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Oppo K9s (2021) 256GB vs Oppo F19s (2021) 128GB: Full Comparison!

Created date: 2021-11-18 20:04:14

Oppo K9s (2021) 256GBOppo F19s (2021) 128GB
Oppo K9s (2021) 256GBOppo F19s (2021) 128GB

How did the evaluations between the "Oppo K9s (2021) 256GB" and "Oppo F19s (2021) 128GB" 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 K9s (2021) 256GBOppo F19s (2021) 128GB
Oppo K9s (2021) 256GB

Oppo F19s (2021) 128GB

General rating:

76.7/100

(The 4295th of all smartphones)

74.1/100

(The - of all smartphones)

Portability
60/100
64/100
Weight
50/100
60/100
Size of screen
90/100
90/100
Screen clarity
84/100
85/100
Battery duration
- /100
- /100
Processing capability
93/100
89/100
Memory capacity
93/100
90/100
Storage capacity
91/100
90/100
Rear camera function
100/100
97/100
Front camera function
75/100
75/100

Compare Performance and Usability

Size comparison of "Oppo K9s (2021) 256GB" and "Oppo F19s (2021) 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 "Oppo K9s (2021) 256GB" is 75.9mm wide, 164.4mm tall, and 8.5mm thick. The "Oppo F19s (2021) 128GB" is 73.8mm tall, 160.3mm wide, and 8.0mm thick.

There is no real difference between the "Oppo K9s (2021) 256GB" and "Oppo F19s (2021) 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 "Oppo K9s (2021) 256GB" and "Oppo F19s (2021) 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 "Oppo K9s (2021) 256GB"and "Oppo F19s (2021) 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)
Oppo K9s (2021) 256GB60/10075.9mm x 164.4mm x 8.5mm
Oppo F19s (2021) 128GB64/10073.8mm x 160.3mm x 8.0mm

Which one is easier to hold, "Oppo K9s (2021) 256GB" or "Oppo F19s (2021) 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 "Oppo K9s (2021) 256GB" weighs 199.0g. The "Oppo F19s (2021) 128GB" clocks in at 175.0g. Comparing the weight of the main unit, the "Oppo F19s (2021) 128GB" is a lighter phone than the "Oppo K9s (2021) 256GB", with a difference of approximately 24g. Therefore, there is less strain on your fingers and wrists even when you use your phone for a long time on the "Oppo F19s (2021) 128GB" compared to the "Oppo K9s (2021) 256GB". For this reason, the "Oppo F19s (2021) 128GB" is recommended.

ScoreWeight
Oppo K9s (2021) 256GB50/100199.0g
Oppo F19s (2021) 128GB60/100175.0g

Which is better in terms of display, "Oppo K9s (2021) 256GB" or "Oppo F19s (2021) 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 "Oppo K9s (2021) 256GB" is 6.59inch, and 6.43inch on the "Oppo F19s (2021) 128GB". The screens of the "Oppo K9s (2021) 256GB" and "Oppo F19s (2021) 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
Oppo K9s (2021) 256GB90/1006.59inch
Oppo F19s (2021) 128GB90/1006.43inch

Which one has a better display, "Oppo K9s (2021) 256GB" or "Oppo F19s (2021) 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 "Oppo K9s (2021) 256GB" has a 1080 x 2412 resolution and a pixel density of 401ppi. The "Oppo F19s (2021) 128GB", on the other hand, has a screen resolution of 1080 x 2400 and a pixel density of 409ppi. There is not much of a difference in the pixel resolutions of the "Oppo K9s (2021) 256GB" and "Oppo F19s (2021) 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
Oppo K9s (2021) 256GB84/100401ppi
Oppo F19s (2021) 128GB85/100409ppi

How is the battery duration of "Oppo K9s (2021) 256GB" different from that of "Oppo F19s (2021) 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
Oppo K9s (2021) 256GB - /100
Oppo F19s (2021) 128GB - /100

