BlackBerry Keyone vs Spice Stellar 509 (Mi-509)

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

  Stellar 509 (Mi-509): 60 g lighter

  Keyone:

  180 g

  Stellar 509 (Mi-509):

  120 g

• Width

  Keyone: 6.6 mm narrower

  Keyone:

  72.4 mm

  Stellar 509 (Mi-509):

  79 mm

• Screen diagonal

  Keyone: 0.5 in smaller diagonal

  Keyone:

  4.5 in

  Stellar 509 (Mi-509):

  5 in

• Chipset

  Keyone:

  Qualcomm MSM8953 Snapdragon 625 (14 nm)

  Stellar 509 (Mi-509):

  Mediatek MT6582M (28 nm)

• Height

  Stellar 509 (Mi-509): 4.1 mm shorter

  Keyone:

  149.1 mm

  Stellar 509 (Mi-509):

  145 mm

• Release year

  Keyone:

  2017

  Stellar 509 (Mi-509):

  2014

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. Keyone

   Height:

   149.1 mm +4.1 mm versus Stellar 509 (Mi-509)

   Width:

   72.4 mm

   Depth:

   9.4 mm

2. 2. Stellar 509 (Mi-509)

   Height:

   145 mm

   Width:

   79 mm +6.6 mm versus Keyone

   Depth:

   9.5 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. Keyone

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   60.3 cm²

2. 2. Stellar 509 (Mi-509)

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

Stellar 509 (Mi-509) has approximately 14.3% more rectangular screen area than Keyone.

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.