T-Mobile HD2 vs vivo Y28

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.

• Width

  HD2: 1.6 mm narrower

  HD2:

  67 mm

  Y28:

  68.6 mm

• Screen diagonal

  HD2: 0.4 in smaller diagonal

  HD2:

  4.3 in

  Y28:

  4.7 in

• Chipset

  HD2:

  Qualcomm QSD8250 Snapdragon S1

  Y28:

  Mediatek MT6582 (28 nm)

• Depth

  Y28: 1.2 mm thinner

  HD2:

  11 mm

  Y28:

  9.8 mm

• Height

  HD2: 15.4 mm shorter

  HD2:

  122 mm

  Y28:

  137.4 mm

• Release year

  HD2:

  2010

  Y28:

  2014

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. HD2

   Height:

   122 mm

   Width:

   67 mm

   Depth:

   11 mm +1.2 mm versus Y28

2. 2. Y28

   Height:

   137.4 mm +15.4 mm versus HD2

   Width:

   68.6 mm +1.6 mm versus HD2

   Depth:

   9.8 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. HD2

   Screen diagonal:

   4.3 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   52.6 cm²

2. 2. Y28

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:10

   Approximate rectangular screen area:

   64.1 cm²

Y28 has approximately 21.7% more rectangular screen area than HD2.

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.