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Oppo A91 (2019) 128GB vs BLU Vivo 8 (2017) 64GB: Full Comparison!

Created date: 2019-12-19 17:06:09, Updated date: 2021-10-20 15:16:29

Oppo A91 (2019) 128GBBLU Vivo 8 (2017) 64GB
Oppo A91 (2019) 128GBBLU Vivo 8 (2017) 64GB

Here's our thorough comparison of the difference in performance and function between the "Oppo A91 (2019) 128GB" and "BLU Vivo 8 (2017) 64GB". Which one should you buy? We'll compare and explain what differs between the "Oppo A91 (2019) 128GB" and "BLU Vivo 8 (2017) 64GB" in a way that even people who aren't used to choosing between two similar products can understand.

Oppo A91 (2019) 128GBBLU Vivo 8 (2017) 64GB
Oppo A91 (2019) 128GB

BLU Vivo 8 (2017) 64GB

General rating:

73.3/100

(The 3352th of all smartphones)

60.3/100

(The 307th of all smartphones)

Portability
65/100
59/100
Weight
61/100
58/100
Size of screen
90/100
82/100
Screen clarity
85/100
85/100
Battery duration
80/100
80/100
Processing capability
92/100
75/100
Memory capacity
93/100
70/100
Storage capacity
90/100
67/100
Rear camera function
97/100
61/100
Front camera function
75/100
75/100

Compare Performance and Usability

Size comparison of "Oppo A91 (2019) 128GB" and "BLU Vivo 8 (2017) 64GB". 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 "BLU Vivo 8 (2017) 64GB" is 76.5mm tall, 154.5mm wide, and 8.3mm thick.

Comparing the width and thickness of the main unit, the "Oppo A91 (2019) 128GB" is smaller and more compact compared to the "BLU Vivo 8 (2017) 64GB". Therefore, it is easier to grip and hold the "Oppo A91 (2019) 128GB" than the "BLU Vivo 8 (2017) 64GB". For this reason, the "Oppo A91 (2019) 128GB" is recommended.

There is no real difference in length or width between the "Oppo A91 (2019) 128GB" and "BLU Vivo 8 (2017) 64GB", 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 "Oppo A91 (2019) 128GB"and "BLU Vivo 8 (2017) 64GB". 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)
Oppo A91 (2019) 128GB65/10073.3mm x 160.2mm x 7.9mm
BLU Vivo 8 (2017) 64GB59/10076.5mm x 154.5mm x 8.3mm

Which one is easier to hold, "Oppo A91 (2019) 128GB" or "BLU Vivo 8 (2017) 64GB"? 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 "BLU Vivo 8 (2017) 64GB" clocks in at 180.0g. The "Oppo A91 (2019) 128GB" and "BLU Vivo 8 (2017) 64GB" 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
Oppo A91 (2019) 128GB61/100172.0g
BLU Vivo 8 (2017) 64GB58/100180.0g

Which is better in terms of display, "Oppo A91 (2019) 128GB" or "BLU Vivo 8 (2017) 64GB"?

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 5.5inch on the "BLU Vivo 8 (2017) 64GB". Comparing the size of the display and screen, the screen size of the "Oppo A91 (2019) 128GB" is larger than that of the "BLU Vivo 8 (2017) 64GB", with a difference of approximately 0.9inch. As a result, there will be unintended touches on the "Oppo A91 (2019) 128GB" compared to the "BLU Vivo 8 (2017) 64GB" and it is possible to enjoy games and videos on a large screen. For this reason, the "Oppo A91 (2019) 128GB" is recommended.

ScoreDisplay size
Oppo A91 (2019) 128GB90/1006.4inch
BLU Vivo 8 (2017) 64GB82/1005.5inch

Which one has a better display, "Oppo A91 (2019) 128GB" or "BLU Vivo 8 (2017) 64GB"?

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 "BLU Vivo 8 (2017) 64GB", on the other hand, has a screen resolution of 1080 x 1920 and a pixel density of 400ppi. There is not much of a difference in the pixel resolutions of the "Oppo A91 (2019) 128GB" and "BLU Vivo 8 (2017) 64GB", 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
BLU Vivo 8 (2017) 64GB85/100400ppi

How is the battery duration of "Oppo A91 (2019) 128GB" different from that of "BLU Vivo 8 (2017) 64GB" ? 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 "BLU Vivo 8 (2017) 64GB" has a 4010.0mAh battery. The batteries of both the "Oppo A91 (2019) 128GB" and "BLU Vivo 8 (2017) 64GB" perform to the same extent. There is also no difference in the battery capacities of the "Oppo A91 (2019) 128GB" and the "BLU Vivo 8 (2017) 64GB". Since their battery life is practically identical, it would be better to compare them based on other aspects of performance and function.

