OnePlus 7T 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

  7T:

  OLED

  Y81:

  LCD

• Weight

  Y81: 43.5 g lighter

  7T:

  190 g

  Y81:

  146.5 g

• Screen diagonal

  Y81: 0.33 in smaller diagonal

  7T:

  6.55 in

  Y81:

  6.22 in

• Chipset

  7T:

  Qualcomm SDM855 Snapdragon 855+ (7 nm)

  Y81:

  Mediatek MT6762 Helio P22 (12 nm)

• Rear camera layout

  7T:

  Triple

  Y81:

  Single

• Height

  Y81: 5.8 mm shorter

  7T:

  160.9 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. 7T

   Height:

   160.9 mm +5.8 mm versus Y81

   Width:

   74.4 mm

   Depth:

   8.1 mm

2. 2. Y81

   Height:

   155.1 mm

   Width:

   75 mm

   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. 7T

   Screen diagonal:

   6.55 in

   Aspect ratio (height:width):

   20:9

   Approximate rectangular screen area:

   103.6 cm²

2. 2. Y81

   Screen diagonal:

   6.22 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   96.6 cm²

7T has approximately 7.3% more rectangular screen area than Y81.

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.