HTC One ST vs Lava Z40

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

  One ST: 5 g lighter

  One ST:

  115 g

  Z40:

  120 g

• Width

  Z40: 3 mm narrower

  One ST:

  66.9 mm

  Z40:

  63.9 mm

• Screen diagonal

  Z40: 0.3 in smaller diagonal

  One ST:

  4.3 in

  Z40:

  4 in

• Depth

  One ST: 2.4 mm thinner

  One ST:

  9.3 mm

  Z40:

  11.7 mm

• Height

  Z40: 2.5 mm shorter

  One ST:

  128 mm

  Z40:

  125.5 mm

• Release year

  One ST:

  2012

  Z40:

  2019

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. One ST

   Height:

   128 mm +2.5 mm versus Z40

   Width:

   66.9 mm +3 mm versus Z40

   Depth:

   9.3 mm

2. 2. Z40

   Height:

   125.5 mm

   Width:

   63.9 mm

   Depth:

   11.7 mm +2.4 mm versus One ST

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. One ST

   Screen diagonal:

   4.3 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   52.6 cm²

2. 2. Z40

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

One ST has approximately 15.6% more rectangular screen area than Z40.

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.