Asus ROG Phone 3 vs Samsung Galaxy M30

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

  Galaxy M30: 2.9 mm narrower

  ROG Phone 3:

  78 mm

  Galaxy M30:

  75.1 mm

• Depth

  Galaxy M30: 1.5 mm thinner

  ROG Phone 3:

  9.9 mm

  Galaxy M30:

  8.4 mm

• Height

  Galaxy M30: 12 mm shorter

  ROG Phone 3:

  171 mm

  Galaxy M30:

  159 mm

• Release year

  ROG Phone 3:

  2020

  Galaxy M30:

  2019

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 +12 mm versus Galaxy M30

   Width:

   78 mm +2.9 mm versus Galaxy M30

   Depth:

   9.9 mm +1.5 mm versus Galaxy M30

   Weight:

   240 g

2. 2. Galaxy M30

   Height:

   159 mm

   Width:

   75.1 mm

   Depth:

   8.4 mm

   Weight:

   Unknown

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. Galaxy M30

   Screen diagonal:

   6.4 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   100.5 cm²

ROG Phone 3 has approximately 6% more rectangular screen area than Galaxy M30.

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.