Coolpad Roar vs Yezz Billy 4

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.

• Width

  Billy 4: 1 mm narrower

  Roar:

  65.4 mm

  Billy 4:

  64.4 mm

• Screen diagonal

  Billy 4: 0.5 in smaller diagonal

  Roar:

  4.5 in

  Billy 4:

  4 in

• Chipset

  Roar:

  Mediatek MT6580 (28 nm)

  Billy 4:

  Qualcomm MSM8212 Snapdragon 200 (28 nm)

• Depth

  Roar: 0.9 mm thinner

  Roar:

  9 mm

  Billy 4:

  9.9 mm

• Height

  Billy 4: 10.5 mm shorter

  Roar:

  133 mm

  Billy 4:

  122.5 mm

• Release year

  Roar:

  2015

  Billy 4:

  2014

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. Roar

   Height:

   133 mm +10.5 mm versus Billy 4

   Width:

   65.4 mm +1 mm versus Billy 4

   Depth:

   9 mm

   Weight:

   Unknown

2. 2. Billy 4

   Height:

   122.5 mm

   Width:

   64.4 mm

   Depth:

   9.9 mm +0.9 mm versus Roar

   Weight:

   109 g

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. Roar

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

2. 2. Billy 4

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

Roar has approximately 22.6% more rectangular screen area than Billy 4.

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.