vivo Y55s vs Xiaomi Mi 9 SE

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

  Y55s:

  LCD

  Mi 9 SE:

  OLED

• Weight

  Y55s: 13 g lighter

  Y55s:

  142 g

  Mi 9 SE:

  155 g

• Width

  Mi 9 SE: 2.4 mm narrower

  Y55s:

  72.9 mm

  Mi 9 SE:

  70.5 mm

• Screen diagonal

  Y55s: 0.77 in smaller diagonal

  Y55s:

  5.2 in

  Mi 9 SE:

  5.97 in

• Chipset

  Y55s:

  Qualcomm MSM8917 Snapdragon 425 (28 nm)

  Mi 9 SE:

  Qualcomm SDM712 Snapdragon 712 (10 nm)

• Rear camera layout

  Y55s:

  Single

  Mi 9 SE:

  Triple

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. Y55s

   Height:

   147.9 mm

   Width:

   72.9 mm +2.4 mm versus Mi 9 SE

   Depth:

   7.5 mm

2. 2. Mi 9 SE

   Height:

   147.5 mm

   Width:

   70.5 mm

   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. Y55s

   Screen diagonal:

   5.2 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   74.5 cm²

2. 2. Mi 9 SE

   Screen diagonal:

   5.97 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   87.5 cm²

Mi 9 SE has approximately 17.4% more rectangular screen area than Y55s.

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.