Xiaomi MI-2a vs Xiaomi Mi A3

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.

  • Display technology

    OLED versus LCD

    MI-2a:
    LCD
    Mi A3:
    OLED
  • Weight

    MI-2a: 40.8 g lighter

    MI-2a:
    133 g
    Mi A3:
    173.8 g
  • Width

    MI-2a: 5.4 mm narrower

    MI-2a:
    66.5 mm
    Mi A3:
    71.9 mm
  • Screen diagonal

    MI-2a: 1.51 in smaller diagonal

    MI-2a:
    4.5 in
    Mi A3:
    6.01 in
  • Rear camera layout

    MI-2a:
    Single
    Mi A3:
    Triple
  • Depth

    Mi A3: 1 mm thinner

    MI-2a:
    9.5 mm
    Mi A3:
    8.5 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. MI-2a

    Height:
    133 mm
    Width:
    66.5 mm
    Depth:
    9.5 mm +1 mm versus Mi A3
  2. 2. Mi A3

    Height:
    153.5 mm +20.5 mm versus MI-2a
    Width:
    71.9 mm +5.4 mm versus MI-2a
    Depth:
    8.5 mm

Weight

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

  1. 1. MI-2a

    133 g

  2. 2. Mi A3

    173.8 g

    +40.8 g versus MI-2a

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. MI-2a

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Mi A3

    Screen diagonal:
    6.01 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    88.7 cm²

Mi A3 has approximately 58.8% 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 MI-2a, Mi A3, compared at the same storage capacity.
StorageMI-2aMi A3
16 GB 1 GB RAM Unknown
Mi A3: Original memory entry

64/128 GB · 512GB 4GB

Practical features

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

1. MI-2a

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

2. Mi A3

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

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. MI-2a

    2030 mAh

  2. 2. Mi A3

    4030 mAh

    +2000 mAh versus MI-2a

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. MI-2a2. Mi A3

Everyday essentials
Everyday essentials — specifications for MI-2a, Mi A3.
SpecificationMI-2aMi A3
Dimensions (HxWxD)
  • 133 Х 66.5 Х 9.5 mm
  • 153.5 Х 71.9 Х 8.5 mm
Weight
  • 133 g
  • 173.8 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 4.5" inch
  • 6.01" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 64/128 GB
  • 512GB 4GB
Memory card support
  • No
  • microSD
  • up to 256 GB (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2030 mAh
  • Removable Li-Ion
  • 4030 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.1 (Jelly Bean)
  • Android 9.0 (Pie); Android One
Chipset
  • Xiaolong S4 Pro
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for MI-2a, Mi A3.
SpecificationMI-2aMi A3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 88.7 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 63.1%
  • 80.3%
PPI /points per inch/
  • 326 PPI
  • 286 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for MI-2a, Mi A3.
SpecificationMI-2aMi A3
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 8 MP
  • AF
  • f/2.0
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • (ultrawide)
  • f/2.2
  • 1.12µm -2 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 32 MP
  • Single
Specifications
  • 2 MP
  • 32 MP
  • f/2.0
  • 0.8µm
Performance

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

Performance — specifications for MI-2a, Mi A3.
SpecificationMI-2aMi A3
Processor CPU
  • Dual-core 1.7 GHz
  • Octa-core (2x2.0 GHz Kryo 260 Gold & 6x1.8 GHz Kryo 260 Silver)
Graphics processor GPU
  • Adreno 320
  • Adreno 610
Antutu 7 score *
  • 21326
  • 142658
GeekBench 4 Single Core *
  • 742
  • 1501
GeekBench 4 Multi-Core *
  • 1151
  • 5662
GeekBench 4 RenderScript *
  • 1277
Unknown
Antutu 8 score * Unknown
  • 177109
GeekBench 5 Single Core * Unknown
  • 312
GeekBench 5 Multi-Core * Unknown
  • 1357
General specs
General specs — specifications for MI-2a, Mi A3.
SpecificationMI-2aMi A3
Release date
  • 2013
  • 2019
  • July
Colors
  • Black (front panel)
  • 4 color options (back panel)
  • Kind of Gray
  • Not just Blue
  • More than White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 250 EUR
Body build Unknown
  • Back glass (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for MI-2a, Mi A3.
SpecificationMI-2aMi A3
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300) - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) 450/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for MI-2a, Mi A3.
SpecificationMI-2aMi A3
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for MI-2a, Mi A3.
SpecificationMI-2aMi A3
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W (Quick Charge 3)