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Which should you buy, the Oppo A91 (2019) 128GB or Oppo A7n (2019) 64GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2019-12-19 16:55:49, Updated date: 2021-10-20 13:21:39

Oppo A91 (2019) 128GBOppo A7n (2019) 64GB
Oppo A91 (2019) 128GBOppo A7n (2019) 64GB

How did the evaluations between the "Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB" 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!

Oppo A91 (2019) 128GBOppo A7n (2019) 64GB
Oppo A91 (2019) 128GB

Oppo A7n (2019) 64GB

General rating:
Holding comfortrating-image3.3
73.3mm x 160.2mm x 7.9mm
rating-image3.1
75.4mm x 155.9mm x 8.2mm
Weightrating-image3.1
172.0g
rating-image3.1
170.0g
Screen sizerating-image4.5
6.4inch
rating-image4.5
6.2inch
Display qualityrating-image4.3
411ppi
rating-image2.7
271ppi
Battery liferating-image4.0
4025.0mAh
rating-image4.0
4230.0mAh
Processing powerrating-image4.6
2.1GHz+2.0GHz×8(8.0-cores)
rating-image4.4
2.3GHz+1.8GHz×8(8.0-cores)
Memory capacityrating-image4.7
8.0GB
rating-image3.5
4.0GB
Storage capacityrating-image4.5
128.0GB
rating-image3.4
64.0GB
Rear camera performancerating-image4.9
48.0MP
rating-image3.1
13.0MP
Front camera performancerating-image3.8
16.0MP
rating-image3.8
16.0MP

"Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB", performance comparison

"Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB" 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 "Oppo A91 (2019) 128GB" has a width of 73.3mm, a length of 160.2mm, and a thickness of 7.9mm. Also, the "Oppo A7n (2019) 64GB" has a width of 75.4mm, a length of 155.9mm, and a thickness of 8.2mm.

Comparing the width and thickness of the body, there isn't much difference between the "Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB" 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 "Oppo A91 (2019) 128GB" and the "Oppo A7n (2019) 64GB". 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 "Oppo A91 (2019) 128GB" and the "Oppo A7n (2019) 64GB". 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)
Oppo A91 (2019) 128GB65/10073.3mm x 160.2mm x 7.9mm
Oppo A7n (2019) 64GB61/10075.4mm x 155.9mm x 8.2mm

"Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB", 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 "Oppo A91 (2019) 128GB" is about 172.0g, and the weight of the "Oppo A7n (2019) 64GB" is about 170.0g. Comparing the weight of the two devices, there isn't much difference in weight between the "Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB". 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
Oppo A91 (2019) 128GB61/100172.0g
Oppo A7n (2019) 64GB62/100170.0g

"Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB", 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 "Oppo A91 (2019) 128GB" has a 6.4inch display. Also, the "Oppo A7n (2019) 64GB" has a 6.2inch display. Comparing the screen size, there is a negligible difference in screen size between the "Oppo A91 (2019) 128GB" and the "Oppo A7n (2019) 64GB". As a result, the app buttons on both are equally easy to press. We recommend comparing them based on other aspects of performance and functionality.

ScoreDisplay size
Oppo A91 (2019) 128GB90/1006.4inch
Oppo A7n (2019) 64GB90/1006.2inch

"Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB", 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 "Oppo A91 (2019) 128GB" is 1080 x 2400, and pixel density is 411ppi. Also, the resolution on the "Oppo A7n (2019) 64GB" is 720 x 1520, and pixel density is 271ppi. Comparing the pixel count, the "Oppo A91 (2019) 128GB" has much higher pixel density than the "Oppo A7n (2019) 64GB", with a difference of roughly 140ppi. In terms of having better picture quality and exerting less strain on the eyes, the "Oppo A91 (2019) 128GB" is superior to the "Oppo A7n (2019) 64GB". If you are looking for a smartphone that is easy on the eyes, displaying texts and pictures clearly without any blurring, we recommend the "Oppo A91 (2019) 128GB" over the "Oppo A7n (2019) 64GB".

ScorePixel density
Oppo A91 (2019) 128GB85/100411ppi
Oppo A7n (2019) 64GB54/100271ppi

"Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB", 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 "Oppo A91 (2019) 128GB" is 4025.0mAh, and the "Oppo A7n (2019) 64GB" is 4230.0mAh. Regarding battery capacity, there is a negligible difference in battery capacity between the "Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB". Since both have roughly equal battery life, you are better off comparing them based on other aspects of performance and functionality.

