Garmin-Asus nuvifone M20 vs Lava A51

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

  nuvifone M20: 13.5 mm narrower

  nuvifone M20:

  52.5 mm

  A51:

  66 mm

• Screen diagonal

  nuvifone M20: 1.7 in smaller diagonal

  nuvifone M20:

  2.8 in

  A51:

  4.5 in

• Chipset

  nuvifone M20:

  Qualcomm MSM7200A

  A51:

  Spreadtrum SC7731C

• Depth

  A51: 2.9 mm thinner

  nuvifone M20:

  12.8 mm

  A51:

  9.9 mm

• Height

  nuvifone M20: 40.7 mm shorter

  nuvifone M20:

  95.3 mm

  A51:

  136 mm

• Release year

  nuvifone M20:

  2009

  A51:

  2016

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 +2.9 mm versus A51

   Weight:

   99 g

2. 2. A51

   Height:

   136 mm +40.7 mm versus nuvifone M20

   Width:

   66 mm +13.5 mm versus nuvifone M20

   Depth:

   9.9 mm

   Weight:

   Unknown

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. A51

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

A51 has approximately 129.9% 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.

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.