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Which should you buy, the Lenovo Z6 (2019) 128GB or Lenovo K9 (2018) 32GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2019-07-05 06:14:53, Updated date: 2020-04-16 17:02:57

Lenovo Z6 (2019) 128GBLenovo K9 (2018) 32GB
Lenovo Z6 (2019) 128GBLenovo K9 (2018) 32GB

Here's our thorough comparison of the difference in performance and function between the "Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB". Which one should you buy? We'll compare and explain what differs between the "Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB" in a way that even people who aren't used to choosing between two similar products can understand.

Lenovo Z6 (2019) 128GBLenovo K9 (2018) 32GB
Lenovo Z6 (2019) 128GB

Lenovo K9 (2018) 32GB

General rating:
Holding comfortrating-image3.2
63/100
rating-image3.3
66/100
Weightrating-image3.3
66/100
rating-image3.4
68/100
Screen sizerating-image4.5
90/100
rating-image4.3
85/100
Display qualityrating-image4.2
84/100
rating-image2.9
57/100
Battery liferating-image4.0
80/100
rating-image3.3
65/100
Processing powerrating-image4.6
92/100
rating-image4.4
88/100
Memory capacityrating-image4.7
93/100
rating-image3.0
60/100
Storage capacityrating-image4.5
90/100
rating-image2.8
55/100
Rear camera performancerating-image4.4
87/100
rating-image3.1
61/100
Front camera performancerating-image3.8
75/100
rating-image3.6
71/100

"Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB", performance comparison

"Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB" 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 Z6 (2019) 128GB" has a width of 74.5mm, a length of 157.0mm, and a thickness of 8.0mm. Also, the "Lenovo K9 (2018) 32GB" has a width of 72.9mm, a length of 153.8mm, and a thickness of 8.0mm.

Comparing the width and thickness of the body, there isn't much difference between the "Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB" 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 Z6 (2019) 128GB" and the "Lenovo K9 (2018) 32GB". 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 Z6 (2019) 128GB" and the "Lenovo K9 (2018) 32GB". 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 Z6 (2019) 128GB63/10074.5mm x 157.0mm x 8.0mm
Lenovo K9 (2018) 32GB66/10072.9mm x 153.8mm x 8.0mm

"Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB", 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 Z6 (2019) 128GB" is about 159.0g, and the weight of the "Lenovo K9 (2018) 32GB" is about 155.0g. Comparing the weight of the two devices, there isn't much difference in weight between the "Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB". 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 Z6 (2019) 128GB66/100159.0g
Lenovo K9 (2018) 32GB68/100155.0g

"Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB", 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 Z6 (2019) 128GB" has a 6.39inch display. Also, the "Lenovo K9 (2018) 32GB" has a 5.7inch display. Comparing the screen size, the "Lenovo Z6 (2019) 128GB" has a larger screen compared to the "Lenovo K9 (2018) 32GB", with a roughly 0.68inch difference. As a result, the user is less likely to mistap when using apps on the "Lenovo Z6 (2019) 128GB" than on the "Lenovo K9 (2018) 32GB", and is also able to enjoy videos and games on a larger screen. Therefore, we recommend the "Lenovo Z6 (2019) 128GB".

ScoreDisplay size
Lenovo Z6 (2019) 128GB90/1006.39inch
Lenovo K9 (2018) 32GB85/1005.7inch

"Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB", 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 Z6 (2019) 128GB" is 1080 x 2340, and pixel density is 403ppi. Also, the resolution on the "Lenovo K9 (2018) 32GB" is 720 x 1440, and pixel density is 282ppi. Comparing the pixel count, the "Lenovo Z6 (2019) 128GB" has much higher pixel density than the "Lenovo K9 (2018) 32GB", with a difference of roughly 121ppi. In terms of having better picture quality and exerting less strain on the eyes, the "Lenovo Z6 (2019) 128GB" is superior to the "Lenovo K9 (2018) 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 "Lenovo Z6 (2019) 128GB" over the "Lenovo K9 (2018) 32GB".

ScorePixel density
Lenovo Z6 (2019) 128GB84/100403ppi
Lenovo K9 (2018) 32GB57/100282ppi

"Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB", 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 Z6 (2019) 128GB" is 4000.0mAh, and the "Lenovo K9 (2018) 32GB" is 3000.0mAh. Regarding battery capacity, the "Lenovo Z6 (2019) 128GB" has greater battery capacity than the "Lenovo K9 (2018) 32GB", with a 1000mAh difference. Since the "Lenovo Z6 (2019) 128GB" can be used for longer periods without recharging than the "Lenovo K9 (2018) 32GB", it is great for outdoor use. If you want a smartphone with a longer battery life, we recommend the "Lenovo Z6 (2019) 128GB" over the "Lenovo K9 (2018) 32GB".

