HTC Desire 820 vs OnePlus 3T

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

  Desire 820:

  LCD

  3T:

  OLED

• Width

  3T: 4 mm narrower

  Desire 820:

  78.7 mm

  3T:

  74.7 mm

• Chipset

  Desire 820:

  Qualcomm MSM8939 Snapdragon 615 (28 nm)

  3T:

  Qualcomm MSM8996 Snapdragon 821 (14 nm)

• Height

  3T: 5 mm shorter

  Desire 820:

  157.7 mm

  3T:

  152.7 mm

• Release year

  Desire 820:

  2014

  3T:

  2016

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. Desire 820

   Height:

   157.7 mm +5 mm versus 3T

   Width:

   78.7 mm +4 mm versus 3T

   Depth:

   7.7 mm

2. 2. 3T

   Height:

   152.7 mm

   Width:

   74.7 mm

   Depth:

   7.4 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. Desire 820

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

2. 2. 3T

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

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.