Apple iPhone 12 vs Asus ROG Phone 3

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

  iPhone 12: 76 g lighter

  iPhone 12:

  164 g

  ROG Phone 3:

  240 g

• Width

  iPhone 12: 6.5 mm narrower

  iPhone 12:

  71.5 mm

  ROG Phone 3:

  78 mm

• Screen diagonal

  iPhone 12: 0.49 in smaller diagonal

  iPhone 12:

  6.1 in

  ROG Phone 3:

  6.59 in

• Memory variants

  At 128 GB storage

  iPhone 12:

  4 GB RAM

  ROG Phone 3:

  12 GB RAM

• Rear camera layout

  iPhone 12:

  Dual

  ROG Phone 3:

  Triple

• Depth

  iPhone 12: 2.5 mm thinner

  iPhone 12:

  7.4 mm

  ROG Phone 3:

  9.9 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. iPhone 12

   Height:

   146.7 mm

   Width:

   71.5 mm

   Depth:

   7.4 mm

2. 2. ROG Phone 3

   Height:

   171 mm +24.3 mm versus iPhone 12

   Width:

   78 mm +6.5 mm versus iPhone 12

   Depth:

   9.9 mm +2.5 mm versus iPhone 12

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. iPhone 12

   Screen diagonal:

   6.1 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   91.3 cm²

2. 2. ROG Phone 3

   Screen diagonal:

   6.59 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   106.6 cm²

ROG Phone 3 has approximately 16.7% more rectangular screen area than iPhone 12.

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.