ASUS ZenFone Zoom (ZX551ML) Smartphone Review

ASUS ZenFone Zoom (ZX551ML) Review Rev. 2.0

Page 7 : Work Performance, Battery Life, Battery Recharging Speed

Work Performance : PCMark

We tested the ZenFone Zoom’s performance using PCMark, which simulates work applications like web browing, playing video, writing text and editing photos.


ASUS ZenFone Zoom honor 5X Samsung Galaxy S6
Work Performance Score
5829 3898 5078
Web Browsing 5751 3756 6788
Video Playback 4536 4325 3091
Writing 5270 4085 5918
Photo Editing 8400 2614 5357

The honor 5X (Lowest Price) may use the octa-core Qualcomm Snapdragon 616 processor, but it is clearly no match for the quad-core Intel Atom Z3590 processor. The Snapdragon 616 has four A53 cores running at 1.65 GHz, with another four A53 cores running at 1.11 GHz. The Intel Atom Z3590, on the other hand, has four cores running at 2.5 GHz.

The ASUS ZenFone Zoom [Lowest Price] also beat the Samsung Galaxy S6, which is itself a very fast smartphone. It was particularly fast in photo editing and video playback.


Battery Life : PCMark

We then tested the ZenFone Zoom’s battery performance using PCMark. It basically ran the PCMark work tests until its battery capacity dropped to 20%.

Now we can see the Intel Atom Z3590’s processing power comes at the expense of battery life. The ASUS ZenFone Zoom [Lowest Price] uses the same 3,000 mAh lithium polymer battery as all other ASUS ZenFone 2 models, but only lasts just over 6.5 hours.

In comparison, the 6″ ZenFone 2 Laser (ZE601KL) lasted just under 8 hours, while the 5.5″ ZenFone 2 Laser (ZE550KL) lasted over 12 hours on the same test. The honor 5X (Lowest Price), which uses a similar 3,000 mAh battery, lasted 8.5 hours. With such a short battery life, you will want to pack a power bank if you are going on a long trip.

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Battery Recharging Speed

Like the 6″ ZenFone 2 Laser (ZE601KL), the ZenFone Zoom [Lowest Price] comes with Fast Charging capability, and a corresponding 18 W fast charger. Then we tested to see how fast it recharges from 20% to 100%.

As the chart shows, the ASUS ZenFone Zoom [Lowest Price] recharged from 20% to 100% in just 86 minutes (1 hour 26 minutes). It actually hit 90% in just 61 minutes (1 hour 1 minute). In other words, the ZenFone Zoom recharges its battery about 32% faster than the 6″ ZenFone 2 Laser (ZE601KL) [Lowest Price] and 2.4X faster than the 5.5″ ZenFone 2 Laser (ZE550KL).

This is really amazing performance. From our logs, we can see that it recharged the first 20% in just 9 minutes. So if you are short on power, even a short recharge can give you a significant boost in battery life.

Next Page > Overall Performance, Gaming Performance, Our Verdict & Award


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