BLU J2 vs Fujitsu Siemens T830

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

  J2: 44 g lighter

  J2:

  146 g

  Siemens T830:

  190 g

• Width

  Siemens T830: 9.1 mm narrower

  J2:

  73.1 mm

  Siemens T830:

  64 mm

• Screen diagonal

  Siemens T830: 2.6 in smaller diagonal

  J2:

  5 in

  Siemens T830:

  2.4 in

• Depth

  J2: 10.7 mm thinner

  J2:

  10.3 mm

  Siemens T830:

  21 mm

• Height

  Siemens T830: 18 mm shorter

  J2:

  144 mm

  Siemens T830:

  126 mm

• Release year

  J2:

  2019

  Siemens T830:

  2006

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 +18 mm versus Siemens T830

   Width:

   73.1 mm +9.1 mm versus Siemens T830

   Depth:

   10.3 mm

2. 2. Siemens T830

   Height:

   126 mm

   Width:

   64 mm

   Depth:

   21 mm +10.7 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. Siemens T830

   Screen diagonal:

   2.4 in

   Aspect ratio (height:width):

   1:1

   Approximate rectangular screen area:

   18.6 cm²

J2 has approximately 270.9% more rectangular screen area than Siemens T830.

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.