Lenovo K9 vs Xiaomi Redmi Note 4

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

  K9: 10 g lighter

  K9:

  155 g

  Redmi Note 4:

  165 g

• Width

  K9: 3.1 mm narrower

  K9:

  72.9 mm

  Redmi Note 4:

  76 mm

• Screen diagonal

  Redmi Note 4: 0.2 in smaller diagonal

  K9:

  5.7 in

  Redmi Note 4:

  5.5 in

• Chipset

  K9:

  Mediatek MT6762 Helio P22 (12 nm)

  Redmi Note 4:

  Qualcomm MSM8953 Snapdragon 625 (14 nm)

• Rear camera layout

  K9:

  Dual

  Redmi Note 4:

  Single

• Depth

  K9: 0.5 mm thinner

  K9:

  8 mm

  Redmi Note 4:

  8.5 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. K9

   Height:

   153.8 mm +2.8 mm versus Redmi Note 4

   Width:

   72.9 mm

   Depth:

   8 mm

2. 2. Redmi Note 4

   Height:

   151 mm

   Width:

   76 mm +3.1 mm versus K9

   Depth:

   8.5 mm +0.5 mm versus K9

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. K9

   Screen diagonal:

   5.7 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   83.8 cm²

2. 2. Redmi Note 4

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

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.