BLU Grand Mini 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

  Grand Mini: 48 g lighter

  Grand Mini:

  132 g

  A31:

  180 g

• Width

  Grand Mini: 9.5 mm narrower

  Grand Mini:

  66 mm

  A31:

  75.5 mm

• Screen diagonal

  Grand Mini: 2 in smaller diagonal

  Grand Mini:

  4.5 in

  A31:

  6.5 in

• Rear camera layout

  Grand Mini:

  Single

  A31:

  Triple

• Height

  Grand Mini: 31.9 mm shorter

  Grand Mini:

  132 mm

  A31:

  163.9 mm

• Release year

  Grand Mini:

  2017

  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. Grand Mini

   Height:

   132 mm

   Width:

   66 mm

   Depth:

   8.6 mm

2. 2. A31

   Height:

   163.9 mm +31.9 mm versus Grand Mini

   Width:

   75.5 mm +9.5 mm versus Grand Mini

   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. Grand Mini

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

2. 2. A31

   Screen diagonal:

   6.5 in

   Aspect ratio (height:width):

   20:9

   Approximate rectangular screen area:

   102 cm²

A31 has approximately 82.7% more rectangular screen area than Grand Mini.

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.