HTC One X9 vs Oppo Ace2

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

  One X9:

  LCD

  Ace2:

  OLED

• Weight

  One X9: 16 g lighter

  One X9:

  170 g

  Ace2:

  186 g

• Screen diagonal

  One X9: 1.05 in smaller diagonal

  One X9:

  5.5 in

  Ace2:

  6.55 in

• Chipset

  One X9:

  Mediatek MT6795 Helio X10 (28 nm)

  Ace2:

  Qualcomm SM8250 Snapdragon 865 (7 nm+)

• Rear camera layout

  One X9:

  Single

  Ace2:

  Quad

• Depth

  One X9: 0.6 mm thinner

  One X9:

  8 mm

  Ace2:

  8.6 mm

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 X9

   Height:

   153.9 mm

   Width:

   75.9 mm

   Depth:

   8 mm

2. 2. Ace2

   Height:

   160 mm +6.1 mm versus One X9

   Width:

   75.4 mm

   Depth:

   8.6 mm +0.6 mm versus One X9

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 X9

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

2. 2. Ace2

   Screen diagonal:

   6.55 in

   Aspect ratio (height:width):

   20:9

   Approximate rectangular screen area:

   103.6 cm²

Ace2 has approximately 24.2% more rectangular screen area than One X9.

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.