BLU J4 vs Lava Iris 400s

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.

• WidthIris 400s: 8.3 mm narrowerIris 400s: 64 mm · J4: 72.3 mm
• Screen diagonalIris 400s: 1.5 in smaller diagonalIris 400s: 4 in · J4: 5.5 in
• HeightIris 400s: 26 mm shorterIris 400s: 125 mm · J4: 151 mm
• Release year2019 / 2014J4: 2019 · Iris 400s: 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+26 mm versus Iris 400s

   Width

   72.3 mm+8.3 mm versus Iris 400s

   Depth

   10 mm

   Weight

   158 g

2. 2. Iris 400s

   Height

   125 mm

   Width

   64 mm

   Depth

   10.2 mm

   Weight

   Unknown

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. Iris 400s 4 in · 5:3 About 45.5 cm² rectangular area

J4 has approximately 71.4% more rectangular screen area than Iris 400s.

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.