Acer beTouch E400 vs BLU J4

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

  beTouch E400: 33 g lighter

  beTouch E400:

  125 g

  J4:

  158 g

• Width

  beTouch E400: 13 mm narrower

  beTouch E400:

  59.3 mm

  J4:

  72.3 mm

• Screen diagonal

  beTouch E400: 2.3 in smaller diagonal

  beTouch E400:

  3.2 in

  J4:

  5.5 in

• Depth

  J4: 2 mm thinner

  beTouch E400:

  12 mm

  J4:

  10 mm

• Height

  beTouch E400: 36 mm shorter

  beTouch E400:

  115 mm

  J4:

  151 mm

• Release year

  beTouch E400:

  2010

  J4:

  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. beTouch E400

   Height:

   115 mm

   Width:

   59.3 mm

   Depth:

   12 mm +2 mm versus J4

2. 2. J4

   Height:

   151 mm +36 mm versus beTouch E400

   Width:

   72.3 mm +13 mm versus beTouch E400

   Depth:

   10 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. beTouch E400

   Screen diagonal:

   3.2 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   30.5 cm²

2. 2. J4

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   78.1 cm²

J4 has approximately 156% more rectangular screen area than beTouch E400.

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.