BLU Advance 4.0 M vs BLU J2

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

  Advance 4.0 M: 32 g lighter

  Advance 4.0 M:

  114 g

  J2:

  146 g

• Width

  Advance 4.0 M: 11.6 mm narrower

  Advance 4.0 M:

  61.5 mm

  J2:

  73.1 mm

• Screen diagonal

  Advance 4.0 M: 1 in smaller diagonal

  Advance 4.0 M:

  4 in

  J2:

  5 in

• Height

  Advance 4.0 M: 20.4 mm shorter

  Advance 4.0 M:

  123.6 mm

  J2:

  144 mm

• Release year

  Advance 4.0 M:

  2016

  J2:

  2019

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. Advance 4.0 M

   Height:

   123.6 mm

   Width:

   61.5 mm

   Depth:

   10.3 mm

2. 2. J2

   Height:

   144 mm +20.4 mm versus Advance 4.0 M

   Width:

   73.1 mm +11.6 mm versus Advance 4.0 M

   Depth:

   10.3 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. Advance 4.0 M

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

2. 2. J2

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

J2 has approximately 51.3% more rectangular screen area than Advance 4.0 M.

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.