vivo X9 vs Xiaomi Redmi 8A Dual

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

  X9:

  OLED

  Redmi 8A Dual:

  LCD

• Weight

  X9: 34 g lighter

  X9:

  154 g

  Redmi 8A Dual:

  188 g

• Width

  X9: 1.4 mm narrower

  X9:

  74 mm

  Redmi 8A Dual:

  75.4 mm

• Screen diagonal

  X9: 0.72 in smaller diagonal

  X9:

  5.5 in

  Redmi 8A Dual:

  6.22 in

• Chipset

  X9:

  Qualcomm MSM8953 Snapdragon 625 (14 nm)

  Redmi 8A Dual:

  Qualcomm SDM439 Snapdragon 439 (12 nm)

• Rear camera layout

  X9:

  Single

  Redmi 8A Dual:

  Dual

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. X9

   Height:

   152.6 mm

   Width:

   74 mm

   Depth:

   7 mm

2. 2. Redmi 8A Dual

   Height:

   156.5 mm +3.9 mm versus X9

   Width:

   75.4 mm +1.4 mm versus X9

   Depth:

   9.4 mm +2.4 mm versus X9

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. X9

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

2. 2. Redmi 8A Dual

   Screen diagonal:

   6.22 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   96.6 cm²

Redmi 8A Dual has approximately 15.8% more rectangular screen area than X9.

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.