Samsung Galaxy S9 vs Xiaomi Redmi Note 7

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 S9:

  OLED

  Redmi Note 7:

  LCD

• Weight

  Galaxy S9: 23 g lighter

  Galaxy S9:

  163 g

  Redmi Note 7:

  186 g

• Width

  Galaxy S9: 6.5 mm narrower

  Galaxy S9:

  68.7 mm

  Redmi Note 7:

  75.2 mm

• Screen diagonal

  Galaxy S9: 0.5 in smaller diagonal

  Galaxy S9:

  5.8 in

  Redmi Note 7:

  6.3 in

• Rear camera layout

  Galaxy S9:

  Single

  Redmi Note 7:

  Dual

• Height

  Galaxy S9: 11.5 mm shorter

  Galaxy S9:

  147.7 mm

  Redmi Note 7:

  159.2 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 S9

   Height:

   147.7 mm

   Width:

   68.7 mm

   Depth:

   8.5 mm

2. 2. Redmi Note 7

   Height:

   159.2 mm +11.5 mm versus Galaxy S9

   Width:

   75.2 mm +6.5 mm versus Galaxy S9

   Depth:

   8.1 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 S9

   Screen diagonal:

   5.8 in

   Aspect ratio (height:width):

   18.5:9

   Approximate rectangular screen area:

   85.4 cm²

2. 2. Redmi Note 7

   Screen diagonal:

   6.3 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   97.4 cm²

Redmi Note 7 has approximately 14.1% more rectangular screen area than Galaxy S9.

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.