vivo Y91 vs Xiaomi Redmi Note 8 Pro

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

  Y91: 35.5 g lighter

  Y91:

  163.5 g

  Redmi Note 8 Pro:

  199 g

• Width

  Y91: 1.3 mm narrower

  Y91:

  75.1 mm

  Redmi Note 8 Pro:

  76.4 mm

• Screen diagonal

  Y91: 0.31 in smaller diagonal

  Y91:

  6.22 in

  Redmi Note 8 Pro:

  6.53 in

• Chipset

  Y91:

  Qualcomm SDM439 Snapdragon 439 (12 nm)

  Redmi Note 8 Pro:

  Mediatek Helio G90T (12nm)

• Rear camera layout

  Y91:

  Dual

  Redmi Note 8 Pro:

  Quad

• Depth

  Y91: 0.5 mm thinner

  Y91:

  8.3 mm

  Redmi Note 8 Pro:

  8.8 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. Y91

   Height:

   155.1 mm

   Width:

   75.1 mm

   Depth:

   8.3 mm

2. 2. Redmi Note 8 Pro

   Height:

   161.3 mm +6.2 mm versus Y91

   Width:

   76.4 mm +1.3 mm versus Y91

   Depth:

   8.8 mm +0.5 mm versus Y91

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. Y91

   Screen diagonal:

   6.22 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   96.6 cm²

2. 2. Redmi Note 8 Pro

   Screen diagonal:

   6.53 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   104.7 cm²

Redmi Note 8 Pro has approximately 8.4% more rectangular screen area than Y91.

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.