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Should you buy Galaxy S21 5G 256GB or Oppo A73 (2020) 128GB? Compare the differences in functions and specifications/performances thoroughly

Created date: 2021-01-13 21:35:28

Galaxy S21 5G 256GBOppo A73 (2020) 128GB
Galaxy S21 5G 256GBOppo A73 (2020) 128GB

Are you having trouble comparing the differences in features and performance of the "Galaxy S21 5G 256GB" and "Oppo A73 (2020) 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.

Galaxy S21 5G 256GBOppo A73 (2020) 128GB
Galaxy S21 5G 256GB

Oppo A73 (2020) 128GB

General rating:
Portabilityrating-image3.5
69/100
rating-image3.4
67/100
Weightrating-image3.1
62/100
rating-image3.3
65/100
Size of screenrating-image4.5
90/100
rating-image4.5
90/100
Screen clarityrating-image4.3
85/100
rating-image4.3
85/100
Battery durationrating-image
- /100
rating-image
- /100
Processing capabilityrating-image4.9
97/100
rating-image4.5
90/100
Memory capacityrating-image4.7
93/100
rating-image4.5
90/100
Storage capacityrating-image4.6
91/100
rating-image4.5
90/100
Rear camera functionrating-image5.0
100/100
rating-image3.4
68/100
Front camera functionrating-image3.2
64/100
rating-image3.8
75/100

Compare Performance and Usability

Size comparison of "Galaxy S21 5G 256GB" and "Oppo A73 (2020) 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 "Galaxy S21 5G 256GB" is 71.2mm wide, 151.7mm tall, and 7.9mm thick. The "Oppo A73 (2020) 128GB" is 72.9mm tall, 159.8mm wide, and 7.5mm thick.

There is no real difference between the "Galaxy S21 5G 256GB" and "Oppo A73 (2020) 128GB" when comparing their width, thickness, and slimness; they are both around the same in terms of one-handed ease of use and carry. Because of this, it is better to compare them based on other aspects of performance and function.

There is no real difference in length or width between the "Galaxy S21 5G 256GB" and "Oppo A73 (2020) 128GB", 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 "Galaxy S21 5G 256GB"and "Oppo A73 (2020) 128GB". 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)
Galaxy S21 5G 256GB69/10071.2mm x 151.7mm x 7.9mm
Oppo A73 (2020) 128GB67/10072.9mm x 159.8mm x 7.5mm

Which one is easier to hold, "Galaxy S21 5G 256GB" or "Oppo A73 (2020) 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 "Galaxy S21 5G 256GB" weighs 169.0g. The "Oppo A73 (2020) 128GB" clocks in at 163.0g. The "Galaxy S21 5G 256GB" and "Oppo A73 (2020) 128GB" have around the same weight, so prolonged use will tire out fingers nd wrists to around the same degree. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreWeight
Galaxy S21 5G 256GB62/100169.0g
Oppo A73 (2020) 128GB65/100163.0g

Which is better in terms of display, "Galaxy S21 5G 256GB" or "Oppo A73 (2020) 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 "Galaxy S21 5G 256GB" is 6.2inch, and 6.44inch on the "Oppo A73 (2020) 128GB". The screens of the "Galaxy S21 5G 256GB" and "Oppo A73 (2020) 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
Galaxy S21 5G 256GB90/1006.2inch
Oppo A73 (2020) 128GB90/1006.44inch

Which one has a better display, "Galaxy S21 5G 256GB" or "Oppo A73 (2020) 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 "Galaxy S21 5G 256GB" has a 1080 x 2400 resolution and a pixel density of 424ppi. The "Oppo A73 (2020) 128GB", on the other hand, has a screen resolution of 1080 x 2400 and a pixel density of 408ppi. There is not much of a difference in the pixel resolutions of the "Galaxy S21 5G 256GB" and "Oppo A73 (2020) 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
Galaxy S21 5G 256GB85/100424ppi
Oppo A73 (2020) 128GB85/100408ppi

How is the battery duration of "Galaxy S21 5G 256GB" different from that of "Oppo A73 (2020) 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.

ScoreBattery capacity
Galaxy S21 5G 256GB - /100
Oppo A73 (2020) 128GB - /100

Which is better in terms of CPU function, "Galaxy S21 5G 256GB" or "Oppo A73 (2020) 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 "Galaxy S21 5G 256GB" is equipped with a Exynos 2100 processor, and its performance speed is 2.9GHz+2.8GHz+2.2GHz×8(8.0-cores). The "Oppo A73 (2020) 128GB" uses an Qualcomm SM6115 Snapdragon 662 CPU that performs at a speed of 2.3GHz+1.8GHz×8(8.0-cores). Comparing their CPU performance, the "Galaxy S21 5G 256GB" has higher specs than the "Oppo A73 (2020) 128GB". For this reason, applications run better on the "Galaxy S21 5G 256GB" compared to the "Oppo A73 (2020) 128GB", and games run very smoothly. Therefore, the "Galaxy S21 5G 256GB" is recommended.

