vivo X21 UD vs ZTE Nova 3.5

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

  Nova 3.5: 14.9 mm narrower

  X21 UD:

  74.8 mm

  Nova 3.5:

  59.9 mm

• Screen diagonal

  Nova 3.5: 2.78 in smaller diagonal

  X21 UD:

  6.28 in

  Nova 3.5:

  3.5 in

• Rear camera layout

  X21 UD:

  Dual

  Nova 3.5:

  Single

• Depth

  X21 UD: 3.6 mm thinner

  X21 UD:

  7.4 mm

  Nova 3.5:

  11 mm

• Height

  Nova 3.5: 42.1 mm shorter

  X21 UD:

  154.5 mm

  Nova 3.5:

  112.4 mm

• Release year

  X21 UD:

  2018

  Nova 3.5:

  2012

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. X21 UD

   Height:

   154.5 mm +42.1 mm versus Nova 3.5

   Width:

   74.8 mm +14.9 mm versus Nova 3.5

   Depth:

   7.4 mm

   Weight:

   156.2 g

2. 2. Nova 3.5

   Height:

   112.4 mm

   Width:

   59.9 mm

   Depth:

   11 mm +3.6 mm versus X21 UD

   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. X21 UD

   Screen diagonal:

   6.28 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   98.4 cm²

2. 2. Nova 3.5

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   37.9 cm²

X21 UD has approximately 159.5% more rectangular screen area than Nova 3.5.

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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.