Acer Allegro vs Celkon A402

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

  A402: 22 g lighter

  Allegro:

  126 g

  A402:

  104 g

• Width

  Allegro: 5 mm narrower

  Allegro:

  59 mm

  A402:

  64 mm

• Screen diagonal

  Allegro: 0.4 in smaller diagonal

  Allegro:

  3.6 in

  A402:

  4 in

• Chipset

  Allegro:

  Qualcomm MSM8255 Snapdragon S2

  A402:

  Spreadtrum 7715

• Depth

  A402: 2.8 mm thinner

  Allegro:

  13 mm

  A402:

  10.2 mm

• Height

  Allegro: 9.5 mm shorter

  Allegro:

  116 mm

  A402:

  125.5 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. Allegro

   Height:

   116 mm

   Width:

   59 mm

   Depth:

   13 mm +2.8 mm versus A402

2. 2. A402

   Height:

   125.5 mm +9.5 mm versus Allegro

   Width:

   64 mm +5 mm versus Allegro

   Depth:

   10.2 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. Allegro

   Screen diagonal:

   3.6 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   36.9 cm²

2. 2. A402

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

A402 has approximately 23.5% more rectangular screen area than Allegro.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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.