LG Optimus Black (White version) vs Motorola FIRE XT

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

  FIRE XT: 24.7 g lighter

  Optimus Black (White version):

  109 g

  FIRE XT:

  84.3 g

• Width

  FIRE XT: 2 mm narrower

  Optimus Black (White version):

  64 mm

  FIRE XT:

  62 mm

• Screen diagonal

  FIRE XT: 0.5 in smaller diagonal

  Optimus Black (White version):

  4 in

  FIRE XT:

  3.5 in

• Chipset

  Optimus Black (White version):

  TI OMAP 3630

  FIRE XT:

  Qualcomm MSM7227T-1 Snapdragon S1

• Depth

  Optimus Black (White version): 2.8 mm thinner

  Optimus Black (White version):

  9.2 mm

  FIRE XT:

  12 mm

• Height

  FIRE XT: 8 mm shorter

  Optimus Black (White version):

  122 mm

  FIRE XT:

  114 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. Optimus Black (White version)

   Height:

   122 mm +8 mm versus FIRE XT

   Width:

   64 mm +2 mm versus FIRE XT

   Depth:

   9.2 mm

2. 2. FIRE XT

   Height:

   114 mm

   Width:

   62 mm

   Depth:

   12 mm +2.8 mm versus Optimus Black (White version)

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. Optimus Black (White version)

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

2. 2. FIRE XT

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   36.5 cm²

Optimus Black (White version) has approximately 24.8% more rectangular screen area than FIRE XT.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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.