ScoreBattery capacity
Lenovo Z6 (2019) 128GB80/1004000.0mAh
Lenovo K9 (2018) 32GB65/1003000.0mAh

"Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB", 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 Z6 (2019) 128GB"'s CPU is a Qualcomm SDM730 Snapdragon 730, with performance measured at 2.2GHz+1.8GHz×8(8.0-cores). Also, the "Lenovo K9 (2018) 32GB"'s CPU is a Mediatek MT6762 Helio P22, with performance measured at 2.0GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "Lenovo Z6 (2019) 128GB" and the "Lenovo K9 (2018) 32GB". 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 Z6 (2019) 128GB92/1002.2GHz+1.8GHz×8(8.0-cores)
Lenovo K9 (2018) 32GB88/1002.0GHz×8(8.0-cores)

"Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB", 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 Z6 (2019) 128GB" is 8.0GB and the weight of the "Lenovo K9 (2018) 32GB" is 3.0GB. Comparing the devices in terms of RAM, the "Lenovo Z6 (2019) 128GB" has a significantly larger amount of RAM than the "Lenovo K9 (2018) 32GB", with a difference of about 5GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "Lenovo Z6 (2019) 128GB" is superior to the "Lenovo K9 (2018) 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 "Lenovo Z6 (2019) 128GB" over the "Lenovo K9 (2018) 32GB".

ScoreRAM size
Lenovo Z6 (2019) 128GB93/1008.0GB
Lenovo K9 (2018) 32GB60/1003.0GB

"Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB", 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 Z6 (2019) 128GB" is 128.0GB. Also the "Lenovo K9 (2018) 32GB" is 32.0GB. Regarding storage capacity, the "Lenovo Z6 (2019) 128GB" has a much larger data storage capacity compared to the "Lenovo K9 (2018) 32GB", with a roughly 96GB difference. In terms of the number of pictures you can save and the applications that you can install, the "Lenovo Z6 (2019) 128GB" is superior to the "Lenovo K9 (2018) 32GB". If you are looking for a smartphone that can save more data, we recommend the "Lenovo Z6 (2019) 128GB" over the "Lenovo K9 (2018) 32GB".

ScoreStorage size
Lenovo Z6 (2019) 128GB90/100128.0GB
Lenovo K9 (2018) 32GB55/10032.0GB

"Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB" 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 Z6 (2019) 128GB" has a 24.0MP main camera. Also, "Lenovo K9 (2018) 32GB" has a 13.0MP main camera. Comparing rear camera performance, the "Lenovo Z6 (2019) 128GB" has a much higher pixel count compared to the "Lenovo K9 (2018) 32GB", with a roughly 11MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Lenovo Z6 (2019) 128GB" is superior to the "Lenovo K9 (2018) 32GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Lenovo Z6 (2019) 128GB" over the "Lenovo K9 (2018) 32GB".

ScoreRear-camera resolution
Lenovo Z6 (2019) 128GB87/10024.0MP
Lenovo K9 (2018) 32GB61/10013.0MP

"Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB", 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 Z6 (2019) 128GB" has an 16.0MP front camera and "Lenovo K9 (2018) 32GB" has an 13.0MP front camera. Comparing rear camera performance, the "Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB" 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
Lenovo Z6 (2019) 128GB75/10016.0MP
Lenovo K9 (2018) 32GB71/10013.0MP

"Lenovo Z6 (2019) 128GB" and "Lenovo K9 (2018) 32GB", performance comparison by specification sheet

Lenovo Z6 (2019) 128GBLenovo K9 (2018) 32GB
ImageLenovo Z6 (2019) 128GBLenovo K9 (2018) 32GB
MakerLenovoLenovo
Release date2019-072018-10
ColorBlueBlack/Blue
OSAndroidAndroid
Dimensions (width x height x thickness)74.5mm x 157.0mm x 8.0mm72.9mm x 153.8mm x 8.0mm
Weight159.0g155.0g
Display size6.39inch5.7inch
Display typeSuper AMOLEDIPS LCD
Screen resolution (width x height)1080 x 2340720 x 1440
Pixel density403ppi282ppi
Battery capacity4000.0mAh3000.0mAh
ChipsetQualcomm SDM730 Snapdragon 730Mediatek MT6762 Helio P22
CPU specs2.2GHz+1.8GHz×8(8.0-cores)2.0GHz×8(8.0-cores)
RAM size8.0GB3.0GB
Storage size128.0GB32.0GB
Rear-camera resolution24.0MP13.0MP
Front-camera resolution16.0MP13.0MP

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