BlackBerry Evolve X 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: 66 g lighter

  Evolve X:

  170 g

  A402:

  104 g

• Width

  A402: 12.8 mm narrower

  Evolve X:

  76.8 mm

  A402:

  64 mm

• Screen diagonal

  A402: 1.99 in smaller diagonal

  Evolve X:

  5.99 in

  A402:

  4 in

• Chipset

  Evolve X:

  Qualcomm SDM660 Snapdragon 660 (14 nm)

  A402:

  Spreadtrum 7715

• Rear camera layout

  Evolve X:

  Dual

  A402:

  Single

• Depth

  Evolve X: 1.4 mm thinner

  Evolve X:

  8.8 mm

  A402:

  10.2 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. Evolve X

   Height:

   159.1 mm +33.6 mm versus A402

   Width:

   76.8 mm +12.8 mm versus A402

   Depth:

   8.8 mm

2. 2. A402

   Height:

   125.5 mm

   Width:

   64 mm

   Depth:

   10.2 mm +1.4 mm versus Evolve X

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. Evolve X

   Screen diagonal:

   5.99 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   92.6 cm²

2. 2. A402

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

Evolve X has approximately 103.3% more rectangular screen area than A402.

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.