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Asus ZenFone 4 Selfie Pro Review
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Introduction
The selfie-oriented niche may be a small one, but still active. Every now and then a manufacturer will launch a phone with a high-resolution front camera, assisted by an LED flash, and some software enhancements to boost your self-made mugshots. Today, we take a look at the Asus ZenFone 4 Selfie Pro. As you are probably guessing by the name, it's a phone that wants to appeal to the social-networking, selfie-loving crowd. This one ups the ante with a secondary, wide-angle selfie camera on the front, and a Portrait Mode for both the front- and rear-facing snappers.
Design

When first laying eyes on the ZenFone 4 Selfie Pro, one is met with a pleasant, contemporary design. The device is wrapped in matte-finished metal and has a thin profile, which feels quite pleasant in the hand. The home button on the bottom is a capacitive plaque, which also doubles as a fingerprint scanner. We've got backlit "back" and "recent apps" buttons surrounding it.
The power button and volume rocker are both placed on the right, with the latter being just a tad bit higher than we would've liked. Still, all controls are in a reasonably reachable spot. The physical buttons have a very reassuring click to them, though they're just a bit shallow.

Dimensions
6.06 x 2.95 x 0.27 inches
153.9 x 74.9 x 6.9 mm
Weight
5.19 oz (147 g)

Dimensions
5.91 x 2.91 x 0.38 inches
150.2 x 74 x 9.7 mm
Weight
5.47 oz (155 g)

Dimensions
6.17 x 3.06 x 0.31 inches
156.8 x 77.6 x 7.9 mm
Weight
6.56 oz (186 g)

Dimensions
6.06 x 2.95 x 0.27 inches
153.9 x 74.9 x 6.9 mm
Weight
5.19 oz (147 g)

Dimensions
5.91 x 2.91 x 0.38 inches
150.2 x 74 x 9.7 mm
Weight
5.47 oz (155 g)

Dimensions
6.17 x 3.06 x 0.31 inches
156.8 x 77.6 x 7.9 mm
Weight
6.56 oz (186 g)
Compare these and other phones using our Size Comparison tool.
Display

In short, if not entirely color-accurate, the display is a pleasure to look at and covers a variety of tastes. Unfortunately, it doesn't get very bright, so viewing out in the sunlight is not always a great experience.
Display measurements and quality
Maximum brightness Higher is better | Minimum brightness (nits) Lower is better | Contrast Higher is better | Color temperature (Kelvins) | Gamma | Delta E rgbcmy Lower is better | Delta E grayscale Lower is better | |
---|---|---|---|---|---|---|---|
Asus ZenFone 4 Selfie Pro |
481 (Good) |
47 (Poor) |
unmeasurable (Excellent) |
7328 (Good) |
2.37 |
3.55 (Good) |
4.76 (Average) |
Motorola Moto G5 Plus |
581 (Excellent) |
6 (Good) |
1:1274 (Excellent) |
7989 (Average) |
2.21 |
6.07 (Average) |
6.79 (Average) |
Sony Xperia XA1 |
578 (Excellent) |
27 (Poor) |
1:962 (Average) |
6494 (Excellent) |
2 |
3.13 (Good) |
3.95 (Good) |
Samsung Galaxy A7 (2017) |
569 (Excellent) |
1.8 (Excellent) |
unmeasurable (Excellent) |
6899 (Excellent) |
2.19 |
2.58 (Good) |
7.44 (Average) |
The CIE 1931 xy color gamut chart represents the set (area) of colors that a display can reproduce, with the sRGB colorspace (the highlighted triangle) serving as reference. The chart also provides a visual representation of a display's color accuracy. The small squares across the boundaries of the triangle are the reference points for the various colors, while the small dots are the actual measurements. Ideally, each dot should be positioned on top of its respective square. The 'x: CIE31' and 'y: CIE31' values in the table below the chart indicate the position of each measurement on the chart. 'Y' shows the luminance (in nits) of each measured color, while 'Target Y' is the desired luminance level for that color. Finally, 'ΔE 2000' is the Delta E value of the measured color. Delta E values of below 2 are ideal.
These measurements are made using Portrait Displays' CalMAN calibration software.
These measurements are made using Portrait Displays' CalMAN calibration software.
The Color accuracy chart gives an idea of how close a display's measured colors are to their referential values. The first line holds the measured (actual) colors, while the second line holds the reference (target) colors. The closer the actual colors are to the target ones, the better.
These measurements are made using Portrait Displays' CalMAN calibration software.
These measurements are made using Portrait Displays' CalMAN calibration software.
The Grayscale accuracy chart shows whether a display has a correct white balance (balance between red, green and blue) across different levels of grey (from dark to bright). The closer the Actual colors are to the Target ones, the better.
These measurements are made using Portrait Displays' CalMAN calibration software.
These measurements are made using Portrait Displays' CalMAN calibration software.

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