Samsung Galaxy Note 9 vs Xiaomi Redmi Note 4

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 Note 9:

  OLED

  Redmi Note 4:

  LCD

• Weight

  Redmi Note 4: 36 g lighter

  Galaxy Note 9:

  201 g

  Redmi Note 4:

  165 g

• Screen diagonal

  Redmi Note 4: 0.9 in smaller diagonal

  Galaxy Note 9:

  6.4 in

  Redmi Note 4:

  5.5 in

• Rear camera layout

  Galaxy Note 9:

  Dual

  Redmi Note 4:

  Single

• Height

  Redmi Note 4: 10.9 mm shorter

  Galaxy Note 9:

  161.9 mm

  Redmi Note 4:

  151 mm

• Release year

  Galaxy Note 9:

  2018

  Redmi Note 4:

  2017

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 Note 9

   Height:

   161.9 mm +10.9 mm versus Redmi Note 4

   Width:

   76.4 mm

   Depth:

   8.8 mm

2. 2. Redmi Note 4

   Height:

   151 mm

   Width:

   76 mm

   Depth:

   8.5 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. Galaxy Note 9

   Screen diagonal:

   6.4 in

   Aspect ratio (height:width):

   18.5:9

   Approximate rectangular screen area:

   104 cm²

2. 2. Redmi Note 4

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

Galaxy Note 9 has approximately 24.7% more rectangular screen area than Redmi Note 4.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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.