BLU J7L vs TECNO Spark

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.

• Width

  J7L: 1.7 mm narrower

  J7L:

  74.7 mm

  Spark:

  76.4 mm

• Screen diagonal

  Spark: 0.2 in smaller diagonal

  J7L:

  5.7 in

  Spark:

  5.5 in

• Depth

  Spark: 3 mm thinner

  J7L:

  10.9 mm

  Spark:

  7.9 mm

• Height

  Spark: 2 mm shorter

  J7L:

  155 mm

  Spark:

  153 mm

• Release year

  J7L:

  2020

  Spark:

  2017

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. J7L

   Height:

   155 mm +2 mm versus Spark

   Width:

   74.7 mm

   Depth:

   10.9 mm +3 mm versus Spark

2. 2. Spark

   Height:

   153 mm

   Width:

   76.4 mm +1.7 mm versus J7L

   Depth:

   7.9 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. J7L

   Screen diagonal:

   5.7 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   83.8 cm²

2. 2. Spark

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

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.