Which is better in terms of CPU function, "Oppo K9s (2021) 256GB" or "Oppo F19s (2021) 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 "Oppo K9s (2021) 256GB" is equipped with a Qualcomm SM7325 Snapdragon 778G 5G processor, and its performance speed is 2.4GHz+1.9GHz×8(8.0-cores). The "Oppo F19s (2021) 128GB" uses an Qualcomm SM6115 Snapdragon 662 CPU that performs at a speed of 2.0GHz+1.8GHz×8(8.0-cores). There is also no real discrepancy between the CPU performances of the "Oppo K9s (2021) 256GB" and "Oppo F19s (2021) 128GB". Because of this, both phones will feel practically identical in terms of smoothness when running apps and ease of game play. This is why it is better to compare them based on other aspects of performance and function.

ScoreCPU specs
Oppo K9s (2021) 256GB93/1002.4GHz+1.9GHz×8(8.0-cores)
Oppo F19s (2021) 128GB89/1002.0GHz+1.8GHz×8(8.0-cores)

How is "Oppo K9s (2021) 256GB" different from "Oppo F19s (2021) 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 "Oppo K9s (2021) 256GB" has 8.0GB of memory. The "Oppo F19s (2021) 128GB", on the other hand, has 6.0GB. Memory performance is roughly the same for both the "Oppo K9s (2021) 256GB" and "Oppo F19s (2021) 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
Oppo K9s (2021) 256GB93/1008.0GB
Oppo F19s (2021) 128GB90/1006.0GB

Which has a better storage capacity, "Oppo K9s (2021) 256GB" or "Oppo F19s (2021) 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 "Oppo K9s (2021) 256GB" has 256.0GB of storage, while the "Oppo F19s (2021) 128GB" has 128.0GB. There is no real difference between the "Oppo K9s (2021) 256GB"and "Oppo F19s (2021) 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
Oppo K9s (2021) 256GB91/100256.0GB
Oppo F19s (2021) 128GB90/100128.0GB

Compare the rear cameras of "Oppo K9s (2021) 256GB" and "Oppo F19s (2021) 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 "Oppo K9s (2021) 256GB" has 64.0MP. The "Oppo F19s (2021) 128GB" has 48.0MP. The rear facing cameras of the "Oppo K9s (2021) 256GB" and "Oppo F19s (2021) 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
Oppo K9s (2021) 256GB100/10064.0MP
Oppo F19s (2021) 128GB97/10048.0MP

Which has a front camera with better picture quality, "Oppo K9s (2021) 256GB" or "Oppo F19s (2021) 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 "Oppo K9s (2021) 256GB" has a resolution of 16.0MP. The "Oppo F19s (2021) 128GB"'s has 16.0MP. There is little difference between the camera capabilities and the pixel density of the "Oppo K9s (2021) 256GB" and "Oppo F19s (2021) 128GB"'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 K9s (2021) 256GB75/10016.0MP
Oppo F19s (2021) 128GB75/10016.0MP

Compare Performance Specs

Oppo K9s (2021) 256GBOppo F19s (2021) 128GB
ImageOppo K9s (2021) 256GBOppo F19s (2021) 128GB
MakerOppoOppo
Release date2021-11-012021-09-27
ColorBlack/Silver/AuroraGlowing Black/Glowing Gold
OSAndroidAndroid
Dimensions (width x height x thickness)75.9mm x 164.4mm x 8.5mm73.8mm x 160.3mm x 8.0mm
Weight199.0g175.0g
Display size6.59inch6.43inch
Display typeIPS LCDAMOLED
Screen resolution (width x height)1080 x 24121080 x 2400
Pixel density401ppi409ppi
ChipsetQualcomm SM7325 Snapdragon 778G 5GQualcomm SM6115 Snapdragon 662
CPU specs2.4GHz+1.9GHz×8(8.0-cores)2.0GHz+1.8GHz×8(8.0-cores)
RAM size8.0GB6.0GB
Storage size256.0GB128.0GB
Rear-camera resolution64.0MP48.0MP
Front-camera resolution16.0MP16.0MP

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