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Oppo A91 (2019) 128GB vs ZTE nubia Z7 mini 16GB: Full Comparison!

Created date: 2019-12-19 18:31:53, Updated date: 2021-10-20 14:57:43

Oppo A91 (2019) 128GBZTE nubia Z7 mini 16GB
Oppo A91 (2019) 128GBZTE nubia Z7 mini 16GB

Here's our thorough comparison of the difference in performance and function between the "Oppo A91 (2019) 128GB" and "ZTE nubia Z7 mini 16GB". Which one should you buy? We'll compare and explain what differs between the "Oppo A91 (2019) 128GB" and "ZTE nubia Z7 mini 16GB" in a way that even people who aren't used to choosing between two similar products can understand.

Oppo A91 (2019) 128GBZTE nubia Z7 mini 16GB
Oppo A91 (2019) 128GB

ZTE nubia Z7 mini 16GB

General rating:

73.3/100

(The 3352th of all smartphones)

54.7/100

(The 2286th of all smartphones)

Portability
65/100
72/100
Weight
61/100
73/100
Size of screen
90/100
74/100
Screen clarity
85/100
85/100
Battery duration
80/100
54/100
Processing capability
92/100
52/100
Memory capacity
93/100
50/100
Storage capacity
90/100
50/100
Rear camera function
97/100
61/100
Front camera function
75/100
50/100

Compare Performance and Usability

Size comparison of "Oppo A91 (2019) 128GB" and "ZTE nubia Z7 mini 16GB". 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 "Oppo A91 (2019) 128GB" is 73.3mm wide, 160.2mm tall, and 7.9mm thick. The "ZTE nubia Z7 mini 16GB" is 69.3mm tall, 140.9mm wide, and 8.2mm thick.

Comparing the width and thickness of the main unit, the "ZTE nubia Z7 mini 16GB" is smaller and more compact compared to the "Oppo A91 (2019) 128GB". Therefore, it is easier to grip and hold the "ZTE nubia Z7 mini 16GB" than the "Oppo A91 (2019) 128GB". For this reason, the "ZTE nubia Z7 mini 16GB" is recommended.

Comparing the width and height of the main unit, the "ZTE nubia Z7 mini 16GB" is smaller and more compact than the "Oppo A91 (2019) 128GB". As a result, the "ZTE nubia Z7 mini 16GB" is easier to operate with one hand and it is more portable without getting in your way than the "Oppo A91 (2019) 128GB". Therefore, the "ZTE nubia Z7 mini 16GB" is recommended.

Comparing the overall size of the main unit, the "ZTE nubia Z7 mini 16GB" is smaller than the "Oppo A91 (2019) 128GB". As a result, it is easier to use the "ZTE nubia Z7 mini 16GB" with one hand compared to the "Oppo A91 (2019) 128GB", and its size makes it more comfortable to carry around. For this reason, the "ZTE nubia Z7 mini 16GB" is recommended.

ScoreDimensions (width x height x thickness)
Oppo A91 (2019) 128GB65/10073.3mm x 160.2mm x 7.9mm
ZTE nubia Z7 mini 16GB72/10069.3mm x 140.9mm x 8.2mm

Which one is easier to hold, "Oppo A91 (2019) 128GB" or "ZTE nubia Z7 mini 16GB"? 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 "Oppo A91 (2019) 128GB" weighs 172.0g. The "ZTE nubia Z7 mini 16GB" clocks in at 143.0g. If you compare the weight of the two, the "ZTE nubia Z7 mini 16GB" is a considerably lighter smartphone than the "Oppo A91 (2019) 128GB", with a difference of about 29g. Because of this, the "ZTE nubia Z7 mini 16GB" puts less of a burden on the fingers and wrists than the "Oppo A91 (2019) 128GB". 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 Z7 mini 16GB" rather than the "Oppo A91 (2019) 128GB".

ScoreWeight
Oppo A91 (2019) 128GB61/100172.0g
ZTE nubia Z7 mini 16GB73/100143.0g

Which is better in terms of display, "Oppo A91 (2019) 128GB" or "ZTE nubia Z7 mini 16GB"?