ScoreBattery capacity
Oppo A91 (2019) 128GB80/1004025.0mAh
BLU Vivo 8 (2017) 64GB80/1004010.0mAh

Which is better in terms of CPU function, "Oppo A91 (2019) 128GB" or "BLU Vivo 8 (2017) 64GB"?

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 "BLU Vivo 8 (2017) 64GB" uses an Mediatek MT6755 Helio P10 CPU that performs at a speed of 2.0GHz+1.0GHz×8(8.0-cores). Comparing CPU performance, the "Oppo A91 (2019) 128GB" has significantly higher specs than the "BLU Vivo 8 (2017) 64GB". The "Oppo A91 (2019) 128GB" proves to be more advanced than the "BLU Vivo 8 (2017) 64GB" 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 "BLU Vivo 8 (2017) 64GB".

ScoreCPU specs
Oppo A91 (2019) 128GB92/1002.1GHz+2.0GHz×8(8.0-cores)
BLU Vivo 8 (2017) 64GB75/1002.0GHz+1.0GHz×8(8.0-cores)

How is "Oppo A91 (2019) 128GB" different from "BLU Vivo 8 (2017) 64GB" 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 "BLU Vivo 8 (2017) 64GB", on the other hand, has 4.0GB. As for memory performance, the "Oppo A91 (2019) 128GB" has a larger memory capacity than the "BLU Vivo 8 (2017) 64GB", with a difference of about 4GB. The "Oppo A91 (2019) 128GB" has better multitasking, less crashing, and runs 3D games and VR video better than the "BLU Vivo 8 (2017) 64GB". 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 "BLU Vivo 8 (2017) 64GB".

ScoreRAM size
Oppo A91 (2019) 128GB93/1008.0GB
BLU Vivo 8 (2017) 64GB70/1004.0GB

Which has a better storage capacity, "Oppo A91 (2019) 128GB" or "BLU Vivo 8 (2017) 64GB"?

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 "BLU Vivo 8 (2017) 64GB" has 64.0GB. In terms of ROM and data storage, the "Oppo A91 (2019) 128GB" has a much larger capacity than the "BLU Vivo 8 (2017) 64GB", with a difference of about 64GB. The "Oppo A91 (2019) 128GB" can save more photos and keep more apps installed than the "BLU Vivo 8 (2017) 64GB". 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 "BLU Vivo 8 (2017) 64GB".

ScoreStorage size
Oppo A91 (2019) 128GB90/100128.0GB
BLU Vivo 8 (2017) 64GB67/10064.0GB

Compare the rear cameras of "Oppo A91 (2019) 128GB" and "BLU Vivo 8 (2017) 64GB". 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 "BLU Vivo 8 (2017) 64GB" has 13.0MP. The rear-facing camera of the "Oppo A91 (2019) 128GB" also has a higher pixel count than the "BLU Vivo 8 (2017) 64GB", with a difference of about 35MP. The "Oppo A91 (2019) 128GB" is more capable than the "BLU Vivo 8 (2017) 64GB" 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 "BLU Vivo 8 (2017) 64GB".

ScoreRear-camera resolution
Oppo A91 (2019) 128GB97/10048.0MP
BLU Vivo 8 (2017) 64GB61/10013.0MP

Which has a front camera with better picture quality, "Oppo A91 (2019) 128GB" or "BLU Vivo 8 (2017) 64GB"?

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 "BLU Vivo 8 (2017) 64GB"'s has 16.0MP. There is little difference between the camera capabilities and the pixel density of the "Oppo A91 (2019) 128GB" and "BLU Vivo 8 (2017) 64GB"'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
Oppo A91 (2019) 128GB75/10016.0MP
BLU Vivo 8 (2017) 64GB75/10016.0MP

Compare Performance Specs

Oppo A91 (2019) 128GBBLU Vivo 8 (2017) 64GB
ImageOppo A91 (2019) 128GBBLU Vivo 8 (2017) 64GB
MakerOppoBLU
Release date2019-12-202017-08
ColorLightening Black/Unicorn White/Blazing Blue/RedBlack/Gold
OSAndroidAndroid
Dimensions (width x height x thickness)73.3mm x 160.2mm x 7.9mm76.5mm x 154.5mm x 8.3mm
Weight172.0g180.0g
Display size6.4inch5.5inch
Display typeAMOLEDIPS LCD
Screen resolution (width x height)1080 x 24001080 x 1920
Pixel density411ppi400ppi
Battery capacity4025.0mAh4010.0mAh
ChipsetMediatek MT6771V Helio P70Mediatek MT6755 Helio P10
CPU specs2.1GHz+2.0GHz×8(8.0-cores)2.0GHz+1.0GHz×8(8.0-cores)
RAM size8.0GB4.0GB
Storage size128.0GB64.0GB
Rear-camera resolution48.0MP13.0MP
Front-camera resolution16.0MP16.0MP

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