Xiaomi MI-2a vs Xiaomi Mi 9 Explorer

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 9 Explorer:
    OLED
  • Weight

    MI-2a: 40 g lighter

    MI-2a:
    133 g
    Mi 9 Explorer:
    173 g
  • Width

    MI-2a: 8.2 mm narrower

    MI-2a:
    66.5 mm
    Mi 9 Explorer:
    74.7 mm
  • Screen diagonal

    MI-2a: 1.89 in smaller diagonal

    MI-2a:
    4.5 in
    Mi 9 Explorer:
    6.39 in
  • Rear camera layout

    MI-2a:
    Single
    Mi 9 Explorer:
    Triple
  • Depth

    Mi 9 Explorer: 1.9 mm thinner

    MI-2a:
    9.5 mm
    Mi 9 Explorer:
    7.6 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 +1.9 mm versus Mi 9 Explorer
  2. 2. Mi 9 Explorer

    Height:
    157.5 mm +24.5 mm versus MI-2a
    Width:
    74.7 mm +8.2 mm versus MI-2a
    Depth:
    7.6 mm

Weight

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

  1. 1. MI-2a

    133 g

  2. 2. Mi 9 Explorer

    173 g

    +40 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 9 Explorer

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

Mi 9 Explorer has approximately 79.5% 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 9 Explorer, compared at the same storage capacity.
StorageMI-2aMi 9 Explorer
16 GB 1 GB RAM Unknown
Mi 9 Explorer: Original memory entry

256 GB · 8/12 GB RAM

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 9 Explorer

NFC:
Yes
Headphone jack:
No
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. MI-2a

    2030 mAh

  2. 2. Mi 9 Explorer

    3300 mAh

    +1270 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 9 Explorer

Everyday essentials
Everyday essentials — specifications for MI-2a, Mi 9 Explorer.
SpecificationMI-2aMi 9 Explorer
Dimensions (HxWxD)
  • 133 Х 66.5 Х 9.5 mm
  • 157.5 Х 74.7 Х 7.6 mm
Weight
  • 133 g
  • 173 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 4.5" inch
  • 6.39" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 256 GB
  • 8/12 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2030 mAh
  • Removable Li-Ion
  • 3300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.1 (Jelly Bean)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Xiaolong S4 Pro
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for MI-2a, Mi 9 Explorer.
SpecificationMI-2aMi 9 Explorer
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 100.2 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 63.1%
  • 85.2%
PPI /points per inch/
  • 326 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 6
Camera and Video
Camera and Video — specifications for MI-2a, Mi 9 Explorer.
SpecificationMI-2aMi 9 Explorer
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 8 MP
  • AF
  • f/2.0
  • 48 MP
  • f/1.5 (12GB RAM model) or f/1.8 (8GB RAM model)
  • (wide)
  • 1/2"
  • 0.8µm
  • PDAF
  • Laser AF - 12 MP
  • f/2.2
  • 54mm (telephoto)
  • 1/3.6"
  • 1.0µm
  • laser AF
  • 2x optical zoom - 16 MP
  • 13mm (ultrawide)
  • 1/3.0"
Functions
  • LED flash
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 2 MP
  • 20 MP
  • f/2.0
  • 0.9μm
Performance

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

Performance — specifications for MI-2a, Mi 9 Explorer.
SpecificationMI-2aMi 9 Explorer
Processor CPU
  • Dual-core 1.7 GHz
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Adreno 320
  • Adreno 640
Antutu 7 score *
  • 21326
Unknown
GeekBench 4 Single Core *
  • 742
Unknown
GeekBench 4 Multi-Core *
  • 1151
Unknown
GeekBench 4 RenderScript *
  • 1277
Unknown
General specs
General specs — specifications for MI-2a, Mi 9 Explorer.
SpecificationMI-2aMi 9 Explorer
Release date
  • 2013
  • 2019
  • February
Colors
  • Black (front panel)
  • 4 color options (back panel)
  • Transparent Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 530 EUR
Body build Unknown
  • Back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for MI-2a, Mi 9 Explorer.
SpecificationMI-2aMi 9 Explorer
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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
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 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for MI-2a, Mi 9 Explorer.
SpecificationMI-2aMi 9 Explorer
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for MI-2a, Mi 9 Explorer.
SpecificationMI-2aMi 9 Explorer
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 27W (Quick Charge 4+) -Fast wireless charging 20W - Also known as Xiaomi Mi 9 Transparent Edition