Asus ROG Phone 3 vs Huawei Mate 20 X

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.

• Weight

  Mate 20 X: 8 g lighter

  ROG Phone 3:

  240 g

  Mate 20 X:

  232 g

• Width

  ROG Phone 3: 7.4 mm narrower

  ROG Phone 3:

  78 mm

  Mate 20 X:

  85.4 mm

• Screen diagonal

  ROG Phone 3: 0.61 in smaller diagonal

  ROG Phone 3:

  6.59 in

  Mate 20 X:

  7.2 in

• Memory variants

  At 128 GB storage

  ROG Phone 3:

  12 GB RAM

  Mate 20 X:

  6 GB RAM

• Depth

  Mate 20 X: 1.7 mm thinner

  ROG Phone 3:

  9.9 mm

  Mate 20 X:

  8.2 mm

• Height

  ROG Phone 3: 3.6 mm shorter

  ROG Phone 3:

  171 mm

  Mate 20 X:

  174.6 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

   Width:

   78 mm

   Depth:

   9.9 mm +1.7 mm versus Mate 20 X

2. 2. Mate 20 X

   Height:

   174.6 mm +3.6 mm versus ROG Phone 3

   Width:

   85.4 mm +7.4 mm versus ROG Phone 3

   Depth:

   8.2 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. Mate 20 X

   Screen diagonal:

   7.2 in

   Aspect ratio (height:width):

   18.7:9

   Approximate rectangular screen area:

   130.7 cm²

Mate 20 X has approximately 22.6% more rectangular screen area than ROG Phone 3.

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.