HTC Primo vs vivo Y51

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

  Primo: 42 g lighter

  Primo:

  115 g

  Y51:

  157 g

• Width

  Primo: 12 mm narrower

  Primo:

  59.7 mm

  Y51:

  71.7 mm

• Screen diagonal

  Primo: 1.3 in smaller diagonal

  Primo:

  3.7 in

  Y51:

  5 in

• Chipset

  Primo:

  Qualcomm MSM8255 Snapdragon S2

  Y51:

  Qualcomm MSM8916 Snapdragon 410 (28 nm)

• Depth

  Y51: 1.7 mm thinner

  Primo:

  9.2 mm

  Y51:

  7.5 mm

• Height

  Primo: 23.5 mm shorter

  Primo:

  120.3 mm

  Y51:

  143.8 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. Primo

   Height:

   120.3 mm

   Width:

   59.7 mm

   Depth:

   9.2 mm +1.7 mm versus Y51

2. 2. Y51

   Height:

   143.8 mm +23.5 mm versus Primo

   Width:

   71.7 mm +12 mm versus Primo

   Depth:

   7.5 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. Primo

   Screen diagonal:

   3.7 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   39 cm²

2. 2. Y51

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

Y51 has approximately 76.9% more rectangular screen area than Primo.

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.