ScoreBattery capacity
Oppo A91 (2019) 128GB80/1004025.0mAh
Oppo A7n (2019) 64GB80/1004230.0mAh

"Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB", 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 "Oppo A91 (2019) 128GB"'s CPU is a Mediatek MT6771V Helio P70, with performance measured at 2.1GHz+2.0GHz×8(8.0-cores). Also, the "Oppo A7n (2019) 64GB"'s CPU is a Mediatek MT6765 Helio P35, with performance measured at 2.3GHz+1.8GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "Oppo A91 (2019) 128GB" and the "Oppo A7n (2019) 64GB". 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
Oppo A91 (2019) 128GB92/1002.1GHz+2.0GHz×8(8.0-cores)
Oppo A7n (2019) 64GB88/1002.3GHz+1.8GHz×8(8.0-cores)

"Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB", 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 "Oppo A91 (2019) 128GB" is 8.0GB and the weight of the "Oppo A7n (2019) 64GB" is 4.0GB. Comparing the devices in terms of RAM, the "Oppo A91 (2019) 128GB" has a significantly larger amount of RAM than the "Oppo A7n (2019) 64GB", with a difference of about 4GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "Oppo A91 (2019) 128GB" is superior to the "Oppo A7n (2019) 64GB". 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 "Oppo A91 (2019) 128GB" over the "Oppo A7n (2019) 64GB".

ScoreRAM size
Oppo A91 (2019) 128GB93/1008.0GB
Oppo A7n (2019) 64GB70/1004.0GB

"Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB", 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 "Oppo A91 (2019) 128GB" is 128.0GB. Also the "Oppo A7n (2019) 64GB" is 64.0GB. Regarding storage capacity, the "Oppo A91 (2019) 128GB" has a much larger data storage capacity compared to the "Oppo A7n (2019) 64GB", with a roughly 64GB difference. In terms of the number of pictures you can save and the applications that you can install, the "Oppo A91 (2019) 128GB" is superior to the "Oppo A7n (2019) 64GB". If you are looking for a smartphone that can save more data, we recommend the "Oppo A91 (2019) 128GB" over the "Oppo A7n (2019) 64GB".

ScoreStorage size
Oppo A91 (2019) 128GB90/100128.0GB
Oppo A7n (2019) 64GB67/10064.0GB

"Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB" 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.

"Oppo A91 (2019) 128GB" has a 48.0MP main camera. Also, "Oppo A7n (2019) 64GB" has a 13.0MP main camera. Comparing rear camera performance, the "Oppo A91 (2019) 128GB" has a much higher pixel count compared to the "Oppo A7n (2019) 64GB", with a roughly 35MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Oppo A91 (2019) 128GB" is superior to the "Oppo A7n (2019) 64GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Oppo A91 (2019) 128GB" over the "Oppo A7n (2019) 64GB".

ScoreRear-camera resolution
Oppo A91 (2019) 128GB97/10048.0MP
Oppo A7n (2019) 64GB61/10013.0MP

"Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB", 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.

"Oppo A91 (2019) 128GB" has an 16.0MP front camera and "Oppo A7n (2019) 64GB" has an 16.0MP front camera. Comparing rear camera performance, the "Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB" 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
Oppo A91 (2019) 128GB75/10016.0MP
Oppo A7n (2019) 64GB75/10016.0MP

"Oppo A91 (2019) 128GB" and "Oppo A7n (2019) 64GB", performance comparison by specification sheet

Oppo A91 (2019) 128GBOppo A7n (2019) 64GB
ImageOppo A91 (2019) 128GBOppo A7n (2019) 64GB
MakerOppoOppo
Release date2019-12-202019-05
ColorLightening Black/Unicorn White/Blazing Blue/RedGreen
OSAndroidAndroid
Dimensions (width x height x thickness)73.3mm x 160.2mm x 7.9mm75.4mm x 155.9mm x 8.2mm
Weight172.0g170.0g
Display size6.4inch6.2inch
Display typeAMOLEDS-IPS LCD
Screen resolution (width x height)1080 x 2400720 x 1520
Pixel density411ppi271ppi
Battery capacity4025.0mAh4230.0mAh
ChipsetMediatek MT6771V Helio P70Mediatek MT6765 Helio P35
CPU specs2.1GHz+2.0GHz×8(8.0-cores)2.3GHz+1.8GHz×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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