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Which should you buy, the Zenfone 4 Max ZC520KL 32GB or Zenfone 4 Pro ZS551KL 128GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2018-09-30 23:15:04, Updated date: 2021-10-20 16:28:33

Zenfone 4 Max ZC520KL 32GBZenfone 4 Pro ZS551KL 128GB
Zenfone 4 Max ZC520KL 32GBZenfone 4 Pro ZS551KL 128GB

Here's our thorough comparison of the difference in performance and function between the "Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB". Which one should you buy? We'll compare and explain what differs between the "Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB" in a way that even people who aren't used to choosing between two similar products can understand.

Zenfone 4 Max ZC520KL 32GBZenfone 4 Pro ZS551KL 128GB
Zenfone 4 Max ZC520KL 32GB

Zenfone 4 Pro ZS551KL 128GB

General rating:

54/100

(The 501th of all smartphones)

73.7/100

(The 19th of all smartphones)

Holding comfort
64/100
62/100
Weight
67/100
60/100
Screen size
77/100
82/100
Display quality
57/100
85/100
Battery life
80/100
74/100
Processing power
51/100
91/100
Memory capacity
60/100
90/100
Storage capacity
55/100
90/100
Rear camera performance
61/100
68/100
Front camera performance
58/100
58/100

"Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB", performance comparison

"Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB" size comparison. Which to choose?

The size of the body has a big influence on the ease of carrying and one-handed operation. The narrower the width, the easier it is to firmly grasp and hold, but you also have to take into account the device's thickness. Also, if the width and height are smaller, its easier to operate one-handed since its easier to extend your fingers. On the contrary, if the width and height are large, it's difficult to fit in your pocket and is bulky even when put in a bag, and portability is impaired.

The "Zenfone 4 Max ZC520KL 32GB" has a width of 73.3mm, a length of 150.5mm, and a thickness of 8.8mm. Also, the "Zenfone 4 Pro ZS551KL 128GB" has a width of 75.6mm, a length of 156.9mm, and a thickness of 7.6mm.

Comparing the width and thickness of the body, there isn't much difference between the "Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB" in terms of size. For that reason, the ease of gripping and carrying the devices in one hand is about the same for both. Therefore it's better to compare them in terms of performance and functionality.

Comparing the width and thickness of the body, there isn't a large difference in size between the "Zenfone 4 Max ZC520KL 32GB" and the "Zenfone 4 Pro ZS551KL 128GB". For that reason their one-handed operability, portability, and bulkiness when carried is about the same. That's why I think it's better to compare them in terms of other aspects of performance and functionality.

Comparing the overall size of the two devices, there isn't a big difference in size between the "Zenfone 4 Max ZC520KL 32GB" and the "Zenfone 4 Pro ZS551KL 128GB". For that reason the ease of carrying and use with one hand is about the same for both. That's why it is better to compare the two in terms of other aspects of performance and functionality.

ScoreDimensions (width x height x thickness)
Zenfone 4 Max ZC520KL 32GB64/10073.3mm x 150.5mm x 8.8mm
Zenfone 4 Pro ZS551KL 128GB62/10075.6mm x 156.9mm x 7.6mm

"Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB", which is more comfortable to hold? Weight comparison

The weight of the device affects hand fatigue and the burden placed upon the wrist. The lighter it is, the longer you'll be able to operate the device without tiring. Also, if the burden placed on the wrist is lower, you'll be able to use the device more comfortably. However if the weight isn't right for you, it could place more of a burden on your body, causing you to feel stress.

The weight of the "Zenfone 4 Max ZC520KL 32GB" is about 156.0g, and the weight of the "Zenfone 4 Pro ZS551KL 128GB" is about 175.0g. Comparing the weight of the two devices, the "Zenfone 4 Max ZC520KL 32GB" is a lighter smart phone than the "Zenfone 4 Pro ZS551KL 128GB", with a difference of about 19g. For that reason the "Zenfone 4 Max ZC520KL 32GB" is a smart phone that is less likely than the "Zenfone 4 Pro ZS551KL 128GB"to put a burden on your fingers and wrist when used for an extended period. That's why we recommend the "Zenfone 4 Max ZC520KL 32GB" over the "Zenfone 4 Pro ZS551KL 128GB".

ScoreWeight
Zenfone 4 Max ZC520KL 32GB67/100156.0g
Zenfone 4 Pro ZS551KL 128GB60/100175.0g

"Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB", whose display is easier to use?

The size of the screen affects usability and screen visibility. A larger screen means larger letters and buttons on apps, so the user is less likely to tap adjacent buttons by mistake. In addition, the user can enjoy a more intense experience when playing games and watching videos.

The "Zenfone 4 Max ZC520KL 32GB" has a 5.2inch display. Also, the "Zenfone 4 Pro ZS551KL 128GB" has a 5.5inch display. Comparing the screen size, there is a negligible difference in screen size between the "Zenfone 4 Max ZC520KL 32GB" and the "Zenfone 4 Pro ZS551KL 128GB". As a result, the app buttons on both are equally easy to press. We recommend comparing them based on other aspects of performance and functionality.

