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Xiaomi Redmi K30 Ultra 512GB vs ZTE nubia Z17s 128GB: Full Comparison!

Created date: 2020-08-10 21:29:56

Xiaomi Redmi K30 Ultra 512GBZTE nubia Z17s 128GB
Xiaomi Redmi K30 Ultra 512GBZTE nubia Z17s 128GB

Are you having trouble comparing the differences in features and performance of the "Xiaomi Redmi K30 Ultra 512GB" and "ZTE nubia Z17s 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.

Xiaomi Redmi K30 Ultra 512GBZTE nubia Z17s 128GB
Xiaomi Redmi K30 Ultra 512GB

ZTE nubia Z17s 128GB

General rating:
Portabilityrating-image3.0
59/100
rating-image3.3
65/100
Weightrating-image2.4
48/100
rating-image3.1
62/100
Size of screenrating-image4.6
91/100
rating-image4.3
85/100
Screen clarityrating-image4.2
83/100
rating-image4.2
84/100
Battery durationrating-image4.1
81/100
rating-image3.3
66/100
Processing capabilityrating-image4.7
94/100
rating-image4.7
93/100
Memory capacityrating-image4.7
93/100
rating-image4.7
93/100
Storage capacityrating-image4.8
95/100
rating-image4.5
90/100
Rear camera functionrating-image5.0
100/100
rating-image4.3
85/100
Front camera functionrating-image4.1
81/100
rating-image2.5
50/100

Compare Performance and Usability

Size comparison of "Xiaomi Redmi K30 Ultra 512GB" and "ZTE nubia Z17s 128GB". Which one would you choose?

Your device's size has a huge influence on how easy it is to hold or to operate with one hand. The smaller your device's width, the easier it will be to hold, but you'll also need to take device thickness into account. And when the length and width are both smaller, you'll find that it's much easier for you to operate it one-handed, since your fingers will find it much easier to reach where you want them to. On the other hand, longer lengths and wider widths might lead to devices that are hard to carry in your pocket, bulky even when you keep them in your bag, and all around less portable.

The "Xiaomi Redmi K30 Ultra 512GB" is 75.4mm wide, 163.3mm tall, and 9.1mm thick. The "ZTE nubia Z17s 128GB" is 72.7mm tall, 147.5mm wide, and 8.5mm thick.

Comparing the width and thickness of the main unit, the "ZTE nubia Z17s 128GB" is smaller and more compact compared to the "Xiaomi Redmi K30 Ultra 512GB". Therefore, it is easier to grip and hold the "ZTE nubia Z17s 128GB" than the "Xiaomi Redmi K30 Ultra 512GB". For this reason, the "ZTE nubia Z17s 128GB" is recommended.

Comparing the width and height of the main unit, the "ZTE nubia Z17s 128GB" is smaller and more compact than the "Xiaomi Redmi K30 Ultra 512GB". As a result, the "ZTE nubia Z17s 128GB" is easier to operate with one hand and it is more portable without getting in your way than the "Xiaomi Redmi K30 Ultra 512GB". Therefore, the "ZTE nubia Z17s 128GB" is recommended.

Comparing the overall size of the main unit, the "ZTE nubia Z17s 128GB" is smaller than the "Xiaomi Redmi K30 Ultra 512GB". As a result, it is easier to use the "ZTE nubia Z17s 128GB" with one hand compared to the "Xiaomi Redmi K30 Ultra 512GB", and its size makes it more comfortable to carry around. For this reason, the "ZTE nubia Z17s 128GB" is recommended.

ScoreDimensions (width x height x thickness)
Xiaomi Redmi K30 Ultra 512GB59/10075.4mm x 163.3mm x 9.1mm
ZTE nubia Z17s 128GB65/10072.7mm x 147.5mm x 8.5mm

Which one is easier to hold, "Xiaomi Redmi K30 Ultra 512GB" or "ZTE nubia Z17s 128GB"? Compare weight

The device weight will effect how quickly you tire from holding it, and how much stress is put on your wrist. The lighter it is, the longer you can hold it without feeling tired. Also, less stress on your wrist will make using it easier and more pleasant. Unless the weight is right for you, it might put too much strain on your body and make using it more stressful.

