Motorola ROKR E2 vs Nokia Lumia 638

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

  ROKR E2: 29 g lighter

  ROKR E2:

  107 g

  Lumia 638:

  136 g

• Width

  ROKR E2: 17.2 mm narrower

  ROKR E2:

  49.5 mm

  Lumia 638:

  66.7 mm

• Screen diagonal

  ROKR E2: 2.5 in smaller diagonal

  ROKR E2:

  2 in

  Lumia 638:

  4.5 in

• Depth

  Lumia 638: 8.8 mm thinner

  ROKR E2:

  18 mm

  Lumia 638:

  9.2 mm

• Height

  ROKR E2: 23.5 mm shorter

  ROKR E2:

  106 mm

  Lumia 638:

  129.5 mm

• Release year

  ROKR E2:

  2006

  Lumia 638:

  2014

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. ROKR E2

   Height:

   106 mm

   Width:

   49.5 mm

   Depth:

   18 mm +8.8 mm versus Lumia 638

2. 2. Lumia 638

   Height:

   129.5 mm +23.5 mm versus ROKR E2

   Width:

   66.7 mm +17.2 mm versus ROKR E2

   Depth:

   9.2 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. ROKR E2

   Screen diagonal:

   2 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   12.4 cm²

2. 2. Lumia 638

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

Lumia 638 has approximately 350.7% more rectangular screen area than ROKR E2.

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.