Micromax Ninja A91 vs Xiaomi Redmi Note 7

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

    Ninja A91: 36.9 g lighter

    Ninja A91:
    149.1 g
    Redmi Note 7:
    186 g
  • Width

    Ninja A91: 9.2 mm narrower

    Ninja A91:
    66 mm
    Redmi Note 7:
    75.2 mm
  • Screen diagonal

    Ninja A91: 1.8 in smaller diagonal

    Ninja A91:
    4.5 in
    Redmi Note 7:
    6.3 in
  • Chipset

    Ninja A91:
    Mediatek MT6577 (40 nm)
    Redmi Note 7:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Rear camera layout

    Ninja A91:
    Single
    Redmi Note 7:
    Dual
  • Depth

    Redmi Note 7: 1.9 mm thinner

    Ninja A91:
    10 mm
    Redmi Note 7:
    8.1 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 +1.9 mm versus Redmi Note 7
  2. 2. Redmi Note 7

    Height:
    159.2 mm +29.2 mm versus Ninja A91
    Width:
    75.2 mm +9.2 mm versus Ninja A91
    Depth:
    8.1 mm

Weight

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

  1. 1. Ninja A91

    149.1 g

  2. 2. Redmi Note 7

    186 g

    +36.9 g versus Ninja A91

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. Redmi Note 7

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

Redmi Note 7 has approximately 74.5% more rectangular screen area than Ninja A91.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Ninja A91: Original memory entry

2 GB

Redmi Note 7: Original memory entry

64 GB · 4/6 GB RAM 32 GB · 3 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. Ninja A91

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. Redmi Note 7

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

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. Redmi Note 7

Everyday essentials
Everyday essentials — specifications for Ninja A91, Redmi Note 7.
SpecificationNinja A91Redmi Note 7
Dimensions (HxWxD)
  • 130 Х 66 Х 10 mm
  • 159.2 Х 75.2 Х 8.1 mm
Weight
  • 149.1 g
  • 186 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4.5" inch
  • 6.3" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 2 GB
  • 64 GB
  • 4/6 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Mediatek MT6577 (40 nm)
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Ninja A91, Redmi Note 7.
SpecificationNinja A91Redmi Note 7
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 97.4 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 65.0%
  • 81.4%
PPI /points per inch/
  • 218 PPI
  • 409 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Ninja A91, Redmi Note 7.
SpecificationNinja A91Redmi Note 7
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Dual
Camera specs
  • 5 MP
  • 48 MP
  • f/1.8
  • 1/2''
  • 0.8µm
  • PDAF -5 MP
  • f/2.4
  • depth sensor
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 13 MP
  • Single
Specifications
  • VGA
  • 13 MP
Performance

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

Performance — specifications for Ninja A91, Redmi Note 7.
SpecificationNinja A91Redmi Note 7
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • PowerVR SGX531u
  • Adreno 512
Antutu 7 score * Unknown
  • 144610
GeekBench 4 Single Core * Unknown
  • 1462
GeekBench 4 Multi-Core * Unknown
  • 4556
Antutu 8 score * Unknown
  • 179213
GeekBench 5 Single Core * Unknown
  • 334
GeekBench 5 Multi-Core * Unknown
  • 1294
General specs
General specs — specifications for Ninja A91, Redmi Note 7.
SpecificationNinja A91Redmi Note 7
Release date
  • 2013
  • March
  • 2019
  • January
Colors
  • Black
  • Blue
  • Black
  • Twilight Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 150 EUR
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, Redmi Note 7.
SpecificationNinja A91Redmi Note 7
SIM card
  • Dual SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • 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)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • Proprietary
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 3.0
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Ninja A91, Redmi Note 7.
SpecificationNinja A91Redmi Note 7
Radio
  • FM radio
  • FM radio
  • recording
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Ninja A91, Redmi Note 7.
SpecificationNinja A91Redmi Note 7
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging (Quick Charge 4)