BLU J4 vs Lava Iris Pro 20

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.

• WeightIris Pro 20: 46 g lighterIris Pro 20: 112 g · J4: 158 g
• WidthIris Pro 20: 4.8 mm narrowerIris Pro 20: 67.5 mm · J4: 72.3 mm
• Screen diagonalIris Pro 20: 0.8 in smaller diagonalIris Pro 20: 4.7 in · J4: 5.5 in
• DepthIris Pro 20: 2.3 mm thinnerIris Pro 20: 7.7 mm · J4: 10 mm
• HeightIris Pro 20: 13 mm shorterIris Pro 20: 138 mm · J4: 151 mm
• Release year2019 / 2014J4: 2019 · Iris Pro 20: 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+13 mm versus Iris Pro 20

   Width

   72.3 mm+4.8 mm versus Iris Pro 20

   Depth

   10 mm+2.3 mm versus Iris Pro 20

   Weight

   158 g

2. 2. Iris Pro 20

   Height

   138 mm

   Width

   67.5 mm

   Depth

   7.7 mm

   Weight

   112 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. Iris Pro 20 4.7 in · 16:9 About 60.9 cm² rectangular area

J4 has approximately 28.2% more rectangular screen area than Iris Pro 20.

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.