vivo X20 Plus UD vs ZTE N721

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

  N721: 76.5 g lighter

  X20 Plus UD:

  181.5 g

  N721:

  105 g

• Width

  N721: 23.9 mm narrower

  X20 Plus UD:

  80.1 mm

  N721:

  56.2 mm

• Screen diagonal

  N721: 3.63 in smaller diagonal

  X20 Plus UD:

  6.43 in

  N721:

  2.8 in

• Rear camera layout

  X20 Plus UD:

  Dual

  N721:

  Single

• Depth

  X20 Plus UD: 6.7 mm thinner

  X20 Plus UD:

  7.5 mm

  N721:

  14.2 mm

• Height

  N721: 49.3 mm shorter

  X20 Plus UD:

  155.3 mm

  N721:

  106 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. X20 Plus UD

   Height:

   155.3 mm +49.3 mm versus N721

   Width:

   80.1 mm +23.9 mm versus N721

   Depth:

   7.5 mm

2. 2. N721

   Height:

   106 mm

   Width:

   56.2 mm

   Depth:

   14.2 mm +6.7 mm versus X20 Plus UD

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. X20 Plus UD

   Screen diagonal:

   6.43 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   106.7 cm²

2. 2. N721

   Screen diagonal:

   2.8 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   24.3 cm²

X20 Plus UD has approximately 339.5% more rectangular screen area than N721.

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.