Celkon Campus Buddy A404 vs T-Mobile HD2

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

  Campus Buddy A404: 26 g lighter

  Campus Buddy A404:

  131 g

  HD2:

  157 g

• Width

  Campus Buddy A404: 2.8 mm narrower

  Campus Buddy A404:

  64.2 mm

  HD2:

  67 mm

• Screen diagonal

  Campus Buddy A404: 0.3 in smaller diagonal

  Campus Buddy A404:

  4 in

  HD2:

  4.3 in

• Depth

  Campus Buddy A404: 1.2 mm thinner

  Campus Buddy A404:

  9.8 mm

  HD2:

  11 mm

• Height

  HD2: 4.5 mm shorter

  Campus Buddy A404:

  126.5 mm

  HD2:

  122 mm

• Release year

  Campus Buddy A404:

  2014

  HD2:

  2010

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. Campus Buddy A404

   Height:

   126.5 mm +4.5 mm versus HD2

   Width:

   64.2 mm

   Depth:

   9.8 mm

2. 2. HD2

   Height:

   122 mm

   Width:

   67 mm +2.8 mm versus Campus Buddy A404

   Depth:

   11 mm +1.2 mm versus Campus Buddy A404

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. Campus Buddy A404

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

2. 2. HD2

   Screen diagonal:

   4.3 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   52.6 cm²

HD2 has approximately 15.6% more rectangular screen area than Campus Buddy A404.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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.