BLU J4 vs T-Mobile Prism

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.

• WeightPrism: 33 g lighterPrism: 125 g · J4: 158 g
• WidthPrism: 12.1 mm narrowerPrism: 60.2 mm · J4: 72.3 mm
• Screen diagonalPrism: 2 in smaller diagonalPrism: 3.5 in · J4: 5.5 in
• DepthJ4: 2.2 mm thinnerJ4: 10 mm · Prism: 12.2 mm
• HeightPrism: 34.7 mm shorterPrism: 116.3 mm · J4: 151 mm
• Release year2019 / 2012J4: 2019 · Prism: 2012

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+34.7 mm versus Prism

   Width

   72.3 mm+12.1 mm versus Prism

   Depth

   10 mm

   Weight

   158 g

2. 2. Prism

   Height

   116.3 mm

   Width

   60.2 mm

   Depth

   12.2 mm+2.2 mm versus J4

   Weight

   125 g

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 5.5 in · 18:9 About 78.1 cm² rectangular area
2. 2. Prism 3.5 in · 3:2 About 36.5 cm² rectangular area

J4 has approximately 114% more rectangular screen area than Prism.

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.