vivo Y9s vs ZTE Blade A520

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

  Y9s:

  OLED

  Blade A520:

  LCD

• Weight

  Blade A520: 56.7 g lighter

  Y9s:

  186.7 g

  Blade A520:

  130 g

• Width

  Blade A520: 4.2 mm narrower

  Y9s:

  75.2 mm

  Blade A520:

  71 mm

• Screen diagonal

  Blade A520: 1.38 in smaller diagonal

  Y9s:

  6.38 in

  Blade A520:

  5 in

• Chipset

  Y9s:

  Qualcomm SDM665 Snapdragon 665 (11 nm)

  Blade A520:

  Mediatek MT6737 (28 nm)

• Rear camera layout

  Y9s:

  Quad

  Blade A520:

  Single

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. Y9s

   Height:

   159.3 mm +15.3 mm versus Blade A520

   Width:

   75.2 mm +4.2 mm versus Blade A520

   Depth:

   8.7 mm

2. 2. Blade A520

   Height:

   144 mm

   Width:

   71 mm

   Depth:

   8.4 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. Y9s

   Screen diagonal:

   6.38 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   99.9 cm²

2. 2. Blade A520

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

Y9s has approximately 45% more rectangular screen area than Blade A520.

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.