BLU Vivo X vs Celkon A355

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

  A355: 90.5 g lighter

  Vivo X:

  188 g

  A355:

  97.5 g

• Width

  A355: 13.5 mm narrower

  Vivo X:

  76.8 mm

  A355:

  63.3 mm

• Screen diagonal

  A355: 2.5 in smaller diagonal

  Vivo X:

  6 in

  A355:

  3.5 in

• Chipset

  Vivo X:

  Mediatek MT6757 Helio P20 (16 nm)

  A355:

  Spreadtrum 7715

• Rear camera layout

  Vivo X:

  Dual

  A355:

  Single

• Depth

  Vivo X: 2 mm thinner

  Vivo X:

  8.2 mm

  A355:

  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. Vivo X

   Height:

   160 mm +44.7 mm versus A355

   Width:

   76.8 mm +13.5 mm versus A355

   Depth:

   8.2 mm

2. 2. A355

   Height:

   115.3 mm

   Width:

   63.3 mm

   Depth:

   10.2 mm +2 mm versus Vivo 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. Vivo X

   Screen diagonal:

   6 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   92.9 cm²

2. 2. A355

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   36.5 cm²

Vivo X has approximately 154.7% more rectangular screen area than A355.

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.