Xiaomi MI-2a vs Xiaomi Redmi 8A Dual

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: 55 g lighter

    MI-2a:
    133 g
    Redmi 8A Dual:
    188 g
  • Width

    MI-2a: 8.9 mm narrower

    MI-2a:
    66.5 mm
    Redmi 8A Dual:
    75.4 mm
  • Screen diagonal

    MI-2a: 1.72 in smaller diagonal

    MI-2a:
    4.5 in
    Redmi 8A Dual:
    6.22 in
  • Rear camera layout

    MI-2a:
    Single
    Redmi 8A Dual:
    Dual
  • Height

    MI-2a: 23.5 mm shorter

    MI-2a:
    133 mm
    Redmi 8A Dual:
    156.5 mm
  • Release year

    MI-2a:
    2013
    Redmi 8A Dual:
    2020

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
  2. 2. Redmi 8A Dual

    Height:
    156.5 mm +23.5 mm versus MI-2a
    Width:
    75.4 mm +8.9 mm versus MI-2a
    Depth:
    9.4 mm

Weight

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

  1. 1. MI-2a

    133 g

  2. 2. Redmi 8A Dual

    188 g

    +55 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. Redmi 8A Dual

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²

Redmi 8A Dual 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 MI-2a, Redmi 8A Dual, compared at the same storage capacity.
StorageMI-2aRedmi 8A Dual
16 GB 1 GB RAM Not recorded
32 GB Not recorded 2 / 3 GB RAM Alternative RAM configurations

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. Redmi 8A Dual

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated 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. Redmi 8A Dual

    5000 mAh

    +2970 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. Redmi 8A Dual

Everyday essentials
Everyday essentials — specifications for MI-2a, Redmi 8A Dual.
SpecificationMI-2aRedmi 8A Dual
Dimensions (HxWxD)
  • 133 Х 66.5 Х 9.5 mm
  • 156.5 Х 75.4 Х 9.4 mm
Weight
  • 133 g
  • 188 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 6.22" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 32GB 2GB RAM
  • 32GB 3GB RAM
Memory card support
  • No
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2030 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.1 (Jelly Bean)
  • Android 9.0 (Pie); MIUI 11
Chipset
  • Xiaolong S4 Pro
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for MI-2a, Redmi 8A Dual.
SpecificationMI-2aRedmi 8A Dual
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 96.6 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 63.1%
  • 81.8%
PPI /points per inch/
  • 326 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for MI-2a, Redmi 8A Dual.
SpecificationMI-2aRedmi 8A Dual
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 8 MP
  • AF
  • f/2.0
  • 13 MP
  • f/2.2
  • (wide)
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • LED flash
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 2 MP
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
Performance

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

Performance — specifications for MI-2a, Redmi 8A Dual.
SpecificationMI-2aRedmi 8A Dual
Processor CPU
  • Dual-core 1.7 GHz
  • Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
Graphics processor GPU
  • Adreno 320
  • Adreno 505
Antutu 7 score *
  • 21326
Unknown
GeekBench 4 Single Core *
  • 742
  • 864
GeekBench 4 Multi-Core *
  • 1151
  • 3669
GeekBench 4 RenderScript *
  • 1277
Unknown
Antutu 8 score * Unknown
  • 95326
General specs
General specs — specifications for MI-2a, Redmi 8A Dual.
SpecificationMI-2aRedmi 8A Dual
Release date
  • 2013
  • 2020
  • February 11
Colors
  • Black (front panel)
  • 4 color options (back panel)
  • Sky White
  • Sea Blue
  • Midnight Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 80 EUR
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for MI-2a, Redmi 8A Dual.
SpecificationMI-2aRedmi 8A Dual
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 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE-A
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 b/g/n
  • 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
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for MI-2a, Redmi 8A Dual.
SpecificationMI-2aRedmi 8A Dual
Radio
  • FM radio
  • FM radio
  • built-in antenna
Others
  • Active noise cancellation with dedicated mic
  • 400 nits typ. brightness
Other features
Other features — specifications for MI-2a, Redmi 8A Dual.
SpecificationMI-2aRedmi 8A Dual
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging 18W -Power bank/Reverse charging - Splash resistant