Garmin-Asus nuvifone M20 vs Nokia E51

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

  E51: 6.5 mm narrower

  nuvifone M20:

  52.5 mm

  E51:

  46 mm

• Screen diagonal

  E51: 0.8 in smaller diagonal

  nuvifone M20:

  2.8 in

  E51:

  2 in

• Depth

  E51: 0.8 mm thinner

  nuvifone M20:

  12.8 mm

  E51:

  12 mm

• Height

  nuvifone M20: 19.5 mm shorter

  nuvifone M20:

  95.3 mm

  E51:

  114.8 mm

• Release year

  nuvifone M20:

  2009

  E51:

  2007

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 +6.5 mm versus E51

   Depth:

   12.8 mm +0.8 mm versus E51

2. 2. E51

   Height:

   114.8 mm +19.5 mm versus nuvifone M20

   Width:

   46 mm

   Depth:

   12 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. E51

   Screen diagonal:

   2 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   12.4 cm²

nuvifone M20 has approximately 96% more rectangular screen area than E51.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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.