ScoreCPU specs
Galaxy S21 5G 256GB97/1002.9GHz+2.8GHz+2.2GHz×8(8.0-cores)
Oppo A73 (2020) 128GB90/1002.3GHz+1.8GHz×8(8.0-cores)

How is "Galaxy S21 5G 256GB" different from "Oppo A73 (2020) 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 "Galaxy S21 5G 256GB" has 8.0GB of memory. The "Oppo A73 (2020) 128GB", on the other hand, has 6.0GB. Memory performance is roughly the same for both the "Galaxy S21 5G 256GB" and "Oppo A73 (2020) 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
Galaxy S21 5G 256GB93/1008.0GB
Oppo A73 (2020) 128GB90/1006.0GB

Which has a better storage capacity, "Galaxy S21 5G 256GB" or "Oppo A73 (2020) 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 "Galaxy S21 5G 256GB" has 256.0GB of storage, while the "Oppo A73 (2020) 128GB" has 128.0GB. There is no real difference between the "Galaxy S21 5G 256GB"and "Oppo A73 (2020) 128GB" '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
Galaxy S21 5G 256GB91/100256.0GB
Oppo A73 (2020) 128GB90/100128.0GB

Compare the rear cameras of "Galaxy S21 5G 256GB" and "Oppo A73 (2020) 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 "Galaxy S21 5G 256GB" has 64.0MP. The "Oppo A73 (2020) 128GB" has 16.0MP. The rear-facing camera of the "Galaxy S21 5G 256GB" also has a higher pixel count than the "Oppo A73 (2020) 128GB", with a difference of about 48MP. The "Galaxy S21 5G 256GB" is more capable than the "Oppo A73 (2020) 128GB" of taking high-definition photos and videos, and produces better results when printing out the photos you have taken. If you want a smartphone that is designed for video and photography, we recommend buying the "Galaxy S21 5G 256GB" rather than the "Oppo A73 (2020) 128GB".

ScoreRear-camera resolution
Galaxy S21 5G 256GB100/10064.0MP
Oppo A73 (2020) 128GB68/10016.0MP

Which has a front camera with better picture quality, "Galaxy S21 5G 256GB" or "Oppo A73 (2020) 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 "Galaxy S21 5G 256GB" has a resolution of 10.0MP. The "Oppo A73 (2020) 128GB"'s has 16.0MP. The front-facing camera of the "Oppo A73 (2020) 128GB" has a significantly higher number of pixels than the "Galaxy S21 5G 256GB", with a difference of about 6MP. Therefore, the "Oppo A73 (2020) 128GB" is more suitable for taking photos and videos than the "Galaxy S21 5G 256GB". If you want to take and print high-quality selfies, we recommend buying the "Oppo A73 (2020) 128GB" rather than the "Galaxy S21 5G 256GB".

ScoreFront-camera resolution
Galaxy S21 5G 256GB64/10010.0MP
Oppo A73 (2020) 128GB75/10016.0MP

Compare Performance Specs

Galaxy S21 5G 256GBOppo A73 (2020) 128GB
ImageGalaxy S21 5G 256GBOppo A73 (2020) 128GB
MakerSamsungOppo
Release date2021-01-292020-11-20
ColorPhantom Gray/Phantom White/Phantom Violet/Phantom PinkNavy Blue/Classic Silver
OSAndroidAndroid
Dimensions (width x height x thickness)71.2mm x 151.7mm x 7.9mm72.9mm x 159.8mm x 7.5mm
Weight169.0g163.0g
Display size6.2inch6.44inch
Display typeDynamic AMOLED 2XAMOLED
Screen resolution (width x height)1080 x 24001080 x 2400
Pixel density424ppi408ppi
ChipsetExynos 2100Qualcomm SM6115 Snapdragon 662
CPU specs2.9GHz+2.8GHz+2.2GHz×8(8.0-cores)2.3GHz+1.8GHz×8(8.0-cores)
RAM size8.0GB6.0GB
Storage size256.0GB128.0GB
Rear-camera resolution64.0MP16.0MP
Front-camera resolution10.0MP16.0MP

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