BLU J2 vs Vodafone 858 Smart

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

  858 Smart: 42 g lighter

  J2:

  146 g

  858 Smart:

  104 g

• Width

  858 Smart: 16.3 mm narrower

  J2:

  73.1 mm

  858 Smart:

  56.8 mm

• Screen diagonal

  858 Smart: 2.2 in smaller diagonal

  J2:

  5 in

  858 Smart:

  2.8 in

• Depth

  J2: 2.3 mm thinner

  J2:

  10.3 mm

  858 Smart:

  12.6 mm

• Height

  858 Smart: 40.2 mm shorter

  J2:

  144 mm

  858 Smart:

  103.8 mm

• Release year

  J2:

  2019

  858 Smart:

  2011

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. J2

   Height:

   144 mm +40.2 mm versus 858 Smart

   Width:

   73.1 mm +16.3 mm versus 858 Smart

   Depth:

   10.3 mm

2. 2. 858 Smart

   Height:

   103.8 mm

   Width:

   56.8 mm

   Depth:

   12.6 mm +2.3 mm versus J2

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. J2

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. 858 Smart

   Screen diagonal:

   2.8 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   24.3 cm²

J2 has approximately 183.9% more rectangular screen area than 858 Smart.

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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.