BLU Energy Diamond vs Lava A51

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

  A51: 5.5 mm narrower

  Energy Diamond:

  71.5 mm

  A51:

  66 mm

• Screen diagonal

  A51: 0.5 in smaller diagonal

  Energy Diamond:

  5 in

  A51:

  4.5 in

• Chipset

  Energy Diamond:

  Mediatek MT6580 (28 nm)

  A51:

  Spreadtrum SC7731C

• Depth

  A51: 2.8 mm thinner

  Energy Diamond:

  12.7 mm

  A51:

  9.9 mm

• Height

  A51: 11.5 mm shorter

  Energy Diamond:

  147.5 mm

  A51:

  136 mm

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. Energy Diamond

   Height:

   147.5 mm +11.5 mm versus A51

   Width:

   71.5 mm +5.5 mm versus A51

   Depth:

   12.7 mm +2.8 mm versus A51

   Weight:

   184 g

2. 2. A51

   Height:

   136 mm

   Width:

   66 mm

   Depth:

   9.9 mm

   Weight:

   Unknown

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. Energy Diamond

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. A51

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

Energy Diamond has approximately 23.5% more rectangular screen area than A51.

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.