Asus Zenfone 3 ZE520KL 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.

• Weight

  Zenfone 3 ZE520KL: 65 g lighter

  Zenfone 3 ZE520KL:

  144 g

  Redmi Note 9S:

  209 g

• Width

  Zenfone 3 ZE520KL: 2.7 mm narrower

  Zenfone 3 ZE520KL:

  74 mm

  Redmi Note 9S:

  76.7 mm

• Screen diagonal

  Zenfone 3 ZE520KL: 1.47 in smaller diagonal

  Zenfone 3 ZE520KL:

  5.2 in

  Redmi Note 9S:

  6.67 in

• Chipset

  Zenfone 3 ZE520KL:

  Qualcomm MSM8953 Snapdragon 625 (14 nm)

  Redmi Note 9S:

  Qualcomm SM7125 Snapdragon 720G (8 nm)

• Rear camera layout

  Zenfone 3 ZE520KL:

  Single

  Redmi Note 9S:

  Quad

• Depth

  Zenfone 3 ZE520KL: 1.1 mm thinner

  Zenfone 3 ZE520KL:

  7.7 mm

  Redmi Note 9S:

  8.8 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. Zenfone 3 ZE520KL

   Height:

   146.9 mm

   Width:

   74 mm

   Depth:

   7.7 mm

2. 2. Redmi Note 9S

   Height:

   165.8 mm +18.9 mm versus Zenfone 3 ZE520KL

   Width:

   76.7 mm +2.7 mm versus Zenfone 3 ZE520KL

   Depth:

   8.8 mm +1.1 mm versus Zenfone 3 ZE520KL

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. Zenfone 3 ZE520KL

   Screen diagonal:

   5.2 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   74.5 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 44.1% more rectangular screen area than Zenfone 3 ZE520KL.

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.