Amazon Fire Phone vs Samsung Galaxy A31

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.

• Display technology

  OLED versus LCD

  Fire Phone:

  LCD

  Galaxy A31:

  OLED

• Weight

  Fire Phone: 25 g lighter

  Fire Phone:

  160 g

  Galaxy A31:

  185 g

• Width

  Fire Phone: 6.6 mm narrower

  Fire Phone:

  66.5 mm

  Galaxy A31:

  73.1 mm

• Screen diagonal

  Fire Phone: 1.7 in smaller diagonal

  Fire Phone:

  4.7 in

  Galaxy A31:

  6.4 in

• Memory variants

  At 64 GB storage

  Fire Phone:

  2 GB RAM

  Galaxy A31:

  4 GB RAM

• Rear camera layout

  Fire Phone:

  Single

  Galaxy A31:

  Quad

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. Fire Phone

   Height:

   139.2 mm

   Width:

   66.5 mm

   Depth:

   8.9 mm

2. 2. Galaxy A31

   Height:

   159.3 mm +20.1 mm versus Fire Phone

   Width:

   73.1 mm +6.6 mm versus Fire Phone

   Depth:

   8.6 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. Fire Phone

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   60.9 cm²

2. 2. Galaxy A31

   Screen diagonal:

   6.4 in

   Aspect ratio (height:width):

   20:9

   Approximate rectangular screen area:

   98.9 cm²

Galaxy A31 has approximately 62.4% more rectangular screen area than Fire Phone.

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.