HTC U Ultra vs vivo Z3x

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

  Z3x: 20 g lighter

  U Ultra:

  170 g

  Z3x:

  150 g

• Width

  Z3x: 4.8 mm narrower

  U Ultra:

  79.8 mm

  Z3x:

  75 mm

• Screen diagonal

  U Ultra: 0.56 in smaller diagonal

  U Ultra:

  5.7 in

  Z3x:

  6.26 in

• Chipset

  U Ultra:

  Qualcomm MSM8996 Snapdragon 821 (14 nm)

  Z3x:

  Qualcomm SDM660 Snapdragon 660 (14 nm)

• Rear camera layout

  U Ultra:

  Single

  Z3x:

  Dual

• Height

  Z3x: 7.6 mm shorter

  U Ultra:

  162.4 mm

  Z3x:

  154.8 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. U Ultra

   Height:

   162.4 mm +7.6 mm versus Z3x

   Width:

   79.8 mm +4.8 mm versus Z3x

   Depth:

   8 mm

2. 2. Z3x

   Height:

   154.8 mm

   Width:

   75 mm

   Depth:

   7.9 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. U Ultra

   Screen diagonal:

   5.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   89.6 cm²

2. 2. Z3x

   Screen diagonal:

   6.26 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   97.8 cm²

Z3x has approximately 9.2% more rectangular screen area than U Ultra.

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.