Samsung Galaxy J vs vivo Y81

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

  Galaxy J:

  OLED

  Y81:

  LCD

• Width

  Galaxy J: 5 mm narrower

  Galaxy J:

  70 mm

  Y81:

  75 mm

• Screen diagonal

  Galaxy J: 1.22 in smaller diagonal

  Galaxy J:

  5 in

  Y81:

  6.22 in

• Chipset

  Galaxy J:

  Qualcomm MSM8974 Snapdragon 800 (28 nm)

  Y81:

  Mediatek MT6762 Helio P22 (12 nm)

• Depth

  Y81: 0.8 mm thinner

  Galaxy J:

  8.6 mm

  Y81:

  7.8 mm

• Height

  Galaxy J: 18.1 mm shorter

  Galaxy J:

  137 mm

  Y81:

  155.1 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. Galaxy J

   Height:

   137 mm

   Width:

   70 mm

   Depth:

   8.6 mm +0.8 mm versus Y81

2. 2. Y81

   Height:

   155.1 mm +18.1 mm versus Galaxy J

   Width:

   75 mm +5 mm versus Galaxy J

   Depth:

   7.8 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. Galaxy J

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. Y81

   Screen diagonal:

   6.22 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   96.6 cm²

Y81 has approximately 40.1% more rectangular screen area than Galaxy J.

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.