alcatel OT-997D vs Celkon Millennia OCTA510

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 OCTA510: 7 g lighter

  OT-997D:

  143 g

  Millennia OCTA510:

  136 g

• Width

  OT-997D: 3 mm narrower

  OT-997D:

  68 mm

  Millennia OCTA510:

  71 mm

• Screen diagonal

  OT-997D: 0.7 in smaller diagonal

  OT-997D:

  4.3 in

  Millennia OCTA510:

  5 in

• Chipset

  OT-997D:

  Mediatek MT6577 (40 nm)

  Millennia OCTA510:

  Mediatek MT6592M (28 nm)

• Depth

  Millennia OCTA510: 1.9 mm thinner

  OT-997D:

  11 mm

  Millennia OCTA510:

  9.1 mm

• Height

  OT-997D: 13.7 mm shorter

  OT-997D:

  129.8 mm

  Millennia OCTA510:

  143.5 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. OT-997D

   Height:

   129.8 mm

   Width:

   68 mm

   Depth:

   11 mm +1.9 mm versus Millennia OCTA510

2. 2. Millennia OCTA510

   Height:

   143.5 mm +13.7 mm versus OT-997D

   Width:

   71 mm +3 mm versus OT-997D

   Depth:

   9.1 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 OCTA510

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

Millennia OCTA510 has approximately 31% more rectangular screen area than OT-997D.

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.