BLU R1 HD vs Celkon A403

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

  A403: 29 g lighter

  R1 HD:

  142 g

  A403:

  113 g

• Width

  A403: 7 mm narrower

  R1 HD:

  72 mm

  A403:

  65 mm

• Screen diagonal

  A403: 1 in smaller diagonal

  R1 HD:

  5 in

  A403:

  4 in

• Chipset

  R1 HD:

  Mediatek MT6735 (28 nm)

  A403:

  Spreadtrum SC7715

• Depth

  R1 HD: 1.5 mm thinner

  R1 HD:

  8.7 mm

  A403:

  10.2 mm

• Height

  A403: 18.5 mm shorter

  R1 HD:

  143.5 mm

  A403:

  125 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. R1 HD

   Height:

   143.5 mm +18.5 mm versus A403

   Width:

   72 mm +7 mm versus A403

   Depth:

   8.7 mm

2. 2. A403

   Height:

   125 mm

   Width:

   65 mm

   Depth:

   10.2 mm +1.5 mm versus R1 HD

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. R1 HD

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. A403

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

R1 HD has approximately 51.3% more rectangular screen area than A403.

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.