Micromax Ninja A91 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: 16.1 g lighter

    Ninja A91:
    149.1 g
    MI-2a:
    133 g
  • Depth

    MI-2a: 0.5 mm thinner

    Ninja A91:
    10 mm
    MI-2a:
    9.5 mm
  • Height

    Ninja A91: 3 mm shorter

    Ninja A91:
    130 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. Ninja A91

    Height:
    130 mm
    Width:
    66 mm
    Depth:
    10 mm +0.5 mm versus MI-2a
  2. 2. MI-2a

    Height:
    133 mm +3 mm versus Ninja A91
    Width:
    66.5 mm
    Depth:
    9.5 mm

Weight

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

  1. 1. Ninja A91

    149.1 g

    +16.1 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. Ninja A91

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

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

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 Ninja A91, MI-2a, compared at the same storage capacity.
StorageNinja A91MI-2a
16 GB Unknown 1 GB RAM
Ninja A91: Original memory entry

2 GB

Practical features

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

1. Ninja A91

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. Ninja A912. MI-2a

Everyday essentials
Everyday essentials — specifications for Ninja A91, MI-2a.
SpecificationNinja A91MI-2a
Dimensions (HxWxD)
  • 130 Х 66 Х 10 mm
  • 133 Х 66.5 Х 9.5 mm
Weight
  • 149.1 g
  • 133 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4.5" inch
  • 4.5" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 2 GB
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 2030 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Android 4.1 (Jelly Bean)
Chipset
  • Mediatek MT6577 (40 nm)
  • Xiaolong S4 Pro
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Ninja A91, MI-2a.
SpecificationNinja A91MI-2a
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 65.0%
  • 63.1%
PPI /points per inch/
  • 218 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for Ninja A91, MI-2a.
SpecificationNinja A91MI-2a
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • AF
  • f/2.0
Functions Unknown
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA
  • 2 MP
Performance

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

Performance — specifications for Ninja A91, MI-2a.
SpecificationNinja A91MI-2a
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Dual-core 1.7 GHz
Graphics processor GPU
  • PowerVR SGX531u
  • Adreno 320
Antutu 7 score * Unknown
  • 21326
GeekBench 4 Single Core * Unknown
  • 742
GeekBench 4 Multi-Core * Unknown
  • 1151
GeekBench 4 RenderScript * Unknown
  • 1277
General specs
General specs — specifications for Ninja A91, MI-2a.
SpecificationNinja A91MI-2a
Release date
  • 2013
  • March
  • 2013
Colors
  • Black
  • Black (front panel)
  • 4 color options (back panel)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
Unknown
Battery life
  • Stand by time- Up to 230 h Talking time- Up to 4 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Ninja A91, MI-2a.
SpecificationNinja A91MI-2a
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Class 12
Edge
  • Class 12
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
USB
  • Proprietary
  • microUSB 2.0
  • USB Host
Bluetooth
  • 3.0
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Ninja A91, MI-2a.
SpecificationNinja A91MI-2a
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Ninja A91, MI-2a.
SpecificationNinja A91MI-2a
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass