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Should you buy Oppo A91 (2019) 128GB or Oppo Reno Ace 256GB? Compare the differences in functions and specifications/performances thoroughly

Created date: 2019-12-19 17:01:28, Updated date: 2021-10-20 15:30:08

Oppo A91 (2019) 128GBOppo Reno Ace 256GB
Oppo A91 (2019) 128GBOppo Reno Ace 256GB

How did the evaluations between the "Oppo A91 (2019) 128GB" and "Oppo Reno Ace 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!

Oppo A91 (2019) 128GBOppo Reno Ace 256GB
Oppo A91 (2019) 128GB

Oppo Reno Ace 256GB

General rating:
Portabilityrating-image3.3
73.3mm x 160.2mm x 7.9mm
rating-image3.0
75.7mm x 161.0mm x 8.7mm
Weightrating-image3.1
172.0g
rating-image2.5
200.0g
Size of screenrating-image4.5
6.4inch
rating-image4.5
6.5inch
Screen clarityrating-image4.3
411ppi
rating-image4.2
404ppi
Battery durationrating-image4.0
4025.0mAh
rating-image4.0
4000.0mAh
Processing capabilityrating-image4.6
2.1GHz+2.0GHz×8(8.0-cores)
rating-image4.9
2.96GHz+2.42GHz+1.8GHz×8(8.0-cores)
Memory capacityrating-image4.7
8.0GB
rating-image5.0
12.0GB
Storage capacityrating-image4.5
128.0GB
rating-image4.6
256.0GB
Rear camera functionrating-image4.9
48.0MP
rating-image4.9
48.0MP
Front camera functionrating-image3.8
16.0MP
rating-image3.8
16.0MP

Compare Performance and Usability

Size comparison of "Oppo A91 (2019) 128GB" and "Oppo Reno Ace 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 "Oppo A91 (2019) 128GB" is 73.3mm wide, 160.2mm tall, and 7.9mm thick. The "Oppo Reno Ace 256GB" is 75.7mm tall, 161.0mm wide, and 8.7mm thick.

Comparing the width and thickness of the main unit, the "Oppo A91 (2019) 128GB" is smaller and more compact compared to the "Oppo Reno Ace 256GB". Therefore, it is easier to grip and hold the "Oppo A91 (2019) 128GB" than the "Oppo Reno Ace 256GB". 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 "Oppo Reno Ace 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 "Oppo A91 (2019) 128GB"and "Oppo Reno Ace 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)
Oppo A91 (2019) 128GB65/10073.3mm x 160.2mm x 7.9mm
Oppo Reno Ace 256GB60/10075.7mm x 161.0mm x 8.7mm

Which one is easier to hold, "Oppo A91 (2019) 128GB" or "Oppo Reno Ace 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 "Oppo A91 (2019) 128GB" weighs 172.0g. The "Oppo Reno Ace 256GB" clocks in at 200.0g. If you compare the weight of the two, the "Oppo A91 (2019) 128GB" is a considerably lighter smartphone than the "Oppo Reno Ace 256GB", with a difference of about 28g. Because of this, the "Oppo A91 (2019) 128GB" puts less of a burden on the fingers and wrists than the "Oppo Reno Ace 256GB". 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 "Oppo A91 (2019) 128GB" rather than the "Oppo Reno Ace 256GB".

ScoreWeight
Oppo A91 (2019) 128GB61/100172.0g
Oppo Reno Ace 256GB50/100200.0g

Which is better in terms of display, "Oppo A91 (2019) 128GB" or "Oppo Reno Ace 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 "Oppo A91 (2019) 128GB" is 6.4inch, and 6.5inch on the "Oppo Reno Ace 256GB". The screens of the "Oppo A91 (2019) 128GB" and "Oppo Reno Ace 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
Oppo A91 (2019) 128GB90/1006.4inch
Oppo Reno Ace 256GB90/1006.5inch

Which one has a better display, "Oppo A91 (2019) 128GB" or "Oppo Reno Ace 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 "Oppo A91 (2019) 128GB" has a 1080 x 2400 resolution and a pixel density of 411ppi. The "Oppo Reno Ace 256GB", on the other hand, has a screen resolution of 1080 x 2400 and a pixel density of 404ppi. There is not much of a difference in the pixel resolutions of the "Oppo A91 (2019) 128GB" and "Oppo Reno Ace 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
Oppo A91 (2019) 128GB85/100411ppi
Oppo Reno Ace 256GB84/100404ppi

How is the battery duration of "Oppo A91 (2019) 128GB" different from that of "Oppo Reno Ace 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.

The "Oppo A91 (2019) 128GB" has a battery capacity of 4025.0mAh, while the "Oppo Reno Ace 256GB" has a 4000.0mAh battery. The batteries of both the "Oppo A91 (2019) 128GB" and "Oppo Reno Ace 256GB" perform to the same extent. There is also no difference in the battery capacities of the "Oppo A91 (2019) 128GB" and the "Oppo Reno Ace 256GB". 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
Oppo Reno Ace 256GB80/1004000.0mAh

Which is better in terms of CPU function, "Oppo A91 (2019) 128GB" or "Oppo Reno Ace 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 "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 "Oppo Reno Ace 256GB" uses an Qualcomm SDM855 Snapdragon 855+ CPU that performs at a speed of 2.96GHz+2.42GHz+1.8GHz×8(8.0-cores). Comparing their CPU performance, the "Oppo Reno Ace 256GB" has higher specs than the "Oppo A91 (2019) 128GB". For this reason, applications run better on the "Oppo Reno Ace 256GB" compared to the "Oppo A91 (2019) 128GB", and games run very smoothly. Therefore, the "Oppo Reno Ace 256GB" is recommended.

ScoreCPU specs
Oppo A91 (2019) 128GB92/1002.1GHz+2.0GHz×8(8.0-cores)
Oppo Reno Ace 256GB98/1002.96GHz+2.42GHz+1.8GHz×8(8.0-cores)

How is "Oppo A91 (2019) 128GB" different from "Oppo Reno Ace 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 "Oppo A91 (2019) 128GB" has 8.0GB of memory. The "Oppo Reno Ace 256GB", on the other hand, has 12.0GB. Comparing the memory performance, the "Oppo Reno Ace 256GB" has a larger memory capacity than the "Oppo A91 (2019) 128GB", with a difference of approximately 4GB. For this reason, multitasking is smoother on the "Oppo Reno Ace 256GB" than the "Oppo A91 (2019) 128GB", and applications are less likely to crash. Also, it is more enjoyable to play 3D games and VR on the "Oppo Reno Ace 256GB". For this reason, the "Oppo Reno Ace 256GB" is recommended.

ScoreRAM size
Oppo A91 (2019) 128GB93/1008.0GB
Oppo Reno Ace 256GB99/10012.0GB

Which has a better storage capacity, "Oppo A91 (2019) 128GB" or "Oppo Reno Ace 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 "Oppo A91 (2019) 128GB" has 128.0GB of storage, while the "Oppo Reno Ace 256GB" has 256.0GB. There is no real difference between the "Oppo A91 (2019) 128GB"and "Oppo Reno Ace 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
Oppo A91 (2019) 128GB90/100128.0GB
Oppo Reno Ace 256GB91/100256.0GB

Compare the rear cameras of "Oppo A91 (2019) 128GB" and "Oppo Reno Ace 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 "Oppo A91 (2019) 128GB" has 48.0MP. The "Oppo Reno Ace 256GB" has 48.0MP. The rear facing cameras of the "Oppo A91 (2019) 128GB" and "Oppo Reno Ace 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
Oppo A91 (2019) 128GB97/10048.0MP
Oppo Reno Ace 256GB97/10048.0MP

Which has a front camera with better picture quality, "Oppo A91 (2019) 128GB" or "Oppo Reno Ace 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 "Oppo A91 (2019) 128GB" has a resolution of 16.0MP. The "Oppo Reno Ace 256GB"'s has 16.0MP. There is little difference between the camera capabilities and the pixel density of the "Oppo A91 (2019) 128GB" and "Oppo Reno Ace 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
Oppo A91 (2019) 128GB75/10016.0MP
Oppo Reno Ace 256GB75/10016.0MP

Compare Performance Specs

Oppo A91 (2019) 128GBOppo Reno Ace 256GB
ImageOppo A91 (2019) 128GBOppo Reno Ace 256GB
MakerOppoOppo
Release date2019-12-202019-10
ColorLightening Black/Unicorn White/Blazing Blue/RedPsychedelic Purple/Starry Blue
OSAndroidAndroid
Dimensions (width x height x thickness)73.3mm x 160.2mm x 7.9mm75.7mm x 161.0mm x 8.7mm
Weight172.0g200.0g
Display size6.4inch6.5inch
Display typeAMOLEDAMOLED
Screen resolution (width x height)1080 x 24001080 x 2400
Pixel density411ppi404ppi
Battery capacity4025.0mAh4000.0mAh
ChipsetMediatek MT6771V Helio P70Qualcomm SDM855 Snapdragon 855+
CPU specs2.1GHz+2.0GHz×8(8.0-cores)2.96GHz+2.42GHz+1.8GHz×8(8.0-cores)
RAM size8.0GB12.0GB
Storage size128.0GB256.0GB
Rear-camera resolution48.0MP48.0MP
Front-camera resolution16.0MP16.0MP

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