Energizer Ultimate U620S vs Oppo R15

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.

• Display technology

  OLED versus LCD

  Ultimate U620S:

  LCD

  R15:

  OLED

• Chipset

  Ultimate U620S:

  Mediatek MT6765 Helio P35 (12nm)

  R15:

  Mediatek MT6771 Helio P60 (12 nm)

• Rear camera layout

  Ultimate U620S:

  Triple

  R15:

  Dual

• Depth

  R15: 0.9 mm thinner

  Ultimate U620S:

  8.3 mm

  R15:

  7.4 mm

• Release year

  Ultimate U620S:

  2019

  R15:

  2018

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. Ultimate U620S

   Height:

   155.8 mm

   Width:

   75.5 mm

   Depth:

   8.3 mm +0.9 mm versus R15

   Weight:

   Unknown

2. 2. R15

   Height:

   155.1 mm

   Width:

   75.2 mm

   Depth:

   7.4 mm

   Weight:

   175 g

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. Ultimate U620S

   Screen diagonal:

   6.2 in

   Aspect ratio (height:width):

   18.5:9

   Approximate rectangular screen area:

   97.6 cm²

2. 2. R15

   Screen diagonal:

   6.28 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   98.4 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.

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.