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Samsung Galaxy A40 64GB vs Xiaomi Mi 9 SE 128GB: Specs & Scores

Created date: 2019-03-20 04:43:59, Updated date: 2021-10-20 19:37:28

Samsung Galaxy A40 64GBXiaomi Mi 9 SE 128GB
Samsung Galaxy A40 64GBXiaomi Mi 9 SE 128GB

Are you having trouble comparing the differences in features and performance of the "Samsung Galaxy A40 64GB" and "Xiaomi Mi 9 SE 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 64GBXiaomi Mi 9 SE 128GB
Samsung Galaxy A40 64GB

Xiaomi Mi 9 SE 128GB

General rating:
Portabilityrating-image3.7
69.2mm x 144.4mm x 7.9mm
rating-image3.6
70.5mm x 147.5mm x 7.5mm
Weightrating-image3.7
140.0g
rating-image3.4
155.0g
Size of screenrating-image4.4
5.9inch
rating-image4.5
5.97inch
Screen clarityrating-image4.3
436ppi
rating-image4.3
431ppi
Battery durationrating-image3.3
3100.0mAh
rating-image3.3
3070.0mAh
Processing capabilityrating-image3.9
1.77GHz+1.59GHz×8(8.0-cores)
rating-image4.5
2.3GHz+1.7GHz×8(8.0-cores)
Memory capacityrating-image3.5
4.0GB
rating-image4.5
6.0GB
Storage capacityrating-image3.4
64.0GB
rating-image4.5
128.0GB
Rear camera functionrating-image3.4
16.0MP
rating-image4.9
48.0MP
Front camera functionrating-image4.4
25.0MP
rating-image4.1
20.0MP

Compare Performance and Usability

Size comparison of "Samsung Galaxy A40 64GB" and "Xiaomi Mi 9 SE 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 "Xiaomi Mi 9 SE 128GB" is 70.5mm tall, 147.5mm wide, and 7.5mm thick.

There is no real difference between the "Samsung Galaxy A40 64GB" and "Xiaomi Mi 9 SE 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 "Samsung Galaxy A40 64GB" and "Xiaomi Mi 9 SE 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 "Samsung Galaxy A40 64GB"and "Xiaomi Mi 9 SE 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)
Samsung Galaxy A40 64GB73/10069.2mm x 144.4mm x 7.9mm
Xiaomi Mi 9 SE 128GB71/10070.5mm x 147.5mm x 7.5mm

Which one is easier to hold, "Samsung Galaxy A40 64GB" or "Xiaomi Mi 9 SE 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 "Xiaomi Mi 9 SE 128GB" clocks in at 155.0g. Comparing the weight of the main unit, the "Samsung Galaxy A40 64GB" is a lighter phone than the "Xiaomi Mi 9 SE 128GB", with a difference of approximately 15g. 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 "Xiaomi Mi 9 SE 128GB". For this reason, the "Samsung Galaxy A40 64GB" is recommended.

ScoreWeight
Samsung Galaxy A40 64GB74/100140.0g
Xiaomi Mi 9 SE 128GB68/100155.0g

Which is better in terms of display, "Samsung Galaxy A40 64GB" or "Xiaomi Mi 9 SE 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 5.97inch on the "Xiaomi Mi 9 SE 128GB". The screens of the "Samsung Galaxy A40 64GB" and "Xiaomi Mi 9 SE 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
Xiaomi Mi 9 SE 128GB89/1005.97inch

Which one has a better display, "Samsung Galaxy A40 64GB" or "Xiaomi Mi 9 SE 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 "Xiaomi Mi 9 SE 128GB", on the other hand, has a screen resolution of 1080 x 2340 and a pixel density of 431ppi. There is not much of a difference in the pixel resolutions of the "Samsung Galaxy A40 64GB" and "Xiaomi Mi 9 SE 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
Xiaomi Mi 9 SE 128GB85/100431ppi

How is the battery duration of "Samsung Galaxy A40 64GB" different from that of "Xiaomi Mi 9 SE 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 "Xiaomi Mi 9 SE 128GB" has a 3070.0mAh battery. The batteries of both the "Samsung Galaxy A40 64GB" and "Xiaomi Mi 9 SE 128GB" perform to the same extent. There is also no difference in the battery capacities of the "Samsung Galaxy A40 64GB" and the "Xiaomi Mi 9 SE 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
Xiaomi Mi 9 SE 128GB66/1003070.0mAh

Which is better in terms of CPU function, "Samsung Galaxy A40 64GB" or "Xiaomi Mi 9 SE 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 "Xiaomi Mi 9 SE 128GB" uses an Qualcomm SDM712 Snapdragon 712 CPU that performs at a speed of 2.3GHz+1.7GHz×8(8.0-cores). Comparing CPU performance, the "Xiaomi Mi 9 SE 128GB" has significantly higher specs than the "Samsung Galaxy A40 64GB". The "Xiaomi Mi 9 SE 128GB" proves to be more advanced than the "Samsung Galaxy A40 64GB" in the way that apps run quickly and games play smoothly. If you're looking for a high-spec smartphone that runs quickly and plays games smoothly, we recommend that you buy the "Xiaomi Mi 9 SE 128GB" rather than the "Samsung Galaxy A40 64GB".