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 "Oppo A91 (2019) 128GB" is 6.4inch, and 5.0inch on the "ZTE nubia Z7 mini 16GB". Comparing the sizes of the screens and displays, the "Oppo A91 (2019) 128GB" is considerably larger than the "ZTE nubia Z7 mini 16GB", with a difference of about 1.4inch. Compared to the "ZTE nubia Z7 mini 16GB", the "Oppo A91 (2019) 128GB" makes buttons in apps easier to press, and the visuals look more impressive in videos and games. The larger screen of the "Oppo A91 (2019) 128GB" also has the advantage of being less tiring on the eyes. If you want to avoid tapping the wrong place, enjoy videos and games on a large screen, and not get tired eyes while using it, we recommend that you buy the "Oppo A91 (2019) 128GB" rather than the "ZTE nubia Z7 mini 16GB".

ScoreDisplay size
Oppo A91 (2019) 128GB90/1006.4inch
ZTE nubia Z7 mini 16GB74/1005.0inch

Which one has a better display, "Oppo A91 (2019) 128GB" or "ZTE nubia Z7 mini 16GB"?

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 "Oppo A91 (2019) 128GB" has a 1080 x 2400 resolution and a pixel density of 411ppi. The "ZTE nubia Z7 mini 16GB", on the other hand, has a screen resolution of 1080 x 1920 and a pixel density of 440ppi. There is not much of a difference in the pixel resolutions of the "Oppo A91 (2019) 128GB" and "ZTE nubia Z7 mini 16GB", 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
Oppo A91 (2019) 128GB85/100411ppi
ZTE nubia Z7 mini 16GB85/100440ppi

How is the battery duration of "Oppo A91 (2019) 128GB" different from that of "ZTE nubia Z7 mini 16GB" ? 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 "Oppo A91 (2019) 128GB" has a battery capacity of 4025.0mAh, while the "ZTE nubia Z7 mini 16GB" has a 2300.0mAh battery. With regards to battery performance, the "Oppo A91 (2019) 128GB" has a substantially larger battery capacity than the "ZTE nubia Z7 mini 16GB", with a difference of 1725mAh. The "Oppo A91 (2019) 128GB" can be used without charging for a longer time than the "ZTE nubia Z7 mini 16GB", 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 "Oppo A91 (2019) 128GB" rather than the "ZTE nubia Z7 mini 16GB".

ScoreBattery capacity
Oppo A91 (2019) 128GB80/1004025.0mAh
ZTE nubia Z7 mini 16GB54/1002300.0mAh

Which is better in terms of CPU function, "Oppo A91 (2019) 128GB" or "ZTE nubia Z7 mini 16GB"?

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 "Oppo A91 (2019) 128GB" is equipped with a Mediatek MT6771V Helio P70 processor, and its performance speed is 2.1GHz+2.0GHz×8(8.0-cores). The "ZTE nubia Z7 mini 16GB" uses an Qualcomm MSM8974AA Snapdragon 801 CPU that performs at a speed of 2.0GHz×4(4.0-cores). Comparing CPU performance, the "Oppo A91 (2019) 128GB" has significantly higher specs than the "ZTE nubia Z7 mini 16GB". The "Oppo A91 (2019) 128GB" proves to be more advanced than the "ZTE nubia Z7 mini 16GB" in the way that apps run quickly and games play smoothly. If you're looking for a high-spec smartphone that runs quickly and plays games smoothly, we recommend that you buy the "Oppo A91 (2019) 128GB" rather than the "ZTE nubia Z7 mini 16GB".

ScoreCPU specs
Oppo A91 (2019) 128GB92/1002.1GHz+2.0GHz×8(8.0-cores)
ZTE nubia Z7 mini 16GB52/1002.0GHz×4(4.0-cores)

How is "Oppo A91 (2019) 128GB" different from "ZTE nubia Z7 mini 16GB" 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 "Oppo A91 (2019) 128GB" has 8.0GB of memory. The "ZTE nubia Z7 mini 16GB", on the other hand, has 2.0GB. As for memory performance, the "Oppo A91 (2019) 128GB" has a larger memory capacity than the "ZTE nubia Z7 mini 16GB", with a difference of about 6GB. The "Oppo A91 (2019) 128GB" has better multitasking, less crashing, and runs 3D games and VR video better than the "ZTE nubia Z7 mini 16GB". If you're looking for a smartphone that will remain stable even when you are using multiple apps at the same time, and which will allow you to play 3D games and VR video comfortably, we recommend that you buy the "Oppo A91 (2019) 128GB" rather than the "ZTE nubia Z7 mini 16GB".