ScoreDisplay size
Zenfone 4 Max ZC520KL 32GB77/1005.2inch
Zenfone 4 Pro ZS551KL 128GB82/1005.5inch

"Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB", which has a clearer display?

Pixel density affects picture quality, and the higher the pixel density, the better the picture quality, which means the user can gain more enjoyment from games and videos. In addition, higher picture quality decreases eyestrain, which means that the user will experience less eye fatigue after prolonged use.

The resolution on the "Zenfone 4 Max ZC520KL 32GB" is 720 x 1280, and pixel density is 282ppi. Also, the resolution on the "Zenfone 4 Pro ZS551KL 128GB" is 1080 x 1920, and pixel density is 400ppi. Comparing the pixel count, the "Zenfone 4 Pro ZS551KL 128GB" has much higher pixel density than the "Zenfone 4 Max ZC520KL 32GB", with a difference of roughly 118ppi. In terms of having better picture quality and exerting less strain on the eyes, the "Zenfone 4 Pro ZS551KL 128GB" is superior to the "Zenfone 4 Max ZC520KL 32GB". If you are looking for a smartphone that is easy on the eyes, displaying texts and pictures clearly without any blurring, we recommend the "Zenfone 4 Pro ZS551KL 128GB" over the "Zenfone 4 Max ZC520KL 32GB".

ScorePixel density
Zenfone 4 Max ZC520KL 32GB57/100282ppi
Zenfone 4 Pro ZS551KL 128GB85/100400ppi

"Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB", a summary of the differences in battery life

Battery performance greatly affects battery life, but greater battery capacity does not necessarily mean greater battery life, since battery efficiency should also be considered. Bigger screens and higher CPU performance will mean the batteries are depleted more quickly.

The "Zenfone 4 Max ZC520KL 32GB" is 4100.0mAh, and the "Zenfone 4 Pro ZS551KL 128GB" is 3600.0mAh. Regarding battery capacity, the "Zenfone 4 Max ZC520KL 32GB" has greater battery capacity than the "Zenfone 4 Pro ZS551KL 128GB", with a 500mAh difference. If battery is a priority, then the "Zenfone 4 Max ZC520KL 32GB" is recommended over the "Zenfone 4 Pro ZS551KL 128GB".

ScoreBattery capacity
Zenfone 4 Max ZC520KL 32GB80/1004100.0mAh
Zenfone 4 Pro ZS551KL 128GB74/1003600.0mAh

"Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB", which has better CPU?

CPU performance affects the ability to process programs, and the ability to process programs is determined by the product of the number of cores in the CPU and the CPU frequency. The higher this performance is, the more smoothly apps and games will run, and with low performance apps and games become heavy and stress is experienced.

The "Zenfone 4 Max ZC520KL 32GB"'s CPU is a Qualcomm MSM8917 Snapdragon 425, with performance measured at 1.4GHz×4(4.0-cores). Also, the "Zenfone 4 Pro ZS551KL 128GB"'s CPU is a Qualcomm MSM8998 Snapdragon 835, with performance measured at 2.45GHz+1.9GHz×8(8.0-cores). Comparing CPU performance, the "Zenfone 4 Pro ZS551KL 128GB" has considerably higher specs than the "Zenfone 4 Max ZC520KL 32GB". In terms of being able to comfortably play games and run apps smoothly, the "Zenfone 4 Pro ZS551KL 128GB" is superior to the "Zenfone 4 Max ZC520KL 32GB". If you're going for a high spec smart phone that runs smoothly and comfortably handles games, we recommend purchasing the "Zenfone 4 Pro ZS551KL 128GB" over the "Zenfone 4 Max ZC520KL 32GB".

ScoreCPU specs
Zenfone 4 Max ZC520KL 32GB51/1001.4GHz×4(4.0-cores)
Zenfone 4 Pro ZS551KL 128GB91/1002.45GHz+1.9GHz×8(8.0-cores)

"Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB", what's the difference in memory capacity?

RAM affects multitasking ability and the stability of apps. The larger the amount of RAM is, the more stability there will be even in situations where multiple apps are running simultaneously, allowing for comfortable use. In addition, animation will be more smooth, and apps will be less likely to freeze or crash. Also, without sufficient RAM, there are games you won't be able to run, so it is necessary to be careful.

The weight of the "Zenfone 4 Max ZC520KL 32GB" is 3.0GB and the weight of the "Zenfone 4 Pro ZS551KL 128GB" is 6.0GB. Comparing the devices in terms of RAM, the "Zenfone 4 Pro ZS551KL 128GB" has a significantly larger amount of RAM than the "Zenfone 4 Max ZC520KL 32GB", with a difference of about 3GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "Zenfone 4 Pro ZS551KL 128GB" is superior to the "Zenfone 4 Max ZC520KL 32GB". If you're looking for a smart phone that can run multiple apps simultaneously with stability and also allows you to comfortably enjoy 3D games and VR, then we recommend purchasing the "Zenfone 4 Pro ZS551KL 128GB" over the "Zenfone 4 Max ZC520KL 32GB".

