Samsung S5780 Wave 578 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.

• Weight

  S5780 Wave 578: 73.2 g lighter

  S5780 Wave 578:

  99.8 g

  Mi 9:

  173 g

• Width

  S5780 Wave 578: 19.8 mm narrower

  S5780 Wave 578:

  54.9 mm

  Mi 9:

  74.7 mm

• Screen diagonal

  S5780 Wave 578: 3.19 in smaller diagonal

  S5780 Wave 578:

  3.2 in

  Mi 9:

  6.39 in

• Rear camera layout

  S5780 Wave 578:

  Single

  Mi 9:

  Triple

• Depth

  Mi 9: 4.9 mm thinner

  S5780 Wave 578:

  12.5 mm

  Mi 9:

  7.6 mm

• Height

  S5780 Wave 578: 49.6 mm shorter

  S5780 Wave 578:

  107.9 mm

  Mi 9:

  157.5 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. S5780 Wave 578

   Height:

   107.9 mm

   Width:

   54.9 mm

   Depth:

   12.5 mm +4.9 mm versus Mi 9

2. 2. Mi 9

   Height:

   157.5 mm +49.6 mm versus S5780 Wave 578

   Width:

   74.7 mm +19.8 mm versus S5780 Wave 578

   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. S5780 Wave 578

   Screen diagonal:

   3.2 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   29.1 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 243.9% more rectangular screen area than S5780 Wave 578.

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.