ScoreRAM size
Oppo A91 (2019) 128GB93/1008.0GB
ZTE nubia Z7 mini 16GB50/1002.0GB

Which has a better storage capacity, "Oppo A91 (2019) 128GB" or "ZTE nubia Z7 mini 16GB"?

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 "Oppo A91 (2019) 128GB" has 128.0GB of storage, while the "ZTE nubia Z7 mini 16GB" has 16.0GB. In terms of ROM and data storage, the "Oppo A91 (2019) 128GB" has a much larger capacity than the "ZTE nubia Z7 mini 16GB", with a difference of about 112GB. The "Oppo A91 (2019) 128GB" can save more photos and keep more apps installed than the "ZTE nubia Z7 mini 16GB". If you're searching for a smartphone that can store more data, we recommended that you buy the "Oppo A91 (2019) 128GB" rather than the "ZTE nubia Z7 mini 16GB".

ScoreStorage size
Oppo A91 (2019) 128GB90/100128.0GB
ZTE nubia Z7 mini 16GB50/10016.0GB

Compare the rear cameras of "Oppo A91 (2019) 128GB" and "ZTE nubia Z7 mini 16GB". 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 "Oppo A91 (2019) 128GB" has 48.0MP. The "ZTE nubia Z7 mini 16GB" has 13.0MP. The rear-facing camera of the "Oppo A91 (2019) 128GB" also has a higher pixel count than the "ZTE nubia Z7 mini 16GB", with a difference of about 35MP. The "Oppo A91 (2019) 128GB" is more capable than the "ZTE nubia Z7 mini 16GB" 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 "Oppo A91 (2019) 128GB" rather than the "ZTE nubia Z7 mini 16GB".

ScoreRear-camera resolution
Oppo A91 (2019) 128GB97/10048.0MP
ZTE nubia Z7 mini 16GB61/10013.0MP

Which has a front camera with better picture quality, "Oppo A91 (2019) 128GB" or "ZTE nubia Z7 mini 16GB"?

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 "Oppo A91 (2019) 128GB" has a resolution of 16.0MP. The "ZTE nubia Z7 mini 16GB"'s has 5.0MP. The front-facing camera of the "Oppo A91 (2019) 128GB" has a significantly higher number of pixels than the "ZTE nubia Z7 mini 16GB", with a difference of about 11MP. Therefore, the "Oppo A91 (2019) 128GB" is more suitable for taking photos and videos than the "ZTE nubia Z7 mini 16GB". If you want to take and print high-quality selfies, we recommend buying the "Oppo A91 (2019) 128GB" rather than the "ZTE nubia Z7 mini 16GB".

ScoreFront-camera resolution
Oppo A91 (2019) 128GB75/10016.0MP
ZTE nubia Z7 mini 16GB50/1005.0MP

Compare Performance Specs

Oppo A91 (2019) 128GBZTE nubia Z7 mini 16GB
ImageOppo A91 (2019) 128GBZTE nubia Z7 mini 16GB
MakerOppoZTE
Release date2019-12-202014-07
ColorLightening Black/Unicorn White/Blazing Blue/RedBlack/White/Red/Green/Yellow
OSAndroidAndroid
Dimensions (width x height x thickness)73.3mm x 160.2mm x 7.9mm69.3mm x 140.9mm x 8.2mm
Weight172.0g143.0g
Display size6.4inch5.0inch
Display typeAMOLEDIPS LCD
Screen resolution (width x height)1080 x 24001080 x 1920
Pixel density411ppi440ppi
Battery capacity4025.0mAh2300.0mAh
ChipsetMediatek MT6771V Helio P70Qualcomm MSM8974AA Snapdragon 801
CPU specs2.1GHz+2.0GHz×8(8.0-cores)2.0GHz×4(4.0-cores)
RAM size8.0GB2.0GB
Storage size128.0GB16.0GB
Rear-camera resolution48.0MP13.0MP
Front-camera resolution16.0MP5.0MP

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