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Samsung Galaxy A40 64GB vs Oppo A3 (2018) 128GB: Specs & Scores

Created date: 2019-03-20 05:30:18, Updated date: 2021-10-20 20:23:47

Samsung Galaxy A40 64GBOppo A3 (2018) 128GB
Samsung Galaxy A40 64GBOppo A3 (2018) 128GB

Are you having trouble comparing the differences in features and performance of the "Samsung Galaxy A40 64GB" and "Oppo A3 (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 A40 64GBOppo A3 (2018) 128GB
Samsung Galaxy A40 64GB

Oppo A3 (2018) 128GB

General rating:
Portabilityrating-image3.7
69.2mm x 144.4mm x 7.9mm
rating-image3.1
75.3mm x 156.0mm x 7.8mm
Weightrating-image3.7
140.0g
rating-image3.3
159.0g
Size of screenrating-image4.4
5.9inch
rating-image4.5
6.2inch
Screen clarityrating-image4.3
436ppi
rating-image4.3
406ppi
Battery durationrating-image3.3
3100.0mAh
rating-image3.6
3400.0mAh
Processing capabilityrating-image3.9
1.77GHz+1.59GHz×8(8.0-cores)
rating-image4.3
2.0GHz+2.0GHz×8(8.0-cores)
Memory capacityrating-image3.5
4.0GB
rating-image3.5
4.0GB
Storage capacityrating-image3.4
64.0GB
rating-image4.5
128.0GB
Rear camera functionrating-image3.4
16.0MP
rating-image3.4
16.0MP
Front camera functionrating-image4.4
25.0MP
rating-image2.9
8.0MP

Compare Performance and Usability

Size comparison of "Samsung Galaxy A40 64GB" and "Oppo A3 (2018) 128GB". 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 "Samsung Galaxy A40 64GB" is 69.2mm wide, 144.4mm tall, and 7.9mm thick. The "Oppo A3 (2018) 128GB" is 75.3mm tall, 156.0mm wide, and 7.8mm thick.

The "Samsung Galaxy A40 64GB" is also more compact than the "Oppo A3 (2018) 128GB" in terms of the thickness of the devices. The "Samsung Galaxy A40 64GB" is easier than the "Oppo A3 (2018) 128GB" to hold with one hand, and you are less likely to accidentally drop it. If you're looking for a smartphone that fits nicely in your hand and can be gripped firmly, we recommend buying the "Samsung Galaxy A40 64GB" rather than the "Oppo A3 (2018) 128GB".

Comparing the width and height of the main unit, the "Samsung Galaxy A40 64GB" is smaller and more compact than the "Oppo A3 (2018) 128GB". As a result, the "Samsung Galaxy A40 64GB" is easier to operate with one hand and it is more portable without getting in your way than the "Oppo A3 (2018) 128GB". Therefore, the "Samsung Galaxy A40 64GB" is recommended.

Comparing the overall size of the main unit, the "Samsung Galaxy A40 64GB" is smaller than the "Oppo A3 (2018) 128GB". As a result, it is easier to use the "Samsung Galaxy A40 64GB" with one hand compared to the "Oppo A3 (2018) 128GB", and its size makes it more comfortable to carry around. For this reason, the "Samsung Galaxy A40 64GB" is recommended.

ScoreDimensions (width x height x thickness)
Samsung Galaxy A40 64GB73/10069.2mm x 144.4mm x 7.9mm
Oppo A3 (2018) 128GB62/10075.3mm x 156.0mm x 7.8mm

Which one is easier to hold, "Samsung Galaxy A40 64GB" or "Oppo A3 (2018) 128GB"? 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 "Samsung Galaxy A40 64GB" weighs 140.0g. The "Oppo A3 (2018) 128GB" clocks in at 159.0g. Comparing the weight of the main unit, the "Samsung Galaxy A40 64GB" is a lighter phone than the "Oppo A3 (2018) 128GB", with a difference of approximately 19g. Therefore, there is less strain on your fingers and wrists even when you use your phone for a long time on the "Samsung Galaxy A40 64GB" compared to the "Oppo A3 (2018) 128GB". For this reason, the "Samsung Galaxy A40 64GB" is recommended.

ScoreWeight
Samsung Galaxy A40 64GB74/100140.0g
Oppo A3 (2018) 128GB66/100159.0g

Which is better in terms of display, "Samsung Galaxy A40 64GB" or "Oppo A3 (2018) 128GB"?

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 "Samsung Galaxy A40 64GB" is 5.9inch, and 6.2inch on the "Oppo A3 (2018) 128GB". The screens of the "Samsung Galaxy A40 64GB" and "Oppo A3 (2018) 128GB" 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
Samsung Galaxy A40 64GB88/1005.9inch
Oppo A3 (2018) 128GB90/1006.2inch

Which one has a better display, "Samsung Galaxy A40 64GB" or "Oppo A3 (2018) 128GB"?

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 "Samsung Galaxy A40 64GB" has a 1080 x 2340 resolution and a pixel density of 436ppi. The "Oppo A3 (2018) 128GB", on the other hand, has a screen resolution of 1080 x 2280 and a pixel density of 406ppi. There is not much of a difference in the pixel resolutions of the "Samsung Galaxy A40 64GB" and "Oppo A3 (2018) 128GB", 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
Samsung Galaxy A40 64GB85/100436ppi
Oppo A3 (2018) 128GB85/100406ppi

How is the battery duration of "Samsung Galaxy A40 64GB" different from that of "Oppo A3 (2018) 128GB" ? 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 "Samsung Galaxy A40 64GB" has a battery capacity of 3100.0mAh, while the "Oppo A3 (2018) 128GB" has a 3400.0mAh battery. The batteries of both the "Samsung Galaxy A40 64GB" and "Oppo A3 (2018) 128GB" perform to the same extent. There is also no difference in the battery capacities of the "Samsung Galaxy A40 64GB" and the "Oppo A3 (2018) 128GB". Since their battery life is practically identical, it would be better to compare them based on other aspects of performance and function.

