Micromax A90s vs Xiaomi Redmi Note 9S

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

  A90s:

  OLED

  Redmi Note 9S:

  LCD

• Weight

  A90s: 90.6 g lighter

  A90s:

  118.4 g

  Redmi Note 9S:

  209 g

• Width

  A90s: 9.9 mm narrower

  A90s:

  66.8 mm

  Redmi Note 9S:

  76.7 mm

• Screen diagonal

  A90s: 2.37 in smaller diagonal

  A90s:

  4.3 in

  Redmi Note 9S:

  6.67 in

• Chipset

  A90s:

  Mediatek MT6577 (40 nm)

  Redmi Note 9S:

  Qualcomm SM7125 Snapdragon 720G (8 nm)

• Rear camera layout

  A90s:

  Single

  Redmi Note 9S:

  Quad

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. A90s

   Height:

   127.2 mm

   Width:

   66.8 mm

   Depth:

   9.8 mm +1 mm versus Redmi Note 9S

2. 2. Redmi Note 9S

   Height:

   165.8 mm +38.6 mm versus A90s

   Width:

   76.7 mm +9.9 mm versus A90s

   Depth:

   8.8 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. A90s

   Screen diagonal:

   4.3 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   52.6 cm²

2. 2. Redmi Note 9S

   Screen diagonal:

   6.67 in

   Aspect ratio (height:width):

   20:9

   Approximate rectangular screen area:

   107.4 cm²

Redmi Note 9S has approximately 104.1% more rectangular screen area than A90s.

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.