Samsung Galaxy A40 vs Xiaomi Redmi Note 3 (MediaTek)

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 A40:

  OLED

  Redmi Note 3 (MediaTek):

  LCD

• Weight

  Galaxy A40: 24 g lighter

  Galaxy A40:

  140 g

  Redmi Note 3 (MediaTek):

  164 g

• Width

  Galaxy A40: 6.8 mm narrower

  Galaxy A40:

  69.2 mm

  Redmi Note 3 (MediaTek):

  76 mm

• Screen diagonal

  Redmi Note 3 (MediaTek): 0.4 in smaller diagonal

  Galaxy A40:

  5.9 in

  Redmi Note 3 (MediaTek):

  5.5 in

• Chipset

  Galaxy A40:

  Exynos 7904 (14 nm)

  Redmi Note 3 (MediaTek):

  Mediatek MT6795 Helio X10 (28 nm)

• Rear camera layout

  Galaxy A40:

  Dual

  Redmi Note 3 (MediaTek):

  Single

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 A40

   Height:

   144.4 mm

   Width:

   69.2 mm

   Depth:

   7.9 mm

2. 2. Redmi Note 3 (MediaTek)

   Height:

   150 mm +5.6 mm versus Galaxy A40

   Width:

   76 mm +6.8 mm versus Galaxy A40

   Depth:

   8.7 mm +0.8 mm versus Galaxy A40

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 A40

   Screen diagonal:

   5.9 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   85.5 cm²

2. 2. Redmi Note 3 (MediaTek)

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

Galaxy A40 has approximately 2.5% more rectangular screen area than Redmi Note 3 (MediaTek).

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.