vivo Y91i vs Xiaomi MI-2a

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    MI-2a: 30.5 g lighter

    Y91i:
    163.5 g
    MI-2a:
    133 g
  • Width

    MI-2a: 8.6 mm narrower

    Y91i:
    75.1 mm
    MI-2a:
    66.5 mm
  • Screen diagonal

    MI-2a: 1.72 in smaller diagonal

    Y91i:
    6.22 in
    MI-2a:
    4.5 in
  • Memory variants

    At 16 GB storage

    Y91i:
    2 GB RAM
    MI-2a:
    1 GB RAM
  • Depth

    Y91i: 1.2 mm thinner

    Y91i:
    8.3 mm
    MI-2a:
    9.5 mm
  • Height

    MI-2a: 22.1 mm shorter

    Y91i:
    155.1 mm
    MI-2a:
    133 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. Y91i

    Height:
    155.1 mm +22.1 mm versus MI-2a
    Width:
    75.1 mm +8.6 mm versus MI-2a
    Depth:
    8.3 mm
  2. 2. MI-2a

    Height:
    133 mm
    Width:
    66.5 mm
    Depth:
    9.5 mm +1.2 mm versus Y91i

Weight

Bars start at zero and share a scale within this chart.

  1. 1. Y91i

    163.5 g

    +30.5 g versus MI-2a

  2. 2. MI-2a

    133 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. Y91i

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²
  2. 2. MI-2a

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²

Y91i has approximately 73% more rectangular screen area than MI-2a.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Y91i, MI-2a, compared at the same storage capacity.
StorageY91iMI-2a
16 GB Recorded for all phones 2 GB RAM 1 GB RAM
32 GB 2 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Y91i

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. MI-2a

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. Y91i

    4030 mAh

    +2000 mAh versus MI-2a

  2. 2. MI-2a

    2030 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Y91i2. MI-2a

Everyday essentials
Everyday essentials — specifications for Y91i, MI-2a.
SpecificationY91iMI-2a
Dimensions (HxWxD)
  • 155.1 Х 75.1 Х 8.3 mm
  • 133 Х 66.5 Х 9.5 mm
Weight
  • 163.5 g
  • 133 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.22" inch
  • 4.5" inch
Screen resolution
  • 720 x 1520 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32 GB
  • 2 GB RAM
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4030 mAh
  • Non-removable Li-Po
  • 2030 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); Funtouch 4.5
  • Android 4.1 (Jelly Bean)
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Xiaolong S4 Pro
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Y91i, MI-2a.
SpecificationY91iMI-2a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 96.6 cm2
  • 55.8 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.9%
  • 63.1%
PPI /points per inch/
  • 270 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for Y91i, MI-2a.
SpecificationY91iMI-2a
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • PDAF
  • 8 MP
  • AF
  • f/2.0
Functions
  • LED flash
  • panorama
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • f/1.8
  • 2 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Y91i, MI-2a.
SpecificationY91iMI-2a
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Dual-core 1.7 GHz
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 320
Antutu 7 score *
  • 76203
  • 21326
GeekBench 4 Single Core * Unknown
  • 742
GeekBench 4 Multi-Core * Unknown
  • 1151
GeekBench 4 RenderScript * Unknown
  • 1277
General specs
General specs — specifications for Y91i, MI-2a.
SpecificationY91iMI-2a
Release date
  • 2019
  • March
  • 2013
Colors
  • Fusion Black
  • Sunset Red
  • Ocean Blue
  • Black (front panel)
  • 4 color options (back panel)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Y91i, MI-2a.
SpecificationY91iMI-2a
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Y91i, MI-2a.
SpecificationY91iMI-2a
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Y91i, MI-2a.
SpecificationY91iMI-2a
Dop
  • Sensors Accelerometer
  • proximity - Also known as vivo Y91C
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass