HTC One E9 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.

• Width

  Y81: 1.5 mm narrower

  One E9:

  76.5 mm

  Y81:

  75 mm

• Screen diagonal

  One E9: 0.72 in smaller diagonal

  One E9:

  5.5 in

  Y81:

  6.22 in

• Chipset

  One E9:

  Mediatek MT6795M Helio X10 (28 nm)

  Y81:

  Mediatek MT6762 Helio P22 (12 nm)

• Release year

  One E9:

  2015

  Y81:

  2018

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. One E9

   Height:

   156.5 mm

   Width:

   76.5 mm +1.5 mm versus Y81

   Depth:

   7.5 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. One E9

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 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 15.8% more rectangular screen area than One E9.

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.