Allview E4 vs Oppo R2001 Yoyo

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

  E4: 15 g lighter

  E4:

  130 g

  R2001 Yoyo:

  145 g

• Screen diagonal

  R2001 Yoyo: 0.8 in smaller diagonal

  E4:

  5.5 in

  R2001 Yoyo:

  4.7 in

• Chipset

  E4:

  Mediatek MT6753 (28 nm)

  R2001 Yoyo:

  Mediatek MT6582M (28 nm)

• Depth

  E4: 0.6 mm thinner

  E4:

  8.6 mm

  R2001 Yoyo:

  9.2 mm

• Height

  R2001 Yoyo: 2.2 mm shorter

  E4:

  140.7 mm

  R2001 Yoyo:

  138.5 mm

• Release year

  E4:

  2015

  R2001 Yoyo:

  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. E4

   Height:

   140.7 mm +2.2 mm versus R2001 Yoyo

   Width:

   70.2 mm

   Depth:

   8.6 mm

2. 2. R2001 Yoyo

   Height:

   138.5 mm

   Width:

   69.5 mm

   Depth:

   9.2 mm +0.6 mm versus E4

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.

At least two phones need compatible screen dimensions for a drawing.

1. 1. E4

   E4: Screen geometry unavailable or conflicting.

2. 2. R2001 Yoyo

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   60.9 cm²

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.