Xiaomi Mi 9 vs Xiaomi Redmi Note 4G

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

  Mi 9:

  OLED

  Redmi Note 4G:

  LCD

• Width

  Mi 9: 1.3 mm narrower

  Mi 9:

  74.7 mm

  Redmi Note 4G:

  76 mm

• Screen diagonal

  Redmi Note 4G: 0.89 in smaller diagonal

  Mi 9:

  6.39 in

  Redmi Note 4G:

  5.5 in

• Chipset

  Mi 9:

  Qualcomm SDM855 Snapdragon 855 (7 nm)

  Redmi Note 4G:

  Mediatek MT6797 Helio X20 (20 nm)

• Rear camera layout

  Mi 9:

  Triple

  Redmi Note 4G:

  Single

• Depth

  Mi 9: 0.8 mm thinner

  Mi 9:

  7.6 mm

  Redmi Note 4G:

  8.4 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. Mi 9

   Height:

   157.5 mm +6.5 mm versus Redmi Note 4G

   Width:

   74.7 mm

   Depth:

   7.6 mm

2. 2. Redmi Note 4G

   Height:

   151 mm

   Width:

   76 mm +1.3 mm versus Mi 9

   Depth:

   8.4 mm +0.8 mm versus Mi 9

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. Mi 9

   Screen diagonal:

   6.39 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   100.2 cm²

2. 2. Redmi Note 4G

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

Mi 9 has approximately 20.2% more rectangular screen area than Redmi Note 4G.

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.