Spice Stellar 509 (Mi-509) vs vivo X9

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

  Stellar 509 (Mi-509):

  LCD

  X9:

  OLED

• Weight

  Stellar 509 (Mi-509): 34 g lighter

  Stellar 509 (Mi-509):

  120 g

  X9:

  154 g

• Width

  X9: 5 mm narrower

  Stellar 509 (Mi-509):

  79 mm

  X9:

  74 mm

• Screen diagonal

  Stellar 509 (Mi-509): 0.5 in smaller diagonal

  Stellar 509 (Mi-509):

  5 in

  X9:

  5.5 in

• Chipset

  Stellar 509 (Mi-509):

  Mediatek MT6582M (28 nm)

  X9:

  Qualcomm MSM8953 Snapdragon 625 (14 nm)

• Depth

  X9: 2.5 mm thinner

  Stellar 509 (Mi-509):

  9.5 mm

  X9:

  7 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. Stellar 509 (Mi-509)

   Height:

   145 mm

   Width:

   79 mm +5 mm versus X9

   Depth:

   9.5 mm +2.5 mm versus X9

2. 2. X9

   Height:

   152.6 mm +7.6 mm versus Stellar 509 (Mi-509)

   Width:

   74 mm

   Depth:

   7 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. Stellar 509 (Mi-509)

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. X9

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

X9 has approximately 21% more rectangular screen area than Stellar 509 (Mi-509).

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.