ScoreRAM size
Zenfone 4 Max ZC520KL 32GB60/1003.0GB
Zenfone 4 Pro ZS551KL 128GB90/1006.0GB

"Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB", which has more data storage?

Storage capacity affects the amount of data that is capable of being stored. The larger the storage capacity, the more pictures you can take and the more applications you can install. In addition, if your smartphone accepts SD cards, then you can increase its storage capacity. However, there are performance related drawbacks, including a slower data transfer rate than the primary memory, and you cannot transfer all your data on the card, so be warned.

The data storage capacity of the "Zenfone 4 Max ZC520KL 32GB" is 32.0GB. Also the "Zenfone 4 Pro ZS551KL 128GB" is 128.0GB. Regarding storage capacity, the "Zenfone 4 Pro ZS551KL 128GB" has a much larger data storage capacity compared to the "Zenfone 4 Max ZC520KL 32GB", with a roughly 96GB difference. In terms of the number of pictures you can save and the applications that you can install, the "Zenfone 4 Pro ZS551KL 128GB" is superior to the "Zenfone 4 Max ZC520KL 32GB". If you are looking for a smartphone that can save more data, we recommend the "Zenfone 4 Pro ZS551KL 128GB" over the "Zenfone 4 Max ZC520KL 32GB".

ScoreStorage size
Zenfone 4 Max ZC520KL 32GB55/10032.0GB
Zenfone 4 Pro ZS551KL 128GB90/100128.0GB

"Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB" rear camera performance comparison. Which has a higher resolution?

One factor that determines the performance of the exterior camera located on the back of the device (the rear/back camera) is the pixel count. The larger the pixel count, the higher the resolution of the pictures you can take, and the cleaner the pictures will look when printed.

"Zenfone 4 Max ZC520KL 32GB" has a 13.0MP main camera. Also, "Zenfone 4 Pro ZS551KL 128GB" has a 16.0MP main camera. Comparing rear camera performance, the "Zenfone 4 Pro ZS551KL 128GB" has a higher pixel count than the "Zenfone 4 Max ZC520KL 32GB", with a roughly 3MP difference. As a result, the "Zenfone 4 Pro ZS551KL 128GB" is better able to take high quality landscape pictures than the "Zenfone 4 Max ZC520KL 32GB", and the pictures will look cleaner when printed. Therefore, we recommend the "Zenfone 4 Pro ZS551KL 128GB".

ScoreRear-camera resolution
Zenfone 4 Max ZC520KL 32GB61/10013.0MP
Zenfone 4 Pro ZS551KL 128GB68/10016.0MP

"Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB", whose front camera has a better picture quality?

One factor that determines the performance of the exterior camera located on the front of the device (the in/front camera) is the pixel count. The larger the pixel count, the higher the resolution of the pictures you can take, and the cleaner the pictures will look when printed.

"Zenfone 4 Max ZC520KL 32GB" has an 8.0MP front camera and "Zenfone 4 Pro ZS551KL 128GB" has an 8.0MP front camera. Comparing rear camera performance, the "Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB" have approximately the same pixel count. As a result, they can both take pictures and shoot videos of roughly the same quality. Therefore, we recommend comparing the two based on other aspects of performance and functionality.

ScoreFront-camera resolution
Zenfone 4 Max ZC520KL 32GB58/1008.0MP
Zenfone 4 Pro ZS551KL 128GB58/1008.0MP

"Zenfone 4 Max ZC520KL 32GB" and "Zenfone 4 Pro ZS551KL 128GB", performance comparison by specification sheet

Zenfone 4 Max ZC520KL 32GBZenfone 4 Pro ZS551KL 128GB
ImageZenfone 4 Max ZC520KL 32GBZenfone 4 Pro ZS551KL 128GB
MakerAsusAsus
Release date2017-102017-10
ColorBlack/Gold/SilverMoonlight white/Pure Black
OSAndroidAndroid
Dimensions (width x height x thickness)73.3mm x 150.5mm x 8.8mm75.6mm x 156.9mm x 7.6mm
Weight156.0g175.0g
Display size5.2inch5.5inch
Display typeIPS LCDAMOLED
Screen resolution (width x height)720 x 12801080 x 1920
Pixel density282ppi400ppi
Battery capacity4100.0mAh3600.0mAh
ChipsetQualcomm MSM8917 Snapdragon 425Qualcomm MSM8998 Snapdragon 835
CPU specs1.4GHz×4(4.0-cores)2.45GHz+1.9GHz×8(8.0-cores)
RAM size3.0GB6.0GB
Storage size32.0GB128.0GB
Rear-camera resolution13.0MP16.0MP
Front-camera resolution8.0MP8.0MP

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