BLU J4 vs Celkon Q500 Millennium Ultra

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

  Q500 Millennium Ultra: 9 g lighter

  J4:

  158 g

  Q500 Millennium Ultra:

  149 g

• Screen diagonal

  Q500 Millennium Ultra: 0.5 in smaller diagonal

  J4:

  5.5 in

  Q500 Millennium Ultra:

  5 in

• Depth

  Q500 Millennium Ultra: 2 mm thinner

  J4:

  10 mm

  Q500 Millennium Ultra:

  8 mm

• Height

  Q500 Millennium Ultra: 5.4 mm shorter

  J4:

  151 mm

  Q500 Millennium Ultra:

  145.6 mm

• Release year

  J4:

  2019

  Q500 Millennium Ultra:

  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. J4

   Height:

   151 mm +5.4 mm versus Q500 Millennium Ultra

   Width:

   72.3 mm

   Depth:

   10 mm +2 mm versus Q500 Millennium Ultra

2. 2. Q500 Millennium Ultra

   Height:

   145.6 mm

   Width:

   71.8 mm

   Depth:

   8 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. J4

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   78.1 cm²

2. 2. Q500 Millennium Ultra

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

J4 has approximately 13.3% more rectangular screen area than Q500 Millennium Ultra.

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.