HTC One A9 vs Xiaomi Redmi S2

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

  One A9:

  OLED

  Redmi S2:

  LCD

• Weight

  One A9: 27 g lighter

  One A9:

  143 g

  Redmi S2:

  170 g

• Width

  One A9: 6.5 mm narrower

  One A9:

  70.8 mm

  Redmi S2:

  77.3 mm

• Screen diagonal

  One A9: 0.99 in smaller diagonal

  One A9:

  5 in

  Redmi S2:

  5.99 in

• Chipset

  One A9:

  Qualcomm MSM8952 Snapdragon 617 (28 nm)

  Redmi S2:

  Qualcomm MSM8953 Snapdragon 625 (14 nm)

• Rear camera layout

  One A9:

  Single

  Redmi S2:

  Dual

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. One A9

   Height:

   145.8 mm

   Width:

   70.8 mm

   Depth:

   7.3 mm

2. 2. Redmi S2

   Height:

   160.7 mm +14.9 mm versus One A9

   Width:

   77.3 mm +6.5 mm versus One A9

   Depth:

   8.1 mm +0.8 mm versus One A9

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. One A9

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. Redmi S2

   Screen diagonal:

   5.99 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   92.6 cm²

Redmi S2 has approximately 34.4% more rectangular screen area than One A9.

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.