The "Xiaomi Redmi K30 Ultra 512GB" weighs 213.0g. The "ZTE nubia Z17s 128GB" clocks in at 170.0g. If you compare the weight of the two, the "ZTE nubia Z17s 128GB" is a considerably lighter smartphone than the "Xiaomi Redmi K30 Ultra 512GB", with a difference of about 43g. Because of this, the "ZTE nubia Z17s 128GB" puts less of a burden on the fingers and wrists than the "Xiaomi Redmi K30 Ultra 512GB". If you want a smartphone that won't tire your hands out even when using it for a long time, we recommend that you buy the "ZTE nubia Z17s 128GB" rather than the "Xiaomi Redmi K30 Ultra 512GB".

ScoreWeight
Xiaomi Redmi K30 Ultra 512GB48/100213.0g
ZTE nubia Z17s 128GB62/100170.0g

Which is better in terms of display, "Xiaomi Redmi K30 Ultra 512GB" or "ZTE nubia Z17s 128GB"?

Screen size influences how well you can control your device, as well as how clear the display is. With a large screen, the text and buttons in apps will display large enough so you'll be less likely to accidentally tap the button next to the one you were aiming for. Plus, you'll be able to enjoy more high-impact visuals for games and movies.

The screen size on the "Xiaomi Redmi K30 Ultra 512GB" is 6.67inch, and 5.73inch on the "ZTE nubia Z17s 128GB". Comparing the size of the display and screen, the screen size of the "Xiaomi Redmi K30 Ultra 512GB" is larger than that of the "ZTE nubia Z17s 128GB", with a difference of approximately 0.93inch. As a result, there will be unintended touches on the "Xiaomi Redmi K30 Ultra 512GB" compared to the "ZTE nubia Z17s 128GB" and it is possible to enjoy games and videos on a large screen. For this reason, the "Xiaomi Redmi K30 Ultra 512GB" is recommended.

ScoreDisplay size
Xiaomi Redmi K30 Ultra 512GB91/1006.67inch
ZTE nubia Z17s 128GB85/1005.73inch

Which one has a better display, "Xiaomi Redmi K30 Ultra 512GB" or "ZTE nubia Z17s 128GB"?

Pixel density influences how nice your device's screen looks, with high pixel densities making screens look more beautiful, and letting you get more out of your games and movies. Plus, the nicer you screen looks, the less strain you'll be putting on your eyes, so you'll tend to be able to use your device for longer before your eyes get tired.

The screen on the "Xiaomi Redmi K30 Ultra 512GB" has a 1080 x 2400 resolution and a pixel density of 394ppi. The "ZTE nubia Z17s 128GB", on the other hand, has a screen resolution of 1080 x 2040 and a pixel density of 402ppi. There is not much of a difference in the pixel resolutions of the "Xiaomi Redmi K30 Ultra 512GB" and "ZTE nubia Z17s 128GB", so they are about the same in terms of clarity of image and gentleness on the eyes. For this reason it is better to compare them based on other aspects of performance and function.

ScorePixel density
Xiaomi Redmi K30 Ultra 512GB83/100394ppi
ZTE nubia Z17s 128GB84/100402ppi

How is the battery duration of "Xiaomi Redmi K30 Ultra 512GB" different from that of "ZTE nubia Z17s 128GB" ? See the differences

Battery performance has a big effect on the battery life of your device. However, a high battery capacity doesn't necessarily mean a long battery life. Rather, the rate of power consumption needs to be taken into consideration as well. The larger the screen and the higher the CPU performance, the higher the rate of power consumption on your battery.

