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OnePlus 8T (2020) 256GB vs. Oppo A9 (2019) 128GB Specs & Scores

Created date: 2020-10-13 20:51:28

OnePlus 8T (2020) 256GBOppo A9 (2019) 128GB
OnePlus 8T (2020) 256GBOppo A9 (2019) 128GB

Are you having trouble comparing the differences in features and performance of the "OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB", or unsure about their differences in ease-of-use, and wondering which to buy? We did a deep-dive comparison of the features, specs, and capabilities of these two smartphone, and provided our rating of which one was a better buy.

OnePlus 8T (2020) 256GBOppo A9 (2019) 128GB
OnePlus 8T (2020) 256GB

Oppo A9 (2019) 128GB

General rating:

81.7/100

(The 4027th of all smartphones)

70.6/100

(The 3438th of all smartphones)

Holding comfort
63/100
60/100
Weight
55/100
54/100
Screen size
90/100
90/100
Display quality
84/100
83/100
Battery life
- /100
80/100
Processing power
98/100
92/100
Memory capacity
99/100
93/100
Storage capacity
91/100
90/100
Rear camera performance
97/100
68/100
Front camera performance
75/100
75/100

"OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB", performance comparison

"OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB" 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 "OnePlus 8T (2020) 256GB" has a width of 74.1mm, a length of 160.7mm, and a thickness of 8.4mm. Also, the "Oppo A9 (2019) 128GB" has a width of 76.1mm, a length of 162.0mm, and a thickness of 8.3mm.

Comparing the width and thickness of the body, there isn't much difference between the "OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB" 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 "OnePlus 8T (2020) 256GB" and the "Oppo A9 (2019) 128GB". 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 "OnePlus 8T (2020) 256GB" and the "Oppo A9 (2019) 128GB". 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)
OnePlus 8T (2020) 256GB63/10074.1mm x 160.7mm x 8.4mm
Oppo A9 (2019) 128GB60/10076.1mm x 162.0mm x 8.3mm

"OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB", 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 "OnePlus 8T (2020) 256GB" is about 188.0g, and the weight of the "Oppo A9 (2019) 128GB" is about 190.0g. Comparing the weight of the two devices, there isn't much difference in weight between the "OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB". 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
OnePlus 8T (2020) 256GB55/100188.0g
Oppo A9 (2019) 128GB54/100190.0g

"OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB", 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 "OnePlus 8T (2020) 256GB" has a 6.55inch display. Also, the "Oppo A9 (2019) 128GB" has a 6.53inch display. Comparing the screen size, there is a negligible difference in screen size between the "OnePlus 8T (2020) 256GB" and the "Oppo A9 (2019) 128GB". 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
OnePlus 8T (2020) 256GB90/1006.55inch
Oppo A9 (2019) 128GB90/1006.53inch

"OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB", 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 "OnePlus 8T (2020) 256GB" is 1080 x 2400, and pixel density is 401ppi. Also, the resolution on the "Oppo A9 (2019) 128GB" is 1080 x 2340, and pixel density is 394ppi. Comparing the pixel count, the difference in pixel density between the "OnePlus 8T (2020) 256GB" and the "Oppo A9 (2019) 128GB" is negligible. As a result, they are both evenly matched in terms of picture quality and easiness on the eyes. Therefore, we recommend comparing them based on other aspects of performance and functionality.

ScorePixel density
OnePlus 8T (2020) 256GB84/100401ppi
Oppo A9 (2019) 128GB83/100394ppi

"OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB", 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.

ScoreBattery capacity
OnePlus 8T (2020) 256GB - /100
Oppo A9 (2019) 128GB80/1004020.0mAh

"OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB", 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 "OnePlus 8T (2020) 256GB"'s CPU is a Qualcomm SM8250 Snapdragon 865, with performance measured at 2.84GHz+2.42GHz+1.8GHz×8(8.0-cores). Also, the "Oppo A9 (2019) 128GB"'s CPU is a Mediatek MT6771V Helio P70, with performance measured at 2.1GHz+2.0GHz×8(8.0-cores). Comparing CPU performance, the "OnePlus 8T (2020) 256GB" has higher specs compared to the "Oppo A9 (2019) 128GB". For that reason, the "OnePlus 8T (2020) 256GB" allows for more comfortable use of apps, and games that run more smoothly. That's why we recommend the "OnePlus 8T (2020) 256GB" over the "Oppo A9 (2019) 128GB".

ScoreCPU specs
OnePlus 8T (2020) 256GB98/1002.84GHz+2.42GHz+1.8GHz×8(8.0-cores)
Oppo A9 (2019) 128GB92/1002.1GHz+2.0GHz×8(8.0-cores)

"OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB", 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 "OnePlus 8T (2020) 256GB" is 12.0GB and the weight of the "Oppo A9 (2019) 128GB" is 8.0GB. Comparing the devices in terms of RAM, the "OnePlus 8T (2020) 256GB" has more RAM than the "Oppo A9 (2019) 128GB", with a difference of about 4GB. For that reason the "OnePlus 8T (2020) 256GB" allows for smoother multitasking than the "Oppo A9 (2019) 128GB", and apps are less likely to crash. In addition the "OnePlus 8T (2020) 256GB" allows for smoother enjoyment of 3D games and VR. For this reason, we recommend the "OnePlus 8T (2020) 256GB".

ScoreRAM size
OnePlus 8T (2020) 256GB99/10012.0GB
Oppo A9 (2019) 128GB93/1008.0GB

"OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB", 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 "OnePlus 8T (2020) 256GB" is 256.0GB. Also the "Oppo A9 (2019) 128GB" is 128.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB". As a result, you can save roughly the same amount of pictures, and install roughly the same amount of applications, on either phone. You are better off comparing them based on other aspects of performance and functionality.

ScoreStorage size
OnePlus 8T (2020) 256GB91/100256.0GB
Oppo A9 (2019) 128GB90/100128.0GB

"OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB" 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.

"OnePlus 8T (2020) 256GB" has a 48.0MP main camera. Also, "Oppo A9 (2019) 128GB" has a 16.0MP main camera. Comparing rear camera performance, the "OnePlus 8T (2020) 256GB" has a much higher pixel count compared to the "Oppo A9 (2019) 128GB", with a roughly 32MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "OnePlus 8T (2020) 256GB" is superior to the "Oppo A9 (2019) 128GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "OnePlus 8T (2020) 256GB" over the "Oppo A9 (2019) 128GB".

ScoreRear-camera resolution
OnePlus 8T (2020) 256GB97/10048.0MP
Oppo A9 (2019) 128GB68/10016.0MP

"OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB", 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.

"OnePlus 8T (2020) 256GB" has an 16.0MP front camera and "Oppo A9 (2019) 128GB" has an 16.0MP front camera. Comparing rear camera performance, the "OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB" 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
OnePlus 8T (2020) 256GB75/10016.0MP
Oppo A9 (2019) 128GB75/10016.0MP

"OnePlus 8T (2020) 256GB" and "Oppo A9 (2019) 128GB", performance comparison by specification sheet

OnePlus 8T (2020) 256GBOppo A9 (2019) 128GB
ImageOnePlus 8T (2020) 256GBOppo A9 (2019) 128GB
MakerOnePlusOppo
Release date2020-10-162019-04
ColorAquamarine Green/Lunar SilverMica Green/Ice Jade White/Fluorite Purple
OSAndroidAndroid
Dimensions (width x height x thickness)74.1mm x 160.7mm x 8.4mm76.1mm x 162.0mm x 8.3mm
Weight188.0g190.0g
Display size6.55inch6.53inch
Display typeFluid AMOLEDLTPS IPS LCD
Screen resolution (width x height)1080 x 24001080 x 2340
Pixel density401ppi394ppi
ChipsetQualcomm SM8250 Snapdragon 865Mediatek MT6771V Helio P70
CPU specs2.84GHz+2.42GHz+1.8GHz×8(8.0-cores)2.1GHz+2.0GHz×8(8.0-cores)
RAM size12.0GB8.0GB
Storage size256.0GB128.0GB
Rear-camera resolution48.0MP16.0MP
Front-camera resolution16.0MP16.0MP

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