Samsung Galaxy M40 vs Xiaomi Redmi Note 7S

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.

• Weight

  Galaxy M40: 18 g lighter

  Galaxy M40:

  168 g

  Redmi Note 7S:

  186 g

• Width

  Galaxy M40: 1.3 mm narrower

  Galaxy M40:

  73.9 mm

  Redmi Note 7S:

  75.2 mm

• Chipset

  Galaxy M40:

  Qualcomm SDM675 Snapdragon 675 (11 nm)

  Redmi Note 7S:

  Qualcomm SDM660 Snapdragon 660 (14 nm)

• Rear camera layout

  Galaxy M40:

  Triple

  Redmi Note 7S:

  Dual

• Height

  Galaxy M40: 3.9 mm shorter

  Galaxy M40:

  155.3 mm

  Redmi Note 7S:

  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 M40

   Height:

   155.3 mm

   Width:

   73.9 mm

   Depth:

   7.9 mm

2. 2. Redmi Note 7S

   Height:

   159.2 mm +3.9 mm versus Galaxy M40

   Width:

   75.2 mm +1.3 mm versus Galaxy M40

   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 M40

   Screen diagonal:

   6.3 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   97.4 cm²

2. 2. Redmi Note 7S

   Screen diagonal:

   6.3 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   97.4 cm²

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.