Motorola XT720 MOTOROI 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.

• Weight

  Billy 4: 30 g lighter

  XT720 MOTOROI:

  139 g

  Billy 4:

  109 g

• Width

  XT720 MOTOROI: 3.5 mm narrower

  XT720 MOTOROI:

  60.9 mm

  Billy 4:

  64.4 mm

• Screen diagonal

  XT720 MOTOROI: 0.3 in smaller diagonal

  XT720 MOTOROI:

  3.7 in

  Billy 4:

  4 in

• Depth

  Billy 4: 1 mm thinner

  XT720 MOTOROI:

  10.9 mm

  Billy 4:

  9.9 mm

• Height

  XT720 MOTOROI: 6.5 mm shorter

  XT720 MOTOROI:

  116 mm

  Billy 4:

  122.5 mm

• Release year

  XT720 MOTOROI:

  2010

  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. XT720 MOTOROI

   Height:

   116 mm

   Width:

   60.9 mm

   Depth:

   10.9 mm +1 mm versus Billy 4

2. 2. Billy 4

   Height:

   122.5 mm +6.5 mm versus XT720 MOTOROI

   Width:

   64.4 mm +3.5 mm versus XT720 MOTOROI

   Depth:

   9.9 mm

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. XT720 MOTOROI

   Screen diagonal:

   3.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   37.7 cm²

2. 2. Billy 4

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

Billy 4 has approximately 20.7% more rectangular screen area than XT720 MOTOROI.

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.