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Which should you buy, the ZTE V40 Pro (2022) 128GB or Oppo K9x (2021) 256GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2022-07-19 16:26:02

ZTE V40 Pro (2022) 128GBOppo K9x (2021) 256GB
ZTE V40 Pro (2022) 128GBOppo K9x (2021) 256GB

How did the evaluations between the "ZTE V40 Pro (2022) 128GB" and "Oppo K9x (2021) 256GB" differ when we compared the two? We reviewed each of the most commonly scrutinized features. If you are thinking about which smartphone to get, check out this review immediately!

ZTE V40 Pro (2022) 128GBOppo K9x (2021) 256GB
ZTE V40 Pro (2022) 128GB

Oppo K9x (2021) 256GB

General rating:

76.3/100

(The 4332th of all smartphones)

77.1/100

(The 4272th of all smartphones)

Portability
59/100
61/100
Weight
54/100
52/100
Size of screen
91/100
90/100
Screen clarity
83/100
84/100
Battery duration
- /100
- /100
Processing capability
89/100
93/100
Memory capacity
90/100
93/100
Storage capacity
90/100
91/100
Rear camera function
100/100
100/100
Front camera function
75/100
75/100

Compare Performance and Usability

Size comparison of "ZTE V40 Pro (2022) 128GB" and "Oppo K9x (2021) 256GB". 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 "ZTE V40 Pro (2022) 128GB" is 76.2mm wide, 163.9mm tall, and 8.3mm thick. The "Oppo K9x (2021) 256GB" is 74.8mm tall, 162.2mm wide, and 8.8mm thick.

There is no real difference between the "ZTE V40 Pro (2022) 128GB" and "Oppo K9x (2021) 256GB" when comparing their width, thickness, and slimness; they are both around the same in terms of one-handed ease of use and carry. Because of this, it is better to compare them based on other aspects of performance and function.

There is no real difference in length or width between the "ZTE V40 Pro (2022) 128GB" and "Oppo K9x (2021) 256GB", so they are both about the same in terms of usability, ease of carry, and bulkiness. Because of this, it is better to compare them based on other aspects of performance and function.

When comparing their sizes as a whole, there is no real difference between the "ZTE V40 Pro (2022) 128GB"and "Oppo K9x (2021) 256GB". Thus they are roughly the same in terms of ease of carry and one-handed use. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreDimensions (width x height x thickness)
ZTE V40 Pro (2022) 128GB59/10076.2mm x 163.9mm x 8.3mm
Oppo K9x (2021) 256GB61/10074.8mm x 162.2mm x 8.8mm

Which one is easier to hold, "ZTE V40 Pro (2022) 128GB" or "Oppo K9x (2021) 256GB"? 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 "ZTE V40 Pro (2022) 128GB" weighs 190.0g. The "Oppo K9x (2021) 256GB" clocks in at 194.0g. The "ZTE V40 Pro (2022) 128GB" and "Oppo K9x (2021) 256GB" have around the same weight, so prolonged use will tire out fingers nd wrists to around the same degree. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreWeight
ZTE V40 Pro (2022) 128GB54/100190.0g
Oppo K9x (2021) 256GB52/100194.0g

Which is better in terms of display, "ZTE V40 Pro (2022) 128GB" or "Oppo K9x (2021) 256GB"?

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 "ZTE V40 Pro (2022) 128GB" is 6.67inch, and 6.49inch on the "Oppo K9x (2021) 256GB". The screens of the "ZTE V40 Pro (2022) 128GB" and "Oppo K9x (2021) 256GB" are roughly the same size, and so the ease of pressing app buttons are the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreDisplay size
ZTE V40 Pro (2022) 128GB91/1006.67inch
Oppo K9x (2021) 256GB90/1006.49inch

Which one has a better display, "ZTE V40 Pro (2022) 128GB" or "Oppo K9x (2021) 256GB"?

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 "ZTE V40 Pro (2022) 128GB" has a 1080 x 2400 resolution and a pixel density of 394ppi. The "Oppo K9x (2021) 256GB", on the other hand, has a screen resolution of 1080 x 2400 and a pixel density of 405ppi. There is not much of a difference in the pixel resolutions of the "ZTE V40 Pro (2022) 128GB" and "Oppo K9x (2021) 256GB", 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
ZTE V40 Pro (2022) 128GB83/100394ppi
Oppo K9x (2021) 256GB84/100405ppi

How is the battery duration of "ZTE V40 Pro (2022) 128GB" different from that of "Oppo K9x (2021) 256GB" ? 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.

