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Should you buy Xiaomi Redmi Note 9S 128GB or Xiaomi Redmi Note 8 Pro 256GB? Compare the differences in functions and specifications/performances thoroughly

Created date: 2020-03-22 16:13:18, Updated date: 2020-04-16 21:46:58

Xiaomi Redmi Note 9S 128GBXiaomi Redmi Note 8 Pro 256GB
Xiaomi Redmi Note 9S 128GBXiaomi Redmi Note 8 Pro 256GB

Here's our thorough comparison of the difference in performance and function between the "Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB". Which one should you buy? We'll compare and explain what differs between the "Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB" in a way that even people who aren't used to choosing between two similar products can understand.

Xiaomi Redmi Note 9S 128GBXiaomi Redmi Note 8 Pro 256GB
Xiaomi Redmi Note 9S 128GB

Xiaomi Redmi Note 8 Pro 256GB

General rating:
Holding comfortrating-image2.9
58/100
rating-image2.9
58/100
Weightrating-image2.4
48/100
rating-image2.5
50/100
Screen sizerating-image4.6
91/100
rating-image4.5
90/100
Display qualityrating-image4.2
83/100
rating-image4.2
83/100
Battery liferating-image4.2
83/100
rating-image4.1
81/100
Processing powerrating-image4.5
90/100
rating-image4.6
92/100
Memory capacityrating-image4.5
90/100
rating-image4.7
93/100
Storage capacityrating-image4.5
90/100
rating-image4.6
91/100
Rear camera performancerating-image4.9
97/100
rating-image5.0
100/100
Front camera performancerating-image3.8
75/100
rating-image4.1
81/100

"Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB", performance comparison

"Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB" 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 "Xiaomi Redmi Note 9S 128GB" has a width of 76.7mm, a length of 165.8mm, and a thickness of 8.8mm. Also, the "Xiaomi Redmi Note 8 Pro 256GB" has a width of 76.4mm, a length of 161.4mm, and a thickness of 8.8mm.

Comparing the width and thickness of the body, there isn't much difference between the "Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB" 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 "Xiaomi Redmi Note 9S 128GB" and the "Xiaomi Redmi Note 8 Pro 256GB". 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 "Xiaomi Redmi Note 9S 128GB" and the "Xiaomi Redmi Note 8 Pro 256GB". 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)
Xiaomi Redmi Note 9S 128GB58/10076.7mm x 165.8mm x 8.8mm
Xiaomi Redmi Note 8 Pro 256GB58/10076.4mm x 161.4mm x 8.8mm

"Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB", 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 "Xiaomi Redmi Note 9S 128GB" is about 209.0g, and the weight of the "Xiaomi Redmi Note 8 Pro 256GB" is about 200.0g. Comparing the weight of the two devices, there isn't much difference in weight between the "Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB". 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
Xiaomi Redmi Note 9S 128GB48/100209.0g
Xiaomi Redmi Note 8 Pro 256GB50/100200.0g

"Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB", 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 "Xiaomi Redmi Note 9S 128GB" has a 6.67inch display. Also, the "Xiaomi Redmi Note 8 Pro 256GB" has a 6.53inch display. Comparing the screen size, there is a negligible difference in screen size between the "Xiaomi Redmi Note 9S 128GB" and the "Xiaomi Redmi Note 8 Pro 256GB". 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
Xiaomi Redmi Note 9S 128GB91/1006.67inch
Xiaomi Redmi Note 8 Pro 256GB90/1006.53inch

"Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB", 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 "Xiaomi Redmi Note 9S 128GB" is 1080 x 2400, and pixel density is 394ppi. Also, the resolution on the "Xiaomi Redmi Note 8 Pro 256GB" is 1080 x 2340, and pixel density is 394ppi. Comparing the pixel count, the difference in pixel density between the "Xiaomi Redmi Note 9S 128GB" and the "Xiaomi Redmi Note 8 Pro 256GB" 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
Xiaomi Redmi Note 9S 128GB83/100394ppi
Xiaomi Redmi Note 8 Pro 256GB83/100394ppi

"Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB", 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 "Xiaomi Redmi Note 9S 128GB" is 5020.0mAh, and the "Xiaomi Redmi Note 8 Pro 256GB" is 4500.0mAh. Regarding battery capacity, there is a negligible difference in battery capacity between the "Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB". Since both have roughly equal battery life, you are better off comparing them based on other aspects of performance and functionality.

