O2 XDA Atom vs Oppo A39

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.

• WeightXDA Atom: 7 g lighterXDA Atom: 140 g · A39: 147 g
• WidthXDA Atom: 14.9 mm narrowerXDA Atom: 58 mm · A39: 72.9 mm
• Screen diagonalXDA Atom: 2.5 in smaller diagonalXDA Atom: 2.7 in · A39: 5.2 in
• DepthA39: 10.8 mm thinnerA39: 7.7 mm · XDA Atom: 18.5 mm
• HeightXDA Atom: 47.1 mm shorterXDA Atom: 102 mm · A39: 149.1 mm
• Release year2005 / 2017XDA Atom: 2005 · A39: 2017

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. XDA Atom

   Height

   102 mm

   Width

   58 mm

   Depth

   18.5 mm+10.8 mm versus A39

   Weight

   140 g

2. 2. A39

   Height

   149.1 mm+47.1 mm versus XDA Atom

   Width

   72.9 mm+14.9 mm versus XDA Atom

   Depth

   7.7 mm

   Weight

   147 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. XDA Atom 2.7 in · 4:3 About 22.6 cm² rectangular area
2. 2. A39 5.2 in · 16:9 About 74.5 cm² rectangular area

A39 has approximately 230.2% more rectangular screen area than XDA Atom.

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.