The "Xiaomi Redmi K30 Ultra 512GB" has a battery capacity of 4500.0mAh, while the "ZTE nubia Z17s 128GB" has a 3100.0mAh battery. With regards to battery performance, the "Xiaomi Redmi K30 Ultra 512GB" has a substantially larger battery capacity than the "ZTE nubia Z17s 128GB", with a difference of 1400mAh. The "Xiaomi Redmi K30 Ultra 512GB" can be used without charging for a longer time than the "ZTE nubia Z17s 128GB", so it can be used when out and about. If you want a smartphone with a longer-lasting battery, we recommend that you buy the "Xiaomi Redmi K30 Ultra 512GB" rather than the "ZTE nubia Z17s 128GB".

ScoreBattery capacity
Xiaomi Redmi K30 Ultra 512GB81/1004500.0mAh
ZTE nubia Z17s 128GB66/1003100.0mAh

Which is better in terms of CPU function, "Xiaomi Redmi K30 Ultra 512GB" or "ZTE nubia Z17s 128GB"?

Your CPU's speed will influence the processing power of the applications you run, and together with the number of cores in the CPU, as well as its clock frequency, will determine the processing power available for apps. The higher these performance factors, the smoother your games and apps will run. Conversely, if these factors are too low, your apps and games will be sluggish and struggle to run.

The "Xiaomi Redmi K30 Ultra 512GB" is equipped with a Mediatek Dimensity 1000+ processor, and its performance speed is 2.6GHz+2.0GHz×8(8.0-cores). The "ZTE nubia Z17s 128GB" uses an Qualcomm MSM8998 Snapdragon 835 CPU that performs at a speed of 2.45GHz+1.9GHz×8(8.0-cores). There is also no real discrepancy between the CPU performances of the "Xiaomi Redmi K30 Ultra 512GB" and "ZTE nubia Z17s 128GB". Because of this, both phones will feel practically identical in terms of smoothness when running apps and ease of game play. This is why it is better to compare them based on other aspects of performance and function.

ScoreCPU specs
Xiaomi Redmi K30 Ultra 512GB94/1002.6GHz+2.0GHz×8(8.0-cores)
ZTE nubia Z17s 128GB93/1002.45GHz+1.9GHz×8(8.0-cores)

How is "Xiaomi Redmi K30 Ultra 512GB" different from "ZTE nubia Z17s 128GB" in terms of memory capacity?

Your device's multimedia performance and app stability are both influenced by the amount of memory it has available. The more memory, the more apps you can use simultaneously, while keeping everything stable and smooth. Plus, there'll be less chance of animations lagging or apps crashing. You also need to keep in mind that some games won't run at all if there's not enough memory available.

The "Xiaomi Redmi K30 Ultra 512GB" has 8.0GB of memory. The "ZTE nubia Z17s 128GB", on the other hand, has 8.0GB. Memory performance is roughly the same for both the "Xiaomi Redmi K30 Ultra 512GB" and "ZTE nubia Z17s 128GB"; as a result, multitasking, playing 3D games, and using VR feels the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreRAM size
Xiaomi Redmi K30 Ultra 512GB93/1008.0GB
ZTE nubia Z17s 128GB93/1008.0GB

Which has a better storage capacity, "Xiaomi Redmi K30 Ultra 512GB" or "ZTE nubia Z17s 128GB"?

Storage capacity determines the amount of data you'll be able to save on your device. The more storage you have, the more photos you can take and the more apps you can install. Plus, if your smartphone is compatible with SD cards, then you can increase the amount of available storage. However, SD cards have a slower writespeed, making them less desirable in terms of performance, and users should be aware that it won't be possible to transfer all kinds of data to the card.

