
          SIM Type
          Dual SIM (Nano-SIM, dual stand-by) Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card)
          2G Network
          GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
          CDMA2000 1xEV-DO
          3G Network
          HSDPA 850 / 900 / 2100 HSDPA 850 / 1900 / 2100
          4G Network
          1, 3, 5, 8, 40 LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
          Messaging
          SMS, MMS, EMail, IM
          Build Features
          - Fingerprint Sensor (side-mounted)
          - Metal Body
          - 2.5D Curved Glass
          Notification LED
          - Yes

          Hardware and OS

          OS
          Android 11 Android OS, v6.0.1 (Marshmallow)
          User Interface
          Funtouch 11 FunTouch OS 3.0
          Processor
          Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) [Similar] Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8937 Snapdragon 430 [Similar]
          GPU
          Adreno 610 [Similar] Adreno 505 [Similar]
          RAM
          8 GB [Browse Similar] 3 GB [Browse Similar]
          Internal Memory
          128 GB 32 GB
          External Memory
          microSDXC (dedicated slot) microSD, up to 128 GB

          Display

          Type
          IPS LCD Screen IPS LCD capacitive touchscreen
          Colors
          16M Colour 16M colors
          Size
          6.58 inches [Similar] 5.5 inches [Similar]
          Resolution
          1080 x 2408 pixels (401 ppi) 720 x 1280 pixels (267 ppi) [Similar]
          Screen-to-Body Ratio
          84.54% 71.66%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          48 MP + 8 MP + 2 MP [Similar] 13 MP, 4160 x 3120 pixels [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
          AutoFocus, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama
          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]
          5 MP [Similar]

          Multimedia

          3.5mm Jack
          3.5 mm jack yes 3.5 mm jack yes
          Radio
          FM 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, EV-DO Rev.A 3.1 Mbps, VoLTE
          Bluetooth
          5.0, A2DP, LE v4.1, A2DP
          Wi-Fi
          Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
          USB
          USB Type-C 2.0, USB On-The-Go microUSB v2.0
          GPS
          Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, BDS
          Browser
          Yes HTML5

          User Memory

          Internal
          128 GB, 8 GB RAM 32 GB, 3 GB RAM
          Expandable Storage
          microSDXC (dedicated slot) microSD, up to 128 GB
          USB OTG
          Supported Supported

          Sensors

          Fingerprint
          fingerprint supported fingerprint not 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
          NFC
          NFC not supported NFC not supported

          Battery

          Type
          Non-removable Li-Po Battery
          Fast battery charging 18W
          Non-removable Li-Ion Battery
          Capacity
          5000 mAh 3000 mAh
          Stand by
          - -
          Talk Time
          - -

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