Asus ROG Phone vs Oppo A9

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:

  OLED

  A9:

  LCD

• Weight

  A9: 10 g lighter

  ROG Phone:

  200 g

  A9:

  190 g

• Screen diagonal

  ROG Phone: 0.53 in smaller diagonal

  ROG Phone:

  6 in

  A9:

  6.53 in

• Memory variants

  At 128 GB storage

  ROG Phone:

  8 GB RAM

  A9:

  6 GB RAM

• Chipset

  ROG Phone:

  Qualcomm SDM845 Snapdragon 845 (10 nm)

  A9:

  Mediatek Helio P70 (12nm)

• Height

  ROG Phone: 3.2 mm shorter

  ROG Phone:

  158.8 mm

  A9:

  162 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

   Height:

   158.8 mm

   Width:

   76.2 mm

   Depth:

   8.3 mm

2. 2. A9

   Height:

   162 mm +3.2 mm versus ROG Phone

   Width:

   76.1 mm

   Depth:

   8.3 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

   Screen diagonal:

   6 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   92.9 cm²

2. 2. A9

   Screen diagonal:

   6.53 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   104.7 cm²

A9 has approximately 12.7% more rectangular screen area than ROG Phone.

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.