Asus Zenfone 2 ZE550ML 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.

• Width

  Key2: 5.4 mm narrower

  Zenfone 2 ZE550ML:

  77.2 mm

  Key2:

  71.8 mm

• Screen diagonal

  Key2: 1 in smaller diagonal

  Zenfone 2 ZE550ML:

  5.5 in

  Key2:

  4.5 in

• Chipset

  Zenfone 2 ZE550ML:

  Intel Atom Z3560

  Key2:

  Qualcomm SDM660 Snapdragon 660 (14 nm)

• Rear camera layout

  Zenfone 2 ZE550ML:

  Single

  Key2:

  Dual

• Depth

  Key2: 2.4 mm thinner

  Zenfone 2 ZE550ML:

  10.9 mm

  Key2:

  8.5 mm

• Release year

  Zenfone 2 ZE550ML:

  2015

  Key2:

  2018

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. Zenfone 2 ZE550ML

   Height:

   152.5 mm

   Width:

   77.2 mm +5.4 mm versus Key2

   Depth:

   10.9 mm +2.4 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. Zenfone 2 ZE550ML

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

2. 2. Key2

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   60.3 cm²

Zenfone 2 ZE550ML has approximately 38.3% 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.