Energizer Ultimate U620S vs O2 XDA Zest

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

  XDA Zest: 15 mm narrower

  Ultimate U620S:

  75.5 mm

  XDA Zest:

  60.5 mm

• Screen diagonal

  XDA Zest: 3.4 in smaller diagonal

  Ultimate U620S:

  6.2 in

  XDA Zest:

  2.8 in

• Rear camera layout

  Ultimate U620S:

  Triple

  XDA Zest:

  Single

• Depth

  Ultimate U620S: 8.2 mm thinner

  Ultimate U620S:

  8.3 mm

  XDA Zest:

  16.5 mm

• Height

  XDA Zest: 53.8 mm shorter

  Ultimate U620S:

  155.8 mm

  XDA Zest:

  102 mm

• Release year

  Ultimate U620S:

  2019

  XDA Zest:

  2008

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 +53.8 mm versus XDA Zest

   Width:

   75.5 mm +15 mm versus XDA Zest

   Depth:

   8.3 mm

   Weight:

   Unknown

2. 2. XDA Zest

   Height:

   102 mm

   Width:

   60.5 mm

   Depth:

   16.5 mm +8.2 mm versus Ultimate U620S

   Weight:

   102.5 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. XDA Zest

   Screen diagonal:

   2.8 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   24.3 cm²

Ultimate U620S has approximately 301.8% more rectangular screen area than XDA Zest.

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.