Samsung Galaxy A9 (2018) vs Xiaomi Redmi Note 9 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.

• Display technology

  OLED versus LCD

  Galaxy A9 (2018):

  OLED

  Redmi Note 9 Pro:

  LCD

• Weight

  Galaxy A9 (2018): 26 g lighter

  Galaxy A9 (2018):

  183 g

  Redmi Note 9 Pro:

  209 g

• Screen diagonal

  Galaxy A9 (2018): 0.37 in smaller diagonal

  Galaxy A9 (2018):

  6.3 in

  Redmi Note 9 Pro:

  6.67 in

• Chipset

  Galaxy A9 (2018):

  Qualcomm SDM660 Snapdragon 660 (14 nm)

  Redmi Note 9 Pro:

  Qualcomm SM7125 Snapdragon 720G (8 nm)

• Depth

  Galaxy A9 (2018): 1 mm thinner

  Galaxy A9 (2018):

  7.8 mm

  Redmi Note 9 Pro:

  8.8 mm

• Height

  Galaxy A9 (2018): 3.3 mm shorter

  Galaxy A9 (2018):

  162.5 mm

  Redmi Note 9 Pro:

  165.8 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. Galaxy A9 (2018)

   Height:

   162.5 mm

   Width:

   77 mm

   Depth:

   7.8 mm

2. 2. Redmi Note 9 Pro

   Height:

   165.8 mm +3.3 mm versus Galaxy A9 (2018)

   Width:

   76.7 mm

   Depth:

   8.8 mm +1 mm versus Galaxy A9 (2018)

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 A9 (2018)

   Screen diagonal:

   6.3 in

   Aspect ratio (height:width):

   18.5:9

   Approximate rectangular screen area:

   100.7 cm²

2. 2. Redmi Note 9 Pro

   Screen diagonal:

   6.67 in

   Aspect ratio (height:width):

   20:9

   Approximate rectangular screen area:

   107.4 cm²

Redmi Note 9 Pro has approximately 6.6% more rectangular screen area than Galaxy A9 (2018).

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.