Oppo A57 vs TECNO Spark CM

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: 25 g lighter

  A57:

  147 g

  Spark CM:

  172 g

• Width

  Spark CM: 1.2 mm narrower

  A57:

  72.9 mm

  Spark CM:

  71.7 mm

• Screen diagonal

  A57: 0.5 in smaller diagonal

  A57:

  5.2 in

  Spark CM:

  5.7 in

• Chipset

  A57:

  Qualcomm MSM8940 Snapdragon 435 (28 nm)

  Spark CM:

  Mediatek MT6737

• Depth

  Spark CM: 2.1 mm thinner

  A57:

  7.7 mm

  Spark CM:

  5.6 mm

• Height

  A57: 3.1 mm shorter

  A57:

  149.1 mm

  Spark CM:

  152.2 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. A57

   Height:

   149.1 mm

   Width:

   72.9 mm +1.2 mm versus Spark CM

   Depth:

   7.7 mm +2.1 mm versus Spark CM

2. 2. Spark CM

   Height:

   152.2 mm +3.1 mm versus A57

   Width:

   71.7 mm

   Depth:

   5.6 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

   Screen diagonal:

   5.2 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   74.5 cm²

2. 2. Spark CM

   Screen diagonal:

   5.7 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   83.8 cm²

Spark CM has approximately 12.5% more rectangular screen area than A57.

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.