Celkon Millennia Everest vs O2 XDA

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: 5 mm narrower

  Millennia Everest:

  78 mm

  XDA:

  73 mm

• Screen diagonal

  XDA: 2 in smaller diagonal

  Millennia Everest:

  5.5 in

  XDA:

  3.5 in

• Depth

  Millennia Everest: 8.9 mm thinner

  Millennia Everest:

  9.1 mm

  XDA:

  18 mm

• Height

  XDA: 28 mm shorter

  Millennia Everest:

  157 mm

  XDA:

  129 mm

• Release year

  Millennia Everest:

  2015

  XDA:

  2003

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. Millennia Everest

   Height:

   157 mm +28 mm versus XDA

   Width:

   78 mm +5 mm versus XDA

   Depth:

   9.1 mm

   Weight:

   Unknown

2. 2. XDA

   Height:

   129 mm

   Width:

   73 mm

   Depth:

   18 mm +8.9 mm versus Millennia Everest

   Weight:

   201 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. Millennia Everest

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

2. 2. XDA

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   37.9 cm²

Millennia Everest has approximately 119.8% more rectangular screen area than XDA.

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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.