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Which should you buy, the Samsung Galaxy Note9 512GB or Oppo A7x (2018) 128GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2018-11-18 11:58:27, Updated date: 2021-10-20 15:45:48

Samsung Galaxy Note9 512GBOppo A7x (2018) 128GB
Samsung Galaxy Note9 512GBOppo A7x (2018) 128GB

Are you having trouble comparing the differences in features and performance of the "Samsung Galaxy Note9 512GB" and "Oppo A7x (2018) 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.

Samsung Galaxy Note9 512GBOppo A7x (2018) 128GB
Samsung Galaxy Note9 512GB

Oppo A7x (2018) 128GB

General rating:

74.6/100

(The 3297th of all smartphones)

70.1/100

(The 3453th of all smartphones)

Holding comfort
58/100
64/100
Weight
49/100
62/100
Screen size
90/100
90/100
Display quality
87/100
85/100
Battery life
80/100
72/100
Processing power
94/100
85/100
Memory capacity
93/100
70/100
Storage capacity
95/100
90/100
Rear camera performance
59/100
68/100
Front camera performance
58/100
75/100

"Samsung Galaxy Note9 512GB" and "Oppo A7x (2018) 128GB", performance comparison

"Samsung Galaxy Note9 512GB" and "Oppo A7x (2018) 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 "Samsung Galaxy Note9 512GB" has a width of 76.4mm, a length of 161.9mm, and a thickness of 8.8mm. Also, the "Oppo A7x (2018) 128GB" has a width of 74.0mm, a length of 156.7mm, and a thickness of 8.0mm.

Comparing the width and thickness of the body, the "Oppo A7x (2018) 128GB" is smaller and more compact compared to the "Samsung Galaxy Note9 512GB". For that reason, the "Oppo A7x (2018) 128GB" is easier to grip firmly and carry one-handed than the "Samsung Galaxy Note9 512GB". For that reason, we recommend the "Oppo A7x (2018) 128GB".

Comparing the width and thickness of the body, there isn't a large difference in size between the "Samsung Galaxy Note9 512GB" and the "Oppo A7x (2018) 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 "Samsung Galaxy Note9 512GB" and the "Oppo A7x (2018) 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)
Samsung Galaxy Note9 512GB58/10076.4mm x 161.9mm x 8.8mm
Oppo A7x (2018) 128GB64/10074.0mm x 156.7mm x 8.0mm

"Samsung Galaxy Note9 512GB" and "Oppo A7x (2018) 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 "Samsung Galaxy Note9 512GB" is about 201.0g, and the weight of the "Oppo A7x (2018) 128GB" is about 169.0g. Comparing the weight of the two devices, the "Oppo A7x (2018) 128GB" is a considerably lighter smart phone than the "Samsung Galaxy Note9 512GB", and there is a difference of about 32g. In terms of the burden placed upon your fingers and wrist, the "Oppo A7x (2018) 128GB" is superior to the "Samsung Galaxy Note9 512GB". If you are going for a smart phone that won't lead to hand fatigue even after extended use, and is less likely to place a burden on your fingers, we recommend purchasing the "Oppo A7x (2018) 128GB" over the "Samsung Galaxy Note9 512GB".

ScoreWeight
Samsung Galaxy Note9 512GB49/100201.0g
Oppo A7x (2018) 128GB62/100169.0g

"Samsung Galaxy Note9 512GB" and "Oppo A7x (2018) 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 "Samsung Galaxy Note9 512GB" has a 6.4inch display. Also, the "Oppo A7x (2018) 128GB" has a 6.3inch display. Comparing the screen size, there is a negligible difference in screen size between the "Samsung Galaxy Note9 512GB" and the "Oppo A7x (2018) 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
Samsung Galaxy Note9 512GB90/1006.4inch
Oppo A7x (2018) 128GB90/1006.3inch

"Samsung Galaxy Note9 512GB" and "Oppo A7x (2018) 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 "Samsung Galaxy Note9 512GB" is 1440 x 2960, and pixel density is 514ppi. Also, the resolution on the "Oppo A7x (2018) 128GB" is 1080 x 2340, and pixel density is 409ppi. Comparing the pixel count, the difference in pixel density between the "Samsung Galaxy Note9 512GB" and the "Oppo A7x (2018) 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
Samsung Galaxy Note9 512GB87/100514ppi
Oppo A7x (2018) 128GB85/100409ppi

"Samsung Galaxy Note9 512GB" and "Oppo A7x (2018) 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.

The "Samsung Galaxy Note9 512GB" is 4000.0mAh, and the "Oppo A7x (2018) 128GB" is 3500.0mAh. Regarding battery capacity, the "Samsung Galaxy Note9 512GB" has greater battery capacity than the "Oppo A7x (2018) 128GB", with a 500mAh difference. If battery is a priority, then the "Samsung Galaxy Note9 512GB" is recommended over the "Oppo A7x (2018) 128GB".