The "Xiaomi Redmi K30 Ultra 512GB" has 512.0GB of storage, while the "ZTE nubia Z17s 128GB" has 128.0GB. There is no real difference between the "Xiaomi Redmi K30 Ultra 512GB"and "ZTE nubia Z17s 128GB" 's ROMs and storage capacities, so both can store roughly the same amount of photographs and apps. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreStorage size
Xiaomi Redmi K30 Ultra 512GB95/100512.0GB
ZTE nubia Z17s 128GB90/100128.0GB

Compare the rear cameras of "Xiaomi Redmi K30 Ultra 512GB" and "ZTE nubia Z17s 128GB". Which one has better picture quality?

One factor in how well your rear camera (the camera on the back of your device) performs is its megapixel count. With a higher megapixel count, you'll be able to take photos with sharper detail, photos that stay clear and sharp even when printed.

The main camera on the "Xiaomi Redmi K30 Ultra 512GB" has 64.0MP. The "ZTE nubia Z17s 128GB" has 23.0MP. The rear-facing camera of the "Xiaomi Redmi K30 Ultra 512GB" also has a higher pixel count than the "ZTE nubia Z17s 128GB", with a difference of about 41MP. The "Xiaomi Redmi K30 Ultra 512GB" is more capable than the "ZTE nubia Z17s 128GB" of taking high-definition photos and videos, and produces better results when printing out the photos you have taken. If you want a smartphone that is designed for video and photography, we recommend buying the "Xiaomi Redmi K30 Ultra 512GB" rather than the "ZTE nubia Z17s 128GB".

ScoreRear-camera resolution
Xiaomi Redmi K30 Ultra 512GB100/10064.0MP
ZTE nubia Z17s 128GB85/10023.0MP

Which has a front camera with better picture quality, "Xiaomi Redmi K30 Ultra 512GB" or "ZTE nubia Z17s 128GB"?

One indication of how well your forward facing camera (the camera on the same side as your device's screen) performs is how many megapixels it has. More megapixels means you'll be able to take photos with sharper detail, that still look amazing printed out.

The forward-facing camera on the "Xiaomi Redmi K30 Ultra 512GB" has a resolution of 20.0MP. The "ZTE nubia Z17s 128GB"'s has 5.0MP. The front-facing camera of the "Xiaomi Redmi K30 Ultra 512GB" has a significantly higher number of pixels than the "ZTE nubia Z17s 128GB", with a difference of about 15MP. Therefore, the "Xiaomi Redmi K30 Ultra 512GB" is more suitable for taking photos and videos than the "ZTE nubia Z17s 128GB". If you want to take and print high-quality selfies, we recommend buying the "Xiaomi Redmi K30 Ultra 512GB" rather than the "ZTE nubia Z17s 128GB".

ScoreFront-camera resolution
Xiaomi Redmi K30 Ultra 512GB81/10020.0MP
ZTE nubia Z17s 128GB50/1005.0MP

Compare Performance Specs

Xiaomi Redmi K30 Ultra 512GBZTE nubia Z17s 128GB
ImageXiaomi Redmi K30 Ultra 512GBZTE nubia Z17s 128GB
MakerXiaomiZTE
Release date2020-08-142017-10
ColorMoonlight White/Midnight Black/Mint GreenAurora Blue/Black Gold
OSAndroidAndroid
Dimensions (width x height x thickness)75.4mm x 163.3mm x 9.1mm72.7mm x 147.5mm x 8.5mm
Weight213.0g170.0g
Display size6.67inch5.73inch
Display typeAMOLEDLTPS IPS LCD
Screen resolution (width x height)1080 x 24001080 x 2040
Pixel density394ppi402ppi
Battery capacity4500.0mAh3100.0mAh
ChipsetMediatek Dimensity 1000+Qualcomm MSM8998 Snapdragon 835
CPU specs2.6GHz+2.0GHz×8(8.0-cores)2.45GHz+1.9GHz×8(8.0-cores)
RAM size8.0GB8.0GB
Storage size512.0GB128.0GB
Rear-camera resolution64.0MP23.0MP
Front-camera resolution20.0MP5.0MP

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