ScoreCPU specs
Samsung Galaxy A40 64GB77/1001.77GHz+1.59GHz×8(8.0-cores)
Xiaomi Mi 9 SE 128GB90/1002.3GHz+1.7GHz×8(8.0-cores)

How is "Samsung Galaxy A40 64GB" different from "Xiaomi Mi 9 SE 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 "Xiaomi Mi 9 SE 128GB", on the other hand, has 6.0GB. As for memory performance, the "Xiaomi Mi 9 SE 128GB" has a larger memory capacity than the "Samsung Galaxy A40 64GB", with a difference of about 2GB. The "Xiaomi Mi 9 SE 128GB" has better multitasking, less crashing, and runs 3D games and VR video better than the "Samsung Galaxy A40 64GB". If you're looking for a smartphone that will remain stable even when you are using multiple apps at the same time, and which will allow you to play 3D games and VR video comfortably, we recommend that you buy the "Xiaomi Mi 9 SE 128GB" rather than the "Samsung Galaxy A40 64GB".

ScoreRAM size
Samsung Galaxy A40 64GB70/1004.0GB
Xiaomi Mi 9 SE 128GB90/1006.0GB

Which has a better storage capacity, "Samsung Galaxy A40 64GB" or "Xiaomi Mi 9 SE 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 "Xiaomi Mi 9 SE 128GB" has 128.0GB. In terms of ROM and data storage, the "Xiaomi Mi 9 SE 128GB" has a much larger capacity than the "Samsung Galaxy A40 64GB", with a difference of about 64GB. The "Xiaomi Mi 9 SE 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 "Xiaomi Mi 9 SE 128GB" rather than the "Samsung Galaxy A40 64GB".

ScoreStorage size
Samsung Galaxy A40 64GB67/10064.0GB
Xiaomi Mi 9 SE 128GB90/100128.0GB

Compare the rear cameras of "Samsung Galaxy A40 64GB" and "Xiaomi Mi 9 SE 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 "Xiaomi Mi 9 SE 128GB" has 48.0MP. The rear-facing camera of the "Xiaomi Mi 9 SE 128GB" also has a higher pixel count than the "Samsung Galaxy A40 64GB", with a difference of about 32MP. The "Xiaomi Mi 9 SE 128GB" is more capable than the "Samsung Galaxy A40 64GB" 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 "Xiaomi Mi 9 SE 128GB" rather than the "Samsung Galaxy A40 64GB".

ScoreRear-camera resolution
Samsung Galaxy A40 64GB68/10016.0MP
Xiaomi Mi 9 SE 128GB97/10048.0MP

Which has a front camera with better picture quality, "Samsung Galaxy A40 64GB" or "Xiaomi Mi 9 SE 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 "Xiaomi Mi 9 SE 128GB"'s has 20.0MP. Comparing the front-facing camera performance, the number of pixels of the front-facing camera on the "Samsung Galaxy A40 64GB" is higher than the "Xiaomi Mi 9 SE 128GB", with a difference of approximately 5MP. For this reason, it is possible to take higher quality selfies and make clear prints with the "Samsung Galaxy A40 64GB" than the "Xiaomi Mi 9 SE 128GB". Therefore, the "Samsung Galaxy A40 64GB" is recommended.

ScoreFront-camera resolution
Samsung Galaxy A40 64GB88/10025.0MP
Xiaomi Mi 9 SE 128GB81/10020.0MP

Compare Performance Specs

Samsung Galaxy A40 64GBXiaomi Mi 9 SE 128GB
ImageSamsung Galaxy A40 64GBXiaomi Mi 9 SE 128GB
MakerSamsungXiaomi
Release date2019-04-192019-03
ColorBlack/White/Blue/CoralViolet/Blue/Gray
OSAndroidAndroid
Dimensions (width x height x thickness)69.2mm x 144.4mm x 7.9mm70.5mm x 147.5mm x 7.5mm
Weight140.0g155.0g
Display size5.9inch5.97inch
Display typeSuper AMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 23401080 x 2340
Pixel density436ppi431ppi
Battery capacity3100.0mAh3070.0mAh
ChipsetExynos 7904Qualcomm SDM712 Snapdragon 712
CPU specs1.77GHz+1.59GHz×8(8.0-cores)2.3GHz+1.7GHz×8(8.0-cores)
RAM size4.0GB6.0GB
Storage size64.0GB128.0GB
Rear-camera resolution16.0MP48.0MP
Front-camera resolution25.0MP20.0MP

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