Nokia C7 Astound 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.

• Display technology

  OLED versus LCD

  C7 Astound:

  OLED

  A57:

  LCD

• Weight

  C7 Astound: 17 g lighter

  C7 Astound:

  130 g

  A57:

  147 g

• Width

  C7 Astound: 16.1 mm narrower

  C7 Astound:

  56.8 mm

  A57:

  72.9 mm

• Screen diagonal

  C7 Astound: 1.7 in smaller diagonal

  C7 Astound:

  3.5 in

  A57:

  5.2 in

• Depth

  A57: 2.8 mm thinner

  C7 Astound:

  10.5 mm

  A57:

  7.7 mm

• Height

  C7 Astound: 31.8 mm shorter

  C7 Astound:

  117.3 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. C7 Astound

   Height:

   117.3 mm

   Width:

   56.8 mm

   Depth:

   10.5 mm +2.8 mm versus A57

2. 2. A57

   Height:

   149.1 mm +31.8 mm versus C7 Astound

   Width:

   72.9 mm +16.1 mm versus C7 Astound

   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. C7 Astound

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   33.8 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 120.7% more rectangular screen area than C7 Astound.

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.