ScoreBattery capacity
Samsung Galaxy Note9 512GB80/1004000.0mAh
Oppo A7x (2018) 128GB72/1003500.0mAh

"Samsung Galaxy Note9 512GB" and "Oppo A7x (2018) 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 "Samsung Galaxy Note9 512GB"'s CPU is a Exynos 9810, with performance measured at 2.7GHz+1.8GHz×8(8.0-cores). Also, the "Oppo A7x (2018) 128GB"'s CPU is a Mediatek MT6771 Helio P60, with performance measured at 2.0GHz+2.0GHz×8(8.0-cores). Comparing CPU performance, the "Samsung Galaxy Note9 512GB" has higher specs compared to the "Oppo A7x (2018) 128GB". For that reason, the "Samsung Galaxy Note9 512GB" allows for more comfortable use of apps, and games that run more smoothly. That's why we recommend the "Samsung Galaxy Note9 512GB" over the "Oppo A7x (2018) 128GB".

ScoreCPU specs
Samsung Galaxy Note9 512GB94/1002.7GHz+1.8GHz×8(8.0-cores)
Oppo A7x (2018) 128GB85/1002.0GHz+2.0GHz×8(8.0-cores)

"Samsung Galaxy Note9 512GB" and "Oppo A7x (2018) 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 "Samsung Galaxy Note9 512GB" is 8.0GB and the weight of the "Oppo A7x (2018) 128GB" is 4.0GB. Comparing the devices in terms of RAM, the "Samsung Galaxy Note9 512GB" has a significantly larger amount of RAM than the "Oppo A7x (2018) 128GB", with a difference of about 4GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "Samsung Galaxy Note9 512GB" is superior to the "Oppo A7x (2018) 128GB". 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 "Samsung Galaxy Note9 512GB" over the "Oppo A7x (2018) 128GB".

ScoreRAM size
Samsung Galaxy Note9 512GB93/1008.0GB
Oppo A7x (2018) 128GB70/1004.0GB

"Samsung Galaxy Note9 512GB" and "Oppo A7x (2018) 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 "Samsung Galaxy Note9 512GB" is 512.0GB. Also the "Oppo A7x (2018) 128GB" is 128.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Samsung Galaxy Note9 512GB" and "Oppo A7x (2018) 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
Samsung Galaxy Note9 512GB95/100512.0GB
Oppo A7x (2018) 128GB90/100128.0GB

"Samsung Galaxy Note9 512GB" and "Oppo A7x (2018) 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.

"Samsung Galaxy Note9 512GB" has a 12.0MP main camera. Also, "Oppo A7x (2018) 128GB" has a 16.0MP main camera. Comparing rear camera performance, the "Oppo A7x (2018) 128GB" has a higher pixel count than the "Samsung Galaxy Note9 512GB", with a roughly 4MP difference. As a result, the "Oppo A7x (2018) 128GB" is better able to take high quality landscape pictures than the "Samsung Galaxy Note9 512GB", and the pictures will look cleaner when printed. Therefore, we recommend the "Oppo A7x (2018) 128GB".

ScoreRear-camera resolution
Samsung Galaxy Note9 512GB59/10012.0MP
Oppo A7x (2018) 128GB68/10016.0MP

"Samsung Galaxy Note9 512GB" and "Oppo A7x (2018) 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.

"Samsung Galaxy Note9 512GB" has an 8.0MP front camera and "Oppo A7x (2018) 128GB" has an 16.0MP front camera. Comparing rear camera performance, the front camera of the "Oppo A7x (2018) 128GB" has a much higher pixel count compared to the "Samsung Galaxy Note9 512GB", with a roughly 8MP difference. As a result, the "Oppo A7x (2018) 128GB" is more suited than the "Samsung Galaxy Note9 512GB" for shooting videos and taking pictures. If you are looking for a smartphone that is suited for shooting high resolution selfies which will look clean when printed, we recommend the "Oppo A7x (2018) 128GB" over the "Samsung Galaxy Note9 512GB".

ScoreFront-camera resolution
Samsung Galaxy Note9 512GB58/1008.0MP
Oppo A7x (2018) 128GB75/10016.0MP

"Samsung Galaxy Note9 512GB" and "Oppo A7x (2018) 128GB", performance comparison by specification sheet

Samsung Galaxy Note9 512GBOppo A7x (2018) 128GB
ImageSamsung Galaxy Note9 512GBOppo A7x (2018) 128GB
MakerSamsungOppo
Release date2018-082018-09
ColorMetallic Copper/Lavender Purple/Ocean Blue/Midnight Black/Pure White/Alpine WhiteStarry Purple/Ice Flame Blue
OSAndroidAndroid
Dimensions (width x height x thickness)76.4mm x 161.9mm x 8.8mm74.0mm x 156.7mm x 8.0mm
Weight201.0g169.0g
Display size6.4inch6.3inch
Display typeSuper AMOLEDLTPS IPS LCD
Screen resolution (width x height)1440 x 29601080 x 2340
Pixel density514ppi409ppi
Battery capacity4000.0mAh3500.0mAh
ChipsetExynos 9810Mediatek MT6771 Helio P60
CPU specs2.7GHz+1.8GHz×8(8.0-cores)2.0GHz+2.0GHz×8(8.0-cores)
RAM size8.0GB4.0GB
Storage size512.0GB128.0GB
Rear-camera resolution12.0MP16.0MP
Front-camera resolution8.0MP16.0MP

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