Asus Zenfone Go ZB551KL 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

  Zenfone Go ZB551KL: 20 g lighter

  Zenfone Go ZB551KL:

  160 g

  A31:

  180 g

• Width

  A31: 1.4 mm narrower

  Zenfone Go ZB551KL:

  76.9 mm

  A31:

  75.5 mm

• Screen diagonal

  Zenfone Go ZB551KL: 1 in smaller diagonal

  Zenfone Go ZB551KL:

  5.5 in

  A31:

  6.5 in

• Rear camera layout

  Zenfone Go ZB551KL:

  Single

  A31:

  Triple

• Depth

  A31: 2.4 mm thinner

  Zenfone Go ZB551KL:

  10.7 mm

  A31:

  8.3 mm

• Height

  Zenfone Go ZB551KL: 12.9 mm shorter

  Zenfone Go ZB551KL:

  151 mm

  A31:

  163.9 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. Zenfone Go ZB551KL

   Height:

   151 mm

   Width:

   76.9 mm +1.4 mm versus A31

   Depth:

   10.7 mm +2.4 mm versus A31

2. 2. A31

   Height:

   163.9 mm +12.9 mm versus Zenfone Go ZB551KL

   Width:

   75.5 mm

   Depth:

   8.3 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. Zenfone Go ZB551KL

   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 Zenfone Go ZB551KL.

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.