Nokia E7 vs vivo X21 UD

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

  X21 UD: 19.8 g lighter

  E7:

  176 g

  X21 UD:

  156.2 g

• Width

  E7: 12.4 mm narrower

  E7:

  62.4 mm

  X21 UD:

  74.8 mm

• Screen diagonal

  E7: 2.28 in smaller diagonal

  E7:

  4 in

  X21 UD:

  6.28 in

• Rear camera layout

  E7:

  Single

  X21 UD:

  Dual

• Depth

  X21 UD: 6.2 mm thinner

  E7:

  13.6 mm

  X21 UD:

  7.4 mm

• Height

  E7: 30.8 mm shorter

  E7:

  123.7 mm

  X21 UD:

  154.5 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. E7

   Height:

   123.7 mm

   Width:

   62.4 mm

   Depth:

   13.6 mm +6.2 mm versus X21 UD

2. 2. X21 UD

   Height:

   154.5 mm +30.8 mm versus E7

   Width:

   74.8 mm +12.4 mm versus E7

   Depth:

   7.4 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. E7

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   44.1 cm²

2. 2. X21 UD

   Screen diagonal:

   6.28 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   98.4 cm²

X21 UD has approximately 123.2% more rectangular screen area than E7.

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.