Allview Impera M vs Oppo A57

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

  Impera M: 37 g lighter

  Impera M:

  110 g

  A57:

  147 g

• Width

  Impera M: 8.5 mm narrower

  Impera M:

  64.4 mm

  A57:

  72.9 mm

• Screen diagonal

  Impera M: 1.2 in smaller diagonal

  Impera M:

  4 in

  A57:

  5.2 in

• Chipset

  Impera M:

  Qualcomm MSM8212 Snapdragon 200 (28 nm)

  A57:

  Qualcomm MSM8940 Snapdragon 435 (28 nm)

• Depth

  A57: 2.2 mm thinner

  Impera M:

  9.9 mm

  A57:

  7.7 mm

• Height

  Impera M: 26.6 mm shorter

  Impera M:

  122.5 mm

  A57:

  149.1 mm

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. Impera M

   Height:

   122.5 mm

   Width:

   64.4 mm

   Depth:

   9.9 mm +2.2 mm versus A57

2. 2. A57

   Height:

   149.1 mm +26.6 mm versus Impera M

   Width:

   72.9 mm +8.5 mm versus Impera M

   Depth:

   7.7 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. Impera M

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

2. 2. A57

   Screen diagonal:

   5.2 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   74.5 cm²

A57 has approximately 63.7% more rectangular screen area than Impera M.

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.

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.