HTC One M9 vs O2 XDA Atom

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: 17 g lighterXDA Atom: 140 g · One M9: 157 g
• WidthXDA Atom: 11.7 mm narrowerXDA Atom: 58 mm · One M9: 69.7 mm
• Screen diagonalXDA Atom: 2.3 in smaller diagonalXDA Atom: 2.7 in · One M9: 5 in
• DepthOne M9: 8.9 mm thinnerOne M9: 9.6 mm · XDA Atom: 18.5 mm
• HeightXDA Atom: 42.6 mm shorterXDA Atom: 102 mm · One M9: 144.6 mm
• Release year2015 / 2005One M9: 2015 · XDA Atom: 2005

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. One M9

   Height

   144.6 mm+42.6 mm versus XDA Atom

   Width

   69.7 mm+11.7 mm versus XDA Atom

   Depth

   9.6 mm

   Weight

   157 g

2. 2. XDA Atom

   Height

   102 mm

   Width

   58 mm

   Depth

   18.5 mm+8.9 mm versus One M9

   Weight

   140 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. One M9 5 in · 16:9 About 68.9 cm² rectangular area
2. 2. XDA Atom 2.7 in · 4:3 About 22.6 cm² rectangular area

One M9 has approximately 205.3% 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.