Micromax A57 Ninja 3.0 vs Xiaomi Redmi Note 4

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

  A57 Ninja 3.0: 71.2 g lighter

  A57 Ninja 3.0:

  93.8 g

  Redmi Note 4:

  165 g

• Width

  A57 Ninja 3.0: 14 mm narrower

  A57 Ninja 3.0:

  62 mm

  Redmi Note 4:

  76 mm

• Screen diagonal

  A57 Ninja 3.0: 2 in smaller diagonal

  A57 Ninja 3.0:

  3.5 in

  Redmi Note 4:

  5.5 in

• Depth

  Redmi Note 4: 3 mm thinner

  A57 Ninja 3.0:

  11.5 mm

  Redmi Note 4:

  8.5 mm

• Height

  A57 Ninja 3.0: 35 mm shorter

  A57 Ninja 3.0:

  116 mm

  Redmi Note 4:

  151 mm

• Release year

  A57 Ninja 3.0:

  2012

  Redmi Note 4:

  2017

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. A57 Ninja 3.0

   Height:

   116 mm

   Width:

   62 mm

   Depth:

   11.5 mm +3 mm versus Redmi Note 4

2. 2. Redmi Note 4

   Height:

   151 mm +35 mm versus A57 Ninja 3.0

   Width:

   76 mm +14 mm versus A57 Ninja 3.0

   Depth:

   8.5 mm

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. A57 Ninja 3.0

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   36.5 cm²

2. 2. Redmi Note 4

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

Redmi Note 4 has approximately 128.6% more rectangular screen area than A57 Ninja 3.0.

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.

Practical features

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

Battery capacity

Capacity is not battery life. No endurance test is implied.

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.