BLU J4 vs Celkon Q519

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.

• WeightJ4: 11 g lighterJ4: 158 g · Q519: 169 g
• Screen diagonalQ519: 0.5 in smaller diagonalQ519: 5 in · J4: 5.5 in
• DepthQ519: 0.6 mm thinnerQ519: 9.4 mm · J4: 10 mm
• HeightQ519: 5.8 mm shorterQ519: 145.2 mm · J4: 151 mm
• Release year2019 / 2015J4: 2019 · Q519: 2015

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+5.8 mm versus Q519

   Width

   72.3 mm

   Depth

   10 mm+0.6 mm versus Q519

   Weight

   158 g

2. 2. Q519

   Height

   145.2 mm

   Width

   73.2 mm

   Depth

   9.4 mm

   Weight

   169 g

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 5.5 in · 18:9 About 78.1 cm² rectangular area
2. 2. Q519 5 in · 16:9 About 68.9 cm² rectangular area

J4 has approximately 13.3% more rectangular screen area than Q519.

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.