Xiaomi Redmi 1S vs Xiaomi Redmi K20

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

  Redmi 1S:

  LCD

  Redmi K20:

  OLED

• Weight

  Redmi 1S: 33 g lighter

  Redmi 1S:

  158 g

  Redmi K20:

  191 g

• Width

  Redmi 1S: 5.3 mm narrower

  Redmi 1S:

  69 mm

  Redmi K20:

  74.3 mm

• Screen diagonal

  Redmi 1S: 1.69 in smaller diagonal

  Redmi 1S:

  4.7 in

  Redmi K20:

  6.39 in

• Chipset

  Redmi 1S:

  Qualcomm MSM8228 Snapdragon 400 (28 nm)

  Redmi K20:

  Qualcomm SDM730 Snapdragon 730 (8 nm)

• Rear camera layout

  Redmi 1S:

  Single

  Redmi K20:

  Triple

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. Redmi 1S

   Height:

   137 mm

   Width:

   69 mm

   Depth:

   9.9 mm +1.1 mm versus Redmi K20

2. 2. Redmi K20

   Height:

   156.7 mm +19.7 mm versus Redmi 1S

   Width:

   74.3 mm +5.3 mm versus Redmi 1S

   Depth:

   8.8 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. Redmi 1S

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   60.9 cm²

2. 2. Redmi K20

   Screen diagonal:

   6.39 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   100.2 cm²

Redmi K20 has approximately 64.6% more rectangular screen area than Redmi 1S.

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.