Asus Zenfone 2 ZE551ML vs BlackBerry Passport

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

  Zenfone 2 ZE551ML: 26 g lighter

  Zenfone 2 ZE551ML:

  170 g

  Passport:

  196 g

• Width

  Zenfone 2 ZE551ML: 13.1 mm narrower

  Zenfone 2 ZE551ML:

  77.2 mm

  Passport:

  90.3 mm

• Screen diagonal

  Passport: 1 in smaller diagonal

  Zenfone 2 ZE551ML:

  5.5 in

  Passport:

  4.5 in

• Chipset

  Zenfone 2 ZE551ML:

  Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)

  Passport:

  Qualcomm MSM8974AA Snapdragon 801 (28 nm)

• Depth

  Passport: 1.6 mm thinner

  Zenfone 2 ZE551ML:

  10.9 mm

  Passport:

  9.3 mm

• Height

  Passport: 24.5 mm shorter

  Zenfone 2 ZE551ML:

  152.5 mm

  Passport:

  128 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. Zenfone 2 ZE551ML

   Height:

   152.5 mm +24.5 mm versus Passport

   Width:

   77.2 mm

   Depth:

   10.9 mm +1.6 mm versus Passport

2. 2. Passport

   Height:

   128 mm

   Width:

   90.3 mm +13.1 mm versus Zenfone 2 ZE551ML

   Depth:

   9.3 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 ZE551ML

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

2. 2. Passport

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   1:1

   Approximate rectangular screen area:

   65.3 cm²

Zenfone 2 ZE551ML has approximately 27.7% more rectangular screen area than Passport.

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.