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Lenovo S5 Pro 128GB vs Zenfone 4 Pro ZS551KL 128GB: Full Comparison!

Created date: 2018-11-18 11:12:17, Updated date: 2020-04-16 16:37:47

Lenovo S5 Pro 128GBZenfone 4 Pro ZS551KL 128GB
Lenovo S5 Pro 128GBZenfone 4 Pro ZS551KL 128GB

Are you having trouble comparing the differences in features and performance of the "Lenovo S5 Pro 128GB" and "Zenfone 4 Pro ZS551KL 128GB", or unsure about their differences in ease-of-use, and wondering which to buy? We did a deep-dive comparison of the features, specs, and capabilities of these two smartphone, and provided our rating of which one was a better buy.

Lenovo S5 Pro 128GBZenfone 4 Pro ZS551KL 128GB
Lenovo S5 Pro 128GB

Zenfone 4 Pro ZS551KL 128GB

General rating:
Holding comfortrating-image3.1
75.5mm x 154.5mm x 7.7mm
rating-image3.1
75.6mm x 156.9mm x 7.6mm
Weightrating-image3.1
170.0g
rating-image3.0
175.0g
Screen sizerating-image4.5
6.2inch
rating-image4.1
5.5inch
Display qualityrating-image4.2
401ppi
rating-image4.3
400ppi
Battery liferating-image3.6
3500.0mAh
rating-image3.7
3600.0mAh
Processing powerrating-image4.4
1.8GHz+1.6GHz×8(8.0-cores)
rating-image4.6
2.45GHz+1.9GHz×8(8.0-cores)
Memory capacityrating-image4.5
6.0GB
rating-image4.5
6.0GB
Storage capacityrating-image4.5
128.0GB
rating-image4.5
128.0GB
Rear camera performancerating-image3.9
20.0MP
rating-image3.4
16.0MP
Front camera performancerating-image4.1
20.0MP
rating-image2.9
8.0MP

"Lenovo S5 Pro 128GB" and "Zenfone 4 Pro ZS551KL 128GB", performance comparison

"Lenovo S5 Pro 128GB" 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 "Lenovo S5 Pro 128GB" has a width of 75.5mm, a length of 154.5mm, and a thickness of 7.7mm. 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 "Lenovo S5 Pro 128GB" 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 "Lenovo S5 Pro 128GB" 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 "Lenovo S5 Pro 128GB" 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)
Lenovo S5 Pro 128GB62/10075.5mm x 154.5mm x 7.7mm
Zenfone 4 Pro ZS551KL 128GB62/10075.6mm x 156.9mm x 7.6mm

"Lenovo S5 Pro 128GB" 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 "Lenovo S5 Pro 128GB" is about 170.0g, and the weight of the "Zenfone 4 Pro ZS551KL 128GB" is about 175.0g. Comparing the weight of the two devices, there isn't much difference in weight between the "Lenovo S5 Pro 128GB" and "Zenfone 4 Pro ZS551KL 128GB". That's why the likelihood of fatigue in the fingers and wrists after extended use 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.

ScoreWeight
Lenovo S5 Pro 128GB62/100170.0g
Zenfone 4 Pro ZS551KL 128GB60/100175.0g

"Lenovo S5 Pro 128GB" 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 "Lenovo S5 Pro 128GB" has a 6.2inch display. Also, the "Zenfone 4 Pro ZS551KL 128GB" has a 5.5inch display. Comparing the screen size, the "Lenovo S5 Pro 128GB" has a larger screen compared to the "Zenfone 4 Pro ZS551KL 128GB", with a roughly 0.7inch difference. As a result, the user is less likely to mistap when using apps on the "Lenovo S5 Pro 128GB" than on the "Zenfone 4 Pro ZS551KL 128GB", and is also able to enjoy videos and games on a larger screen. Therefore, we recommend the "Lenovo S5 Pro 128GB".

ScoreDisplay size
Lenovo S5 Pro 128GB90/1006.2inch
Zenfone 4 Pro ZS551KL 128GB82/1005.5inch

"Lenovo S5 Pro 128GB" 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 "Lenovo S5 Pro 128GB" is 1080 x 2246, and pixel density is 401ppi. Also, the resolution on the "Zenfone 4 Pro ZS551KL 128GB" is 1080 x 1920, and pixel density is 400ppi. Comparing the pixel count, the difference in pixel density between the "Lenovo S5 Pro 128GB" and the "Zenfone 4 Pro ZS551KL 128GB" is negligible. As a result, they are both evenly matched in terms of picture quality and easiness on the eyes. Therefore, we recommend comparing them based on other aspects of performance and functionality.

ScorePixel density
Lenovo S5 Pro 128GB84/100401ppi
Zenfone 4 Pro ZS551KL 128GB85/100400ppi

"Lenovo S5 Pro 128GB" 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 "Lenovo S5 Pro 128GB" is 3500.0mAh, and the "Zenfone 4 Pro ZS551KL 128GB" is 3600.0mAh. Regarding battery capacity, there is a negligible difference in battery capacity between the "Lenovo S5 Pro 128GB" and "Zenfone 4 Pro ZS551KL 128GB". Since both have roughly equal battery life, you are better off comparing them based on other aspects of performance and functionality.

