A1 Alpha vs vivo X20 Plus 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.

• Display technology

  OLED versus LCD

  Alpha:

  LCD

  X20 Plus UD:

  OLED

• Weight

  Alpha: 31.5 g lighter

  Alpha:

  150 g

  X20 Plus UD:

  181.5 g

• Width

  Alpha: 4.3 mm narrower

  Alpha:

  75.8 mm

  X20 Plus UD:

  80.1 mm

• Chipset

  Alpha:

  Unisoc SC9863A (28nm)

  X20 Plus UD:

  Qualcomm SDM660 Snapdragon 660 (14 nm)

• Depth

  X20 Plus UD: 0.6 mm thinner

  Alpha:

  8.1 mm

  X20 Plus UD:

  7.5 mm

• Height

  Alpha: 3.6 mm shorter

  Alpha:

  151.7 mm

  X20 Plus UD:

  155.3 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. Alpha

   Height:

   151.7 mm

   Width:

   75.8 mm

   Depth:

   8.1 mm +0.6 mm versus X20 Plus UD

2. 2. X20 Plus UD

   Height:

   155.3 mm +3.6 mm versus Alpha

   Width:

   80.1 mm +4.3 mm versus Alpha

   Depth:

   7.5 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. Alpha

   Screen diagonal:

   6.26 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   97.8 cm²

2. 2. X20 Plus UD

   Screen diagonal:

   6.43 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   106.7 cm²

X20 Plus UD has approximately 9.1% more rectangular screen area than Alpha.

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.