NIU Tek 4D2 vs Xiaomi Mi 9 Pro 5G

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

  Tek 4D2: 44 g lighter

  Tek 4D2:

  152 g

  Mi 9 Pro 5G:

  196 g

• Width

  Tek 4D2: 11.6 mm narrower

  Tek 4D2:

  63 mm

  Mi 9 Pro 5G:

  74.6 mm

• Screen diagonal

  Tek 4D2: 2.39 in smaller diagonal

  Tek 4D2:

  4 in

  Mi 9 Pro 5G:

  6.39 in

• Chipset

  Tek 4D2:

  Mediatek MT6572M (28 nm)

  Mi 9 Pro 5G:

  Qualcomm SDM855 Snapdragon 855+ (7 nm)

• Rear camera layout

  Tek 4D2:

  Single

  Mi 9 Pro 5G:

  Triple

• Depth

  Mi 9 Pro 5G: 1.8 mm thinner

  Tek 4D2:

  10.3 mm

  Mi 9 Pro 5G:

  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. Tek 4D2

   Height:

   123 mm

   Width:

   63 mm

   Depth:

   10.3 mm +1.8 mm versus Mi 9 Pro 5G

2. 2. Mi 9 Pro 5G

   Height:

   157.2 mm +34.2 mm versus Tek 4D2

   Width:

   74.6 mm +11.6 mm versus Tek 4D2

   Depth:

   8.5 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. Tek 4D2

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

2. 2. Mi 9 Pro 5G

   Screen diagonal:

   6.39 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   100.2 cm²

Mi 9 Pro 5G has approximately 120.1% more rectangular screen area than Tek 4D2.

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.