alcatel OT-997D vs Celkon Millennia Hero

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.

• Weight

  Millennia Hero: 30 g lighter

  OT-997D:

  143 g

  Millennia Hero:

  113 g

• Width

  Millennia Hero: 4 mm narrower

  OT-997D:

  68 mm

  Millennia Hero:

  64 mm

• Screen diagonal

  Millennia Hero: 0.3 in smaller diagonal

  OT-997D:

  4.3 in

  Millennia Hero:

  4 in

• Height

  Millennia Hero: 4.8 mm shorter

  OT-997D:

  129.8 mm

  Millennia Hero:

  125 mm

• Release year

  OT-997D:

  2012

  Millennia Hero:

  2015

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. OT-997D

   Height:

   129.8 mm +4.8 mm versus Millennia Hero

   Width:

   68 mm +4 mm versus Millennia Hero

   Depth:

   11 mm

2. 2. Millennia Hero

   Height:

   125 mm

   Width:

   64 mm

   Depth:

   11 mm

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. OT-997D

   Screen diagonal:

   4.3 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   52.6 cm²

2. 2. Millennia Hero

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

OT-997D has approximately 15.6% more rectangular screen area than Millennia Hero.

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.