ScoreBattery capacity
Samsung Galaxy A40 64GB66/1003100.0mAh
Oppo A3 (2018) 128GB71/1003400.0mAh

Which is better in terms of CPU function, "Samsung Galaxy A40 64GB" or "Oppo A3 (2018) 128GB"?

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 "Samsung Galaxy A40 64GB" is equipped with a Exynos 7904 processor, and its performance speed is 1.77GHz+1.59GHz×8(8.0-cores). The "Oppo A3 (2018) 128GB" uses an Mediatek MT6771 Helio P60 CPU that performs at a speed of 2.0GHz+2.0GHz×8(8.0-cores). Comparing their CPU performance, the "Oppo A3 (2018) 128GB" has higher specs than the "Samsung Galaxy A40 64GB". For this reason, applications run better on the "Oppo A3 (2018) 128GB" compared to the "Samsung Galaxy A40 64GB", and games run very smoothly. Therefore, the "Oppo A3 (2018) 128GB" is recommended.

ScoreCPU specs
Samsung Galaxy A40 64GB77/1001.77GHz+1.59GHz×8(8.0-cores)
Oppo A3 (2018) 128GB85/1002.0GHz+2.0GHz×8(8.0-cores)

How is "Samsung Galaxy A40 64GB" different from "Oppo A3 (2018) 128GB" 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 "Samsung Galaxy A40 64GB" has 4.0GB of memory. The "Oppo A3 (2018) 128GB", on the other hand, has 4.0GB. Memory performance is roughly the same for both the "Samsung Galaxy A40 64GB" and "Oppo A3 (2018) 128GB"; as a result, multitasking, playing 3D games, and using VR feels the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreRAM size
Samsung Galaxy A40 64GB70/1004.0GB
Oppo A3 (2018) 128GB70/1004.0GB

Which has a better storage capacity, "Samsung Galaxy A40 64GB" or "Oppo A3 (2018) 128GB"?

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 "Samsung Galaxy A40 64GB" has 64.0GB of storage, while the "Oppo A3 (2018) 128GB" has 128.0GB. In terms of ROM and data storage, the "Oppo A3 (2018) 128GB" has a much larger capacity than the "Samsung Galaxy A40 64GB", with a difference of about 64GB. The "Oppo A3 (2018) 128GB" can save more photos and keep more apps installed than the "Samsung Galaxy A40 64GB". If you're searching for a smartphone that can store more data, we recommended that you buy the "Oppo A3 (2018) 128GB" rather than the "Samsung Galaxy A40 64GB".

ScoreStorage size
Samsung Galaxy A40 64GB67/10064.0GB
Oppo A3 (2018) 128GB90/100128.0GB

Compare the rear cameras of "Samsung Galaxy A40 64GB" and "Oppo A3 (2018) 128GB". 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 "Samsung Galaxy A40 64GB" has 16.0MP. The "Oppo A3 (2018) 128GB" has 16.0MP. The rear facing cameras of the "Samsung Galaxy A40 64GB" and "Oppo A3 (2018) 128GB" 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
Samsung Galaxy A40 64GB68/10016.0MP
Oppo A3 (2018) 128GB68/10016.0MP

Which has a front camera with better picture quality, "Samsung Galaxy A40 64GB" or "Oppo A3 (2018) 128GB"?

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 "Samsung Galaxy A40 64GB" has a resolution of 25.0MP. The "Oppo A3 (2018) 128GB"'s has 8.0MP. The front-facing camera of the "Samsung Galaxy A40 64GB" has a significantly higher number of pixels than the "Oppo A3 (2018) 128GB", with a difference of about 17MP. Therefore, the "Samsung Galaxy A40 64GB" is more suitable for taking photos and videos than the "Oppo A3 (2018) 128GB". If you want to take and print high-quality selfies, we recommend buying the "Samsung Galaxy A40 64GB" rather than the "Oppo A3 (2018) 128GB".

ScoreFront-camera resolution
Samsung Galaxy A40 64GB88/10025.0MP
Oppo A3 (2018) 128GB58/1008.0MP

Compare Performance Specs

Samsung Galaxy A40 64GBOppo A3 (2018) 128GB
ImageSamsung Galaxy A40 64GBOppo A3 (2018) 128GB
MakerSamsungOppo
Release date2019-04-192018-05
ColorBlack/White/Blue/CoralKnight Black/Soybean Meal/Stardust Silver/Garnet Red
OSAndroidAndroid
Dimensions (width x height x thickness)69.2mm x 144.4mm x 7.9mm75.3mm x 156.0mm x 7.8mm
Weight140.0g159.0g
Display size5.9inch6.2inch
Display typeSuper AMOLEDLTPS IPS LCD
Screen resolution (width x height)1080 x 23401080 x 2280
Pixel density436ppi406ppi
Battery capacity3100.0mAh3400.0mAh
ChipsetExynos 7904Mediatek MT6771 Helio P60
CPU specs1.77GHz+1.59GHz×8(8.0-cores)2.0GHz+2.0GHz×8(8.0-cores)
RAM size4.0GB4.0GB
Storage size64.0GB128.0GB
Rear-camera resolution16.0MP16.0MP
Front-camera resolution25.0MP8.0MP

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