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Xiaomi Mi A1 vs Vivo Y91

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Last Updated:  Thu, 9 Jan'20

Basic Information

  • User Rating
    8.1
    7.9
  • Spec Score
    7.6
    7.3

General

  • Bluetooth
    4.2, A2DP, LE
    4.2, A2DP, LE

Design

  • Height
    6.12 inches
    6.11 inches
  • Width
    2.98 inches
    2.96 inches
  • Thickness
    0.29 inches
    0.33 inches
  • Weight
    165 g
    163.5 g
  • Color
    Black, Gold, Rose Gold, Red
    Starry Black, Ocean Blue, Red (Y91i only)
  • Build
    Front glass, aluminum frame, back
    Glass front, plastic back, plastic frame

Display

  • Screen Size
    5.5 inches
    6.22 inches
  • Display Type
    LTPS IPS LCD capacitive touchscreen
    IPS LCD capacitive touchscreen
  • Display Resolution
    1080 x 1920 pixels
    720 x 1520 pixels
  • Pixel Density
    403 ppi
    270 ppi
  • Protection
    Corning Gorilla Glass 3
  • Screen to Body Ratio
    70.10%
    82.90%
  • Aspect Ratio
    19:09

Performance

  • OS
    Android 7.1.2 (Nougat), upgradable to Android 9.0 (Pie) Android One
    Android 8.1 (Oreo) Funtouch 4.5
  • GPU
    Adreno 506
    Adreno 505
  • Chipset GP
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
    Qualcomm SDM439 Snapdragon 439 (12 nm)
  • CPU
    Octa-core 2.0 GHz Cortex-A53
    Octa-core (2x1.95 GHz Cortex-A53 6x1.45 GHz Cortex A53)

Memory & Storage

  • RAM/Internal Storage
    64 GB, 4 GB RAM
    32 GB, 3 GB RAM or 16 GB, 2 GB RAM
  • Expandable Memory
    microSD, up to 128 GB (uses shared SIM slot)
    microSD, up to 256 GB

Back Camera

  • Dual Camera
    12 MP, f/2.2, 26mm (wide), 1.25 micron|12 MP, f/2.6, 50mm (telephoto), 1.0 micron, 2x optical zoom
    13 MP, f/2.2|2 MP, f/2.4, depth sensor
  • Autofocus
    PDAF, AF
    PDAF
  • Back Camera Video
    2160p30fps, 1080p30fps, 720p120fps
    1080p30fps
  • Back Camera Features
    Dual-LED dual-tone flash, HDR, panorama
    LED flash, panorama

Front Camera

  • Single Camera
    5 MP
    8 MP, f/1.8
  • Front Camera Video
    1080p30fps

Sound

  • HeadPhone Jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Audio Features
    Active noise cancellation with dedicated mic
    Active noise cancellation with dedicated mic

Battery

  • Battery Capacity
    3080 mAh
    4030 mAh
  • User Replaceable
    Non-removable
    Non-removable
  • Charging
    Fast battery charging 10W
  • Battery Type
    Li-Po
    Li-Po

Communications

  • WLAN
    Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
    Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot
  • GPS
    Yes, with A-GPS, GLONASS, BDS
    Yes, with A-GPS, GLONASS, BDS
  • Radio
    FM radio
    FM radio
  • USB
    2.0, Type-C 1.0 reversible connector
    microUSB 2.0, USB On-The-Go
  • SIM
    Hybrid Dual SIM (Nano-SIM, dual stand-by)
    Dual SIM (Nano-SIM, dual stand-by)
  • Network Support
    GSM / HSPA / LTE
    GSM / HSPA / LTE

Miscellaneous Features

  • Sensors
    Fingerprint (rear-mounted), accelerometer, gyro, proximity
    Fingerprint (rear-mounted), accelerometer, proximity, compass

Launch

  • Announced On
    2017, September
    2018, November
  • Status
    Available. Released 2017, September
    Available. Released 2018, November

Best Price

  • Flipkartbest price
    14999Buy
    -NA-
    -NA-
  • Amazonbest price
    10999Buy
    9990Buy
    -NA-

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