verykool s4513 Luna II 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

  s4513 Luna II:

  LCD

  Mi 9:

  OLED

• Weight

  s4513 Luna II: 38 g lighter

  s4513 Luna II:

  135 g

  Mi 9:

  173 g

• Width

  s4513 Luna II: 2.7 mm narrower

  s4513 Luna II:

  72 mm

  Mi 9:

  74.7 mm

• Screen diagonal

  s4513 Luna II: 1.89 in smaller diagonal

  s4513 Luna II:

  4.5 in

  Mi 9:

  6.39 in

• Chipset

  s4513 Luna II:

  Spreadtrum SC7731C

  Mi 9:

  Qualcomm SDM855 Snapdragon 855 (7 nm)

• Rear camera layout

  s4513 Luna II:

  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. s4513 Luna II

   Height:

   133 mm

   Width:

   72 mm

   Depth:

   10.2 mm +2.6 mm versus Mi 9

2. 2. Mi 9

   Height:

   157.5 mm +24.5 mm versus s4513 Luna II

   Width:

   74.7 mm +2.7 mm versus s4513 Luna II

   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. s4513 Luna II

   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 s4513 Luna II.

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.