Allview X4 Xtreme vs BlackBerry Key2

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

  Key2: 58.9 g lighter

  X4 Xtreme:

  226.9 g

  Key2:

  168 g

• Width

  Key2: 11.5 mm narrower

  X4 Xtreme:

  83.3 mm

  Key2:

  71.8 mm

• Screen diagonal

  Key2: 1.5 in smaller diagonal

  X4 Xtreme:

  6 in

  Key2:

  4.5 in

• Chipset

  X4 Xtreme:

  Mediatek MT6757T Helio P25 (16 nm)

  Key2:

  Qualcomm SDM660 Snapdragon 660 (14 nm)

• Depth

  Key2: 0.6 mm thinner

  X4 Xtreme:

  9.1 mm

  Key2:

  8.5 mm

• Height

  Key2: 15 mm shorter

  X4 Xtreme:

  166.4 mm

  Key2:

  151.4 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. X4 Xtreme

   Height:

   166.4 mm +15 mm versus Key2

   Width:

   83.3 mm +11.5 mm versus Key2

   Depth:

   9.1 mm +0.6 mm versus Key2

2. 2. Key2

   Height:

   151.4 mm

   Width:

   71.8 mm

   Depth:

   8.5 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. X4 Xtreme

   Screen diagonal:

   6 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   99.2 cm²

2. 2. Key2

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   60.3 cm²

X4 Xtreme has approximately 64.6% more rectangular screen area than Key2.

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.