Allview P4 Duo vs Coolpad Roar

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.

• Display technology

  OLED versus LCD

  P4 Duo:

  OLED

  Roar:

  LCD

• Width

  P4 Duo: 1 mm narrower

  P4 Duo:

  64.4 mm

  Roar:

  65.4 mm

• Screen diagonal

  P4 Duo: 0.5 in smaller diagonal

  P4 Duo:

  4 in

  Roar:

  4.5 in

• Depth

  Roar: 1 mm thinner

  P4 Duo:

  10 mm

  Roar:

  9 mm

• Height

  P4 Duo: 7.4 mm shorter

  P4 Duo:

  125.6 mm

  Roar:

  133 mm

• Release year

  P4 Duo:

  2016

  Roar:

  2015

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. P4 Duo

   Height:

   125.6 mm

   Width:

   64.4 mm

   Depth:

   10 mm +1 mm versus Roar

   Weight:

   105 g

2. 2. Roar

   Height:

   133 mm +7.4 mm versus P4 Duo

   Width:

   65.4 mm +1 mm versus P4 Duo

   Depth:

   9 mm

   Weight:

   Unknown

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. P4 Duo

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

2. 2. Roar

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

Roar has approximately 22.6% more rectangular screen area than P4 Duo.

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.