BLU J4 vs LG K20 plus

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

  K20 plus: 18 g lighter

  J4:

  158 g

  K20 plus:

  140 g

• Width

  J4: 2.9 mm narrower

  J4:

  72.3 mm

  K20 plus:

  75.2 mm

• Screen diagonal

  K20 plus: 0.2 in smaller diagonal

  J4:

  5.5 in

  K20 plus:

  5.3 in

• Depth

  K20 plus: 2.1 mm thinner

  J4:

  10 mm

  K20 plus:

  7.9 mm

• Height

  K20 plus: 2.4 mm shorter

  J4:

  151 mm

  K20 plus:

  148.6 mm

• Release year

  J4:

  2019

  K20 plus:

  2016

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 +2.4 mm versus K20 plus

   Width:

   72.3 mm

   Depth:

   10 mm +2.1 mm versus K20 plus

2. 2. K20 plus

   Height:

   148.6 mm

   Width:

   75.2 mm +2.9 mm versus J4

   Depth:

   7.9 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. K20 plus

   Screen diagonal:

   5.3 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   77.4 cm²

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.