Asus ROG Phone vs Lenovo A3900

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

  A3900:

  LCD

• Weight

  A3900: 43 g lighter

  ROG Phone:

  200 g

  A3900:

  157 g

• Width

  A3900: 4.4 mm narrower

  ROG Phone:

  76.2 mm

  A3900:

  71.8 mm

• Screen diagonal

  A3900: 1 in smaller diagonal

  ROG Phone:

  6 in

  A3900:

  5 in

• Chipset

  ROG Phone:

  Qualcomm SDM845 Snapdragon 845 (10 nm)

  A3900:

  Mediatek MT6752 (28 nm)

• Rear camera layout

  ROG Phone:

  Dual

  A3900:

  Single

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 +16 mm versus A3900

   Width:

   76.2 mm +4.4 mm versus A3900

   Depth:

   8.3 mm

2. 2. A3900

   Height:

   142.8 mm

   Width:

   71.8 mm

   Depth:

   9 mm +0.7 mm versus ROG Phone

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. A3900

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

ROG Phone has approximately 34.8% more rectangular screen area than A3900.

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.