Asus ROG Phone 3 vs HTC Desire 820

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

  ROG Phone 3:

  OLED

  Desire 820:

  LCD

• Weight

  Desire 820: 85 g lighter

  ROG Phone 3:

  240 g

  Desire 820:

  155 g

• Screen diagonal

  Desire 820: 1.09 in smaller diagonal

  ROG Phone 3:

  6.59 in

  Desire 820:

  5.5 in

• Rear camera layout

  ROG Phone 3:

  Triple

  Desire 820:

  Single

• Depth

  Desire 820: 2.2 mm thinner

  ROG Phone 3:

  9.9 mm

  Desire 820:

  7.7 mm

• Height

  Desire 820: 13.3 mm shorter

  ROG Phone 3:

  171 mm

  Desire 820:

  157.7 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. ROG Phone 3

   Height:

   171 mm +13.3 mm versus Desire 820

   Width:

   78 mm

   Depth:

   9.9 mm +2.2 mm versus Desire 820

2. 2. Desire 820

   Height:

   157.7 mm

   Width:

   78.7 mm

   Depth:

   7.7 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. ROG Phone 3

   Screen diagonal:

   6.59 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   106.6 cm²

2. 2. Desire 820

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

ROG Phone 3 has approximately 27.8% more rectangular screen area than Desire 820.

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.