HTC One S9 vs Xiaomi Redmi 8A Dual

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

  One S9: 30 g lighter

  One S9:

  158 g

  Redmi 8A Dual:

  188 g

• Width

  One S9: 5.7 mm narrower

  One S9:

  69.7 mm

  Redmi 8A Dual:

  75.4 mm

• Screen diagonal

  One S9: 1.22 in smaller diagonal

  One S9:

  5 in

  Redmi 8A Dual:

  6.22 in

• Chipset

  One S9:

  Mediatek MT6795 Helio X10 (28 nm)

  Redmi 8A Dual:

  Qualcomm SDM439 Snapdragon 439 (12 nm)

• Rear camera layout

  One S9:

  Single

  Redmi 8A Dual:

  Dual

• Depth

  Redmi 8A Dual: 0.7 mm thinner

  One S9:

  10.1 mm

  Redmi 8A Dual:

  9.4 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. One S9

   Height:

   144.6 mm

   Width:

   69.7 mm

   Depth:

   10.1 mm +0.7 mm versus Redmi 8A Dual

2. 2. Redmi 8A Dual

   Height:

   156.5 mm +11.9 mm versus One S9

   Width:

   75.4 mm +5.7 mm versus One S9

   Depth:

   9.4 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. One S9

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. Redmi 8A Dual

   Screen diagonal:

   6.22 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   96.6 cm²

Redmi 8A Dual has approximately 40.1% more rectangular screen area than One S9.

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.