Xiaomi Redmi 4X vs ZTE Nubia Z9

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

  Redmi 4X: 42 g lighter

  Redmi 4X:

  150 g

  Nubia Z9:

  192 g

• Width

  Nubia Z9: 1.7 mm narrower

  Redmi 4X:

  70 mm

  Nubia Z9:

  68.3 mm

• Screen diagonal

  Redmi 4X: 0.2 in smaller diagonal

  Redmi 4X:

  5 in

  Nubia Z9:

  5.2 in

• Chipset

  Redmi 4X:

  Qualcomm MSM8940 Snapdragon 435 (28 nm)

  Nubia Z9:

  Qualcomm MSM8994 Snapdragon 810 (20 nm)

• Height

  Redmi 4X: 8.2 mm shorter

  Redmi 4X:

  139.2 mm

  Nubia Z9:

  147.4 mm

• Release year

  Redmi 4X:

  2017

  Nubia Z9:

  2015

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 4X

   Height:

   139.2 mm

   Width:

   70 mm +1.7 mm versus Nubia Z9

   Depth:

   8.7 mm

2. 2. Nubia Z9

   Height:

   147.4 mm +8.2 mm versus Redmi 4X

   Width:

   68.3 mm

   Depth:

   8.9 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 4X

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. Nubia Z9

   Screen diagonal:

   5.2 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   74.5 cm²

Nubia Z9 has approximately 8.2% more rectangular screen area than Redmi 4X.

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.