Garmin-Asus nuvifone M20 vs Oppo A91

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

  nuvifone M20: 73 g lighter

  nuvifone M20:

  99 g

  A91:

  172 g

• Width

  nuvifone M20: 20.8 mm narrower

  nuvifone M20:

  52.5 mm

  A91:

  73.3 mm

• Screen diagonal

  nuvifone M20: 3.6 in smaller diagonal

  nuvifone M20:

  2.8 in

  A91:

  6.4 in

• Chipset

  nuvifone M20:

  Qualcomm MSM7200A

  A91:

  Mediatek MT6771V Helio P70 (12nm)

• Rear camera layout

  nuvifone M20:

  Single

  A91:

  Quad

• Depth

  A91: 4.9 mm thinner

  nuvifone M20:

  12.8 mm

  A91:

  7.9 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. nuvifone M20

   Height:

   95.3 mm

   Width:

   52.5 mm

   Depth:

   12.8 mm +4.9 mm versus A91

2. 2. A91

   Height:

   160.2 mm +64.9 mm versus nuvifone M20

   Width:

   73.3 mm +20.8 mm versus nuvifone M20

   Depth:

   7.9 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. nuvifone M20

   Screen diagonal:

   2.8 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   24.3 cm²

2. 2. A91

   Screen diagonal:

   6.4 in

   Aspect ratio (height:width):

   20:9

   Approximate rectangular screen area:

   98.9 cm²

A91 has approximately 307.3% more rectangular screen area than nuvifone M20.

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.