Xiaomi MI-2a vs Xiaomi Mi 9T

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 9T:
    OLED
  • Weight

    MI-2a: 58 g lighter

    MI-2a:
    133 g
    Mi 9T:
    191 g
  • Width

    MI-2a: 7.8 mm narrower

    MI-2a:
    66.5 mm
    Mi 9T:
    74.3 mm
  • Screen diagonal

    MI-2a: 1.89 in smaller diagonal

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

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

    Mi 9T: 0.7 mm thinner

    MI-2a:
    9.5 mm
    Mi 9T:
    8.8 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 +0.7 mm versus Mi 9T
  2. 2. Mi 9T

    Height:
    156.7 mm +23.7 mm versus MI-2a
    Width:
    74.3 mm +7.8 mm versus MI-2a
    Depth:
    8.8 mm

Weight

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

  1. 1. MI-2a

    133 g

  2. 2. Mi 9T

    191 g

    +58 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 9T

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

Mi 9T 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 9T, compared at the same storage capacity.
StorageMI-2aMi 9T
16 GB 1 GB RAM Not recorded
64 GB Not recorded 6 GB RAM
128 GB Not recorded 6 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 9T

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. MI-2a

    2030 mAh

  2. 2. Mi 9T

    4000 mAh

    +1970 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 9T

Everyday essentials
Everyday essentials — specifications for MI-2a, Mi 9T.
SpecificationMI-2aMi 9T
Dimensions (HxWxD)
  • 133 Х 66.5 Х 9.5 mm
  • 156.7 Х 74.3 Х 8.8 mm
Weight
  • 133 g
  • 191 g
Technology
  • IPS LCD
  • 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
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2030 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.1 (Jelly Bean)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Xiaolong S4 Pro
  • Qualcomm SDM730 Snapdragon 730 (8 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for MI-2a, Mi 9T.
SpecificationMI-2aMi 9T
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%
  • 86.1%
PPI /points per inch/
  • 326 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for MI-2a, Mi 9T.
SpecificationMI-2aMi 9T
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 8 MP
  • AF
  • f/2.0
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • f/2.4
  • 53mm (telephoto)
  • 1/4''
  • 1.12µm
  • PDAF
  • 2x optical zoom -13 MP
  • 12mm (ultrawide)
  • 1/3''
Functions
  • LED flash
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 2 MP
  • Motorized pop-up 20 MP
  • f/2.2
  • 0.8µm
Performance

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

Performance — specifications for MI-2a, Mi 9T.
SpecificationMI-2aMi 9T
Processor CPU
  • Dual-core 1.7 GHz
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Adreno 320
  • Adreno 618
Antutu 7 score *
  • 21326
  • 218548
GeekBench 4 Single Core *
  • 742
  • 2540
GeekBench 4 Multi-Core *
  • 1151
  • 6911
GeekBench 4 RenderScript *
  • 1277
Unknown
Antutu 8 score * Unknown
  • 264797
GeekBench 5 Single Core * Unknown
  • 529
GeekBench 5 Multi-Core * Unknown
  • 1658
General specs
General specs — specifications for MI-2a, Mi 9T.
SpecificationMI-2aMi 9T
Release date
  • 2013
  • 2019
  • June
Colors
  • Black (front panel)
  • 4 color options (back panel)
  • Carbon black
  • Red flame
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 300 EUR
Communication and Connectivity
Communication and Connectivity — specifications for MI-2a, Mi 9T.
SpecificationMI-2aMi 9T
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(AWS) / 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)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • 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
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
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 9T.
SpecificationMI-2aMi 9T
Radio
  • FM radio
  • Yes
Others
  • Active noise cancellation with dedicated mic
  • HDR
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for MI-2a, Mi 9T.
SpecificationMI-2aMi 9T
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - For Global market