ScoreBattery capacity
ZTE V40 Pro (2022) 128GB - /100
Oppo K9x (2021) 256GB - /100

Which is better in terms of CPU function, "ZTE V40 Pro (2022) 128GB" or "Oppo K9x (2021) 256GB"?

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 "ZTE V40 Pro (2022) 128GB" is equipped with a Unisoc Tiger T618 processor, and its performance speed is 2.0GHz+2.0GHz×8(8.0-cores). The "Oppo K9x (2021) 256GB" uses an MediaTek Dimensity 810 5G CPU that performs at a speed of 2.4GHz+2.0GHz×8(8.0-cores). There is also no real discrepancy between the CPU performances of the "ZTE V40 Pro (2022) 128GB" and "Oppo K9x (2021) 256GB". 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
ZTE V40 Pro (2022) 128GB89/1002.0GHz+2.0GHz×8(8.0-cores)
Oppo K9x (2021) 256GB93/1002.4GHz+2.0GHz×8(8.0-cores)

How is "ZTE V40 Pro (2022) 128GB" different from "Oppo K9x (2021) 256GB" 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 "ZTE V40 Pro (2022) 128GB" has 6.0GB of memory. The "Oppo K9x (2021) 256GB", on the other hand, has 8.0GB. Memory performance is roughly the same for both the "ZTE V40 Pro (2022) 128GB" and "Oppo K9x (2021) 256GB"; 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
ZTE V40 Pro (2022) 128GB90/1006.0GB
Oppo K9x (2021) 256GB93/1008.0GB

Which has a better storage capacity, "ZTE V40 Pro (2022) 128GB" or "Oppo K9x (2021) 256GB"?

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 "ZTE V40 Pro (2022) 128GB" has 128.0GB of storage, while the "Oppo K9x (2021) 256GB" has 256.0GB. There is no real difference between the "ZTE V40 Pro (2022) 128GB"and "Oppo K9x (2021) 256GB" '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
ZTE V40 Pro (2022) 128GB90/100128.0GB
Oppo K9x (2021) 256GB91/100256.0GB

Compare the rear cameras of "ZTE V40 Pro (2022) 128GB" and "Oppo K9x (2021) 256GB". 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 "ZTE V40 Pro (2022) 128GB" has 64.0MP. The "Oppo K9x (2021) 256GB" has 64.0MP. The rear facing cameras of the "ZTE V40 Pro (2022) 128GB" and "Oppo K9x (2021) 256GB" have roughly the same performance, so the quality of the photograph and video footage they can capture is around the same. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreRear-camera resolution
ZTE V40 Pro (2022) 128GB100/10064.0MP
Oppo K9x (2021) 256GB100/10064.0MP

Which has a front camera with better picture quality, "ZTE V40 Pro (2022) 128GB" or "Oppo K9x (2021) 256GB"?

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 "ZTE V40 Pro (2022) 128GB" has a resolution of 16.0MP. The "Oppo K9x (2021) 256GB"'s has 16.0MP. There is little difference between the camera capabilities and the pixel density of the "ZTE V40 Pro (2022) 128GB" and "Oppo K9x (2021) 256GB"'s front facing cameras, so the quality of photographs and video footage is virtually the same. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreFront-camera resolution
ZTE V40 Pro (2022) 128GB75/10016.0MP
Oppo K9x (2021) 256GB75/10016.0MP

Compare Performance Specs

ZTE V40 Pro (2022) 128GBOppo K9x (2021) 256GB
ImageZTE V40 Pro (2022) 128GBOppo K9x (2021) 256GB
MakerZTEOppo
Release date2022-07-082021-12-27
ColorDark Green/Iridescent WhiteBlack/Blue
OSAndroidAndroid
Dimensions (width x height x thickness)76.2mm x 163.9mm x 8.3mm74.8mm x 162.2mm x 8.8mm
Weight190.0g194.0g
Display size6.67inch6.49inch
Display typeAMOLEDIPS LCD
Screen resolution (width x height)1080 x 24001080 x 2400
Pixel density394ppi405ppi
ChipsetUnisoc Tiger T618MediaTek Dimensity 810 5G
CPU specs2.0GHz+2.0GHz×8(8.0-cores)2.4GHz+2.0GHz×8(8.0-cores)
RAM size6.0GB8.0GB
Storage size128.0GB256.0GB
Rear-camera resolution64.0MP64.0MP
Front-camera resolution16.0MP16.0MP

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