Plum Check Plus vs Xiaomi Mi 9

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

  Check Plus:

  LCD

  Mi 9:

  OLED

• Weight

  Check Plus: 31 g lighter

  Check Plus:

  142 g

  Mi 9:

  173 g

• Width

  Check Plus: 11.3 mm narrower

  Check Plus:

  63.4 mm

  Mi 9:

  74.7 mm

• Screen diagonal

  Check Plus: 1.89 in smaller diagonal

  Check Plus:

  4.5 in

  Mi 9:

  6.39 in

• Chipset

  Check Plus:

  Mediatek MT6572M (28 nm)

  Mi 9:

  Qualcomm SDM855 Snapdragon 855 (7 nm)

• Rear camera layout

  Check Plus:

  Single

  Mi 9:

  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. Check Plus

   Height:

   130 mm

   Width:

   63.4 mm

   Depth:

   9.2 mm +1.6 mm versus Mi 9

2. 2. Mi 9

   Height:

   157.5 mm +27.5 mm versus Check Plus

   Width:

   74.7 mm +11.3 mm versus Check Plus

   Depth:

   7.6 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. Check Plus

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

2. 2. Mi 9

   Screen diagonal:

   6.39 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   100.2 cm²

Mi 9 has approximately 79.5% more rectangular screen area than Check Plus.

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.