Samsung Galaxy A3 (2017) vs vivo X20

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

  Galaxy A3 (2017): 21 g lighter

  Galaxy A3 (2017):

  138 g

  X20:

  159 g

• Width

  Galaxy A3 (2017): 9 mm narrower

  Galaxy A3 (2017):

  66.2 mm

  X20:

  75.2 mm

• Screen diagonal

  Galaxy A3 (2017): 1.31 in smaller diagonal

  Galaxy A3 (2017):

  4.7 in

  X20:

  6.01 in

• Chipset

  Galaxy A3 (2017):

  Exynos 7870 Octa (14 nm)

  X20:

  Qualcomm SDM660 Snapdragon 660 (14 nm)

• Rear camera layout

  Galaxy A3 (2017):

  Single

  X20:

  Dual

• Depth

  X20: 0.7 mm thinner

  Galaxy A3 (2017):

  7.9 mm

  X20:

  7.2 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. Galaxy A3 (2017)

   Height:

   135.4 mm

   Width:

   66.2 mm

   Depth:

   7.9 mm +0.7 mm versus X20

2. 2. X20

   Height:

   155.9 mm +20.5 mm versus Galaxy A3 (2017)

   Width:

   75.2 mm +9 mm versus Galaxy A3 (2017)

   Depth:

   7.2 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. Galaxy A3 (2017)

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   60.9 cm²

2. 2. X20

   Screen diagonal:

   6.01 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   93.2 cm²

X20 has approximately 53.1% more rectangular screen area than Galaxy A3 (2017).

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.