ScoreBattery capacity
Lenovo S5 Pro 128GB72/1003500.0mAh
Zenfone 4 Pro ZS551KL 128GB74/1003600.0mAh

"Lenovo S5 Pro 128GB" 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 "Lenovo S5 Pro 128GB"'s CPU is a Qualcomm SDM636 Snapdragon 636, with performance measured at 1.8GHz+1.6GHz×8(8.0-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, there is almost no difference in the specs of the "Lenovo S5 Pro 128GB" and the "Zenfone 4 Pro ZS551KL 128GB". For that reason the level of smoothness felt when using apps and comfortable handling of games is about the same. For that reason it is better to compare them in terms of other aspects of performance and functionality.

ScoreCPU specs
Lenovo S5 Pro 128GB88/1001.8GHz+1.6GHz×8(8.0-cores)
Zenfone 4 Pro ZS551KL 128GB91/1002.45GHz+1.9GHz×8(8.0-cores)

"Lenovo S5 Pro 128GB" 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 "Lenovo S5 Pro 128GB" is 6.0GB and the weight of the "Zenfone 4 Pro ZS551KL 128GB" is 6.0GB. Comparing the devices in terms of RAM, there is almost no difference in the amount of RAM of the "Lenovo S5 Pro 128GB" and the "Zenfone 4 Pro ZS551KL 128GB". For that reason they have about the same level of multitasking performance and 3D game and VR smoothness. That's why it is better to make a comparison in terms of other aspects of performance and functionality.

ScoreRAM size
Lenovo S5 Pro 128GB90/1006.0GB
Zenfone 4 Pro ZS551KL 128GB90/1006.0GB

"Lenovo S5 Pro 128GB" 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 "Lenovo S5 Pro 128GB" is 128.0GB. Also the "Zenfone 4 Pro ZS551KL 128GB" is 128.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Lenovo S5 Pro 128GB" and "Zenfone 4 Pro ZS551KL 128GB". As a result, you can save roughly the same amount of pictures, and install roughly the same amount of applications, on either phone. You are better off comparing them based on other aspects of performance and functionality.

ScoreStorage size
Lenovo S5 Pro 128GB90/100128.0GB
Zenfone 4 Pro ZS551KL 128GB90/100128.0GB

"Lenovo S5 Pro 128GB" 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.

"Lenovo S5 Pro 128GB" has a 20.0MP main camera. Also, "Zenfone 4 Pro ZS551KL 128GB" has a 16.0MP main camera. Comparing rear camera performance, the "Lenovo S5 Pro 128GB" has a higher pixel count than the "Zenfone 4 Pro ZS551KL 128GB", with a roughly 4MP difference. As a result, the "Lenovo S5 Pro 128GB" is better able to take high quality landscape pictures than the "Zenfone 4 Pro ZS551KL 128GB", and the pictures will look cleaner when printed. Therefore, we recommend the "Lenovo S5 Pro 128GB".

ScoreRear-camera resolution
Lenovo S5 Pro 128GB78/10020.0MP
Zenfone 4 Pro ZS551KL 128GB68/10016.0MP

"Lenovo S5 Pro 128GB" 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.

"Lenovo S5 Pro 128GB" has an 20.0MP front camera and "Zenfone 4 Pro ZS551KL 128GB" has an 8.0MP front camera. Comparing rear camera performance, the front camera of the "Lenovo S5 Pro 128GB" has a much higher pixel count compared to the "Zenfone 4 Pro ZS551KL 128GB", with a roughly 12MP difference. As a result, the "Lenovo S5 Pro 128GB" is more suited than the "Zenfone 4 Pro ZS551KL 128GB" for shooting videos and taking pictures. If you are looking for a smartphone that is suited for shooting high resolution selfies which will look clean when printed, we recommend the "Lenovo S5 Pro 128GB" over the "Zenfone 4 Pro ZS551KL 128GB".

ScoreFront-camera resolution
Lenovo S5 Pro 128GB81/10020.0MP
Zenfone 4 Pro ZS551KL 128GB58/1008.0MP

"Lenovo S5 Pro 128GB" and "Zenfone 4 Pro ZS551KL 128GB", performance comparison by specification sheet

Lenovo S5 Pro 128GBZenfone 4 Pro ZS551KL 128GB
ImageLenovo S5 Pro 128GBZenfone 4 Pro ZS551KL 128GB
MakerLenovoAsus
Release date2018-102017-10
ColorBlack/Gold/BlueMoonlight white/Pure Black
OSAndroidAndroid
Dimensions (width x height x thickness)75.5mm x 154.5mm x 7.7mm75.6mm x 156.9mm x 7.6mm
Weight170.0g175.0g
Display size6.2inch5.5inch
Display typeIPS LCDAMOLED
Screen resolution (width x height)1080 x 22461080 x 1920
Pixel density401ppi400ppi
Battery capacity3500.0mAh3600.0mAh
ChipsetQualcomm SDM636 Snapdragon 636Qualcomm MSM8998 Snapdragon 835
CPU specs1.8GHz+1.6GHz×8(8.0-cores)2.45GHz+1.9GHz×8(8.0-cores)
RAM size6.0GB6.0GB
Storage size128.0GB128.0GB
Rear-camera resolution20.0MP16.0MP
Front-camera resolution20.0MP8.0MP

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