Sonim XP3340 Sentinel vs ZTE Open

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

  XP3340 Sentinel: 2 mm narrower

  XP3340 Sentinel:

  60 mm

  Open:

  62 mm

• Screen diagonal

  XP3340 Sentinel: 1.5 in smaller diagonal

  XP3340 Sentinel:

  2 in

  Open:

  3.5 in

• Depth

  Open: 12.5 mm thinner

  XP3340 Sentinel:

  25 mm

  Open:

  12.5 mm

• Height

  Open: 12 mm shorter

  XP3340 Sentinel:

  126 mm

  Open:

  114 mm

• Release year

  XP3340 Sentinel:

  2011

  Open:

  2013

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. XP3340 Sentinel

   Height:

   126 mm +12 mm versus Open

   Width:

   60 mm

   Depth:

   25 mm +12.5 mm versus Open

   Weight:

   185 g

2. 2. Open

   Height:

   114 mm

   Width:

   62 mm +2 mm versus XP3340 Sentinel

   Depth:

   12.5 mm

   Weight:

   Unknown

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. XP3340 Sentinel

   Screen diagonal:

   2 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   12.4 cm²

2. 2. Open

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   36.5 cm²

Open has approximately 194.5% more rectangular screen area than XP3340 Sentinel.

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.