Coolpad Cool S1 vs Oppo A31

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

  Cool S1: 12 g lighter

  Cool S1:

  168 g

  A31:

  180 g

• Screen diagonal

  Cool S1: 1 in smaller diagonal

  Cool S1:

  5.5 in

  A31:

  6.5 in

• Rear camera layout

  Cool S1:

  Single

  A31:

  Triple

• Depth

  Cool S1: 0.8 mm thinner

  Cool S1:

  7.5 mm

  A31:

  8.3 mm

• Height

  Cool S1: 12.5 mm shorter

  Cool S1:

  151.4 mm

  A31:

  163.9 mm

• Release year

  Cool S1:

  2016

  A31:

  2020

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. Cool S1

   Height:

   151.4 mm

   Width:

   74.7 mm

   Depth:

   7.5 mm

2. 2. A31

   Height:

   163.9 mm +12.5 mm versus Cool S1

   Width:

   75.5 mm

   Depth:

   8.3 mm +0.8 mm versus Cool S1

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. Cool S1

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

2. 2. A31

   Screen diagonal:

   6.5 in

   Aspect ratio (height:width):

   20:9

   Approximate rectangular screen area:

   102 cm²

A31 has approximately 22.3% more rectangular screen area than Cool S1.

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.