Vertu Aster vs vivo X21

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: 36.8 g lighter

  Aster:

  193 g

  X21:

  156.2 g

• Width

  Aster: 5.8 mm narrower

  Aster:

  69 mm

  X21:

  74.8 mm

• Screen diagonal

  Aster: 1.58 in smaller diagonal

  Aster:

  4.7 in

  X21:

  6.28 in

• Memory variants

  At 64 GB storage

  Aster:

  2 GB RAM

  X21:

  6 GB RAM

• Chipset

  Aster:

  Qualcomm Snapdragon 801 (28 nm)

  X21:

  Qualcomm SDM660 Snapdragon 660 (14 nm)

• Rear camera layout

  Aster:

  Single

  X21:

  Dual

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. Aster

   Height:

   143.4 mm

   Width:

   69 mm

   Depth:

   11.2 mm +3.8 mm versus X21

2. 2. X21

   Height:

   154.5 mm +11.1 mm versus Aster

   Width:

   74.8 mm +5.8 mm versus Aster

   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. Aster

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   60.9 cm²

2. 2. X21

   Screen diagonal:

   6.28 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   98.4 cm²

X21 has approximately 61.6% more rectangular screen area than Aster.

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.