ScoreBattery capacity
Xiaomi Redmi Note 9S 128GB83/1005020.0mAh
Xiaomi Redmi Note 8 Pro 256GB81/1004500.0mAh

"Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB", 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 "Xiaomi Redmi Note 9S 128GB"'s CPU is a Qualcomm SM7125 Snapdragon 720G, with performance measured at 2.3GHz+1.8GHz×8(8.0-cores). Also, the "Xiaomi Redmi Note 8 Pro 256GB"'s CPU is a Mediatek Helio G90T, with performance measured at 2.05GHz+2.0GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "Xiaomi Redmi Note 9S 128GB" and the "Xiaomi Redmi Note 8 Pro 256GB". For that reason the level of smoothness felt when using apps and comfortable handling of games is about the same. For that reason it is better to compare them in terms of other aspects of performance and functionality.

ScoreCPU specs
Xiaomi Redmi Note 9S 128GB90/1002.3GHz+1.8GHz×8(8.0-cores)
Xiaomi Redmi Note 8 Pro 256GB92/1002.05GHz+2.0GHz×8(8.0-cores)

"Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB", 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 "Xiaomi Redmi Note 9S 128GB" is 6.0GB and the weight of the "Xiaomi Redmi Note 8 Pro 256GB" is 8.0GB. Comparing the devices in terms of RAM, there is almost no difference in the amount of RAM of the "Xiaomi Redmi Note 9S 128GB" and the "Xiaomi Redmi Note 8 Pro 256GB". For that reason they have about the same level of multitasking performance and 3D game and VR smoothness. That's why it is better to make a comparison in terms of other aspects of performance and functionality.

ScoreRAM size
Xiaomi Redmi Note 9S 128GB90/1006.0GB
Xiaomi Redmi Note 8 Pro 256GB93/1008.0GB

"Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB", 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 "Xiaomi Redmi Note 9S 128GB" is 128.0GB. Also the "Xiaomi Redmi Note 8 Pro 256GB" is 256.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB". 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
Xiaomi Redmi Note 9S 128GB90/100128.0GB
Xiaomi Redmi Note 8 Pro 256GB91/100256.0GB

"Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB" 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.

"Xiaomi Redmi Note 9S 128GB" has a 48.0MP main camera. Also, "Xiaomi Redmi Note 8 Pro 256GB" has a 64.0MP main camera. Comparing rear camera performance, the "Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB" 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.

ScoreRear-camera resolution
Xiaomi Redmi Note 9S 128GB97/10048.0MP
Xiaomi Redmi Note 8 Pro 256GB100/10064.0MP

"Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB", 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.

"Xiaomi Redmi Note 9S 128GB" has an 16.0MP front camera and "Xiaomi Redmi Note 8 Pro 256GB" has an 20.0MP front camera. Comparing rear camera performance, the front camera of the "Xiaomi Redmi Note 8 Pro 256GB" has a higher pixel count than the "Xiaomi Redmi Note 9S 128GB", with a roughly 4MP difference. As a result, the "Xiaomi Redmi Note 8 Pro 256GB" is better able to take high quality selfies than the "Xiaomi Redmi Note 9S 128GB", and the pictures will look cleaner when printed. Therefore, we recommend the "Xiaomi Redmi Note 8 Pro 256GB".

ScoreFront-camera resolution
Xiaomi Redmi Note 9S 128GB75/10016.0MP
Xiaomi Redmi Note 8 Pro 256GB81/10020.0MP

"Xiaomi Redmi Note 9S 128GB" and "Xiaomi Redmi Note 8 Pro 256GB", performance comparison by specification sheet

Xiaomi Redmi Note 9S 128GBXiaomi Redmi Note 8 Pro 256GB
ImageXiaomi Redmi Note 9S 128GBXiaomi Redmi Note 8 Pro 256GB
MakerXiaomiXiaomi
Release date2020-04-072019-09
ColorAurora Blue/Glacier White/Interstellar GrayBlack/Red/Blue/White/Deep Sea Blue/Midnight Blue/Electric Blue/Twilight Orange
OSAndroidAndroid
Dimensions (width x height x thickness)76.7mm x 165.8mm x 8.8mm76.4mm x 161.4mm x 8.8mm
Weight209.0g200.0g
Display size6.67inch6.53inch
Display typeIPS LCDIPS LCD
Screen resolution (width x height)1080 x 24001080 x 2340
Pixel density394ppi394ppi
Battery capacity5020.0mAh4500.0mAh
ChipsetQualcomm SM7125 Snapdragon 720GMediatek Helio G90T
CPU specs2.3GHz+1.8GHz×8(8.0-cores)2.05GHz+2.0GHz×8(8.0-cores)
RAM size6.0GB8.0GB
Storage size128.0GB256.0GB
Rear-camera resolution48.0MP64.0MP
Front-camera resolution16.0MP20.0MP

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