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Samsung Galaxy M31 128GB vs vivo iQOO (2019) 256GB: Full Comparison!

Created date: 2020-02-26 14:49:18, Updated date: 2021-10-20 17:37:43

Samsung Galaxy M31 128GBvivo iQOO (2019) 256GB
Samsung Galaxy M31 128GBvivo iQOO (2019) 256GB

Which do we recommend after comparing the "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB"? We evaluated the differences between the two models. This article is recommended for those who are trying to choose between the "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB".

Samsung Galaxy M31 128GBvivo iQOO (2019) 256GB
Samsung Galaxy M31 128GB

vivo iQOO (2019) 256GB

General rating:
Griprating-image2.6
51/100
rating-image2.6
51/100
Screen qualityrating-image4.0
80/100
rating-image4.0
80/100
Performancerating-image4.8
96/100
rating-image5.0
99/100
Storage sizerating-image4.5
90/100
rating-image4.5
90/100
Batteryrating-image5.0
100/100
rating-image5.0
100/100
Rear-camera resolutionrating-image5.0
100/100
rating-image3.6
72/100
Front-camera resolutionrating-image5.0
100/100
rating-image5.0
100/100

What is the difference between the "Samsung Galaxy M31 128GB" and the "vivo iQOO (2019) 256GB"? See a detailed comparison of ease of use and performance

Comparison of weight and size of the "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB"

The design of Samsung Galaxy M31 128GB

The "Samsung Galaxy M31 128GB" is 159.2mm long, 75.1mm wide, and 8.9mm thick. It weighs 191.0g.

The design of vivo iQOO (2019) 256GB

The "vivo iQOO (2019) 256GB" is 157.7mm long, 75.2mm wide, and 8.5mm thick. It weighs 196.0g.

Which is the better design to use?

In comparison, the size difference is 1.5mm in length, 0.1mm in width, and 0.4mm in thickness. Both the "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB" are equally easy to use with one hand. Hiragana flick input is basically just as easy to use with "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB". Both the "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB" are basically equally portable and easy to handle.

The difference in weight is 5g. There is very little difference in weight between the "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB", meaning that the burden on the hands even when used for a long time is pretty much the same.

Samsung Galaxy M31 128GB

vivo iQOO (2019) 256GB

Ease of holding it in one hand62/10063/100
How much it does not feel heavy to hold in one hand25/10022/100
Ease of carrying around59/10059/100

Compare the display of the "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB"

Display of the Samsung Galaxy M31 128GB

The "Samsung Galaxy M31 128GB" uses a Super AMOLED liquid crystal. The resolution is 1080 x 2340, and the pixel density is 402ppi. The "Samsung Galaxy M31 128GB" has a 6.4inch screen size.

Display of the vivo iQOO (2019) 256GB

The "vivo iQOO (2019) 256GB" uses a Super AMOLED liquid crystal. The resolution is 1080 x 2340, and the pixel density is 402ppi. The "vivo iQOO (2019) 256GB" has a 6.41inch screen size.

Which has a better screen?

When actually viewing the two phones' onscreen displays, it is obvious that they are roughly the same size. For doing internet research using systems such as SNS, there is not much difference between the two phones. Both the "Samsung Galaxy M31 128GB" and the "vivo iQOO (2019) 256GB" can be easily used for this kind of purpose. The gaming screens of these two phones are roughly the same size. Both the "Samsung Galaxy M31 128GB" and the "vivo iQOO (2019) 256GB" can be easily used for this kind of purpose.

There is very little difference in the clarity of the displays of "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB" when used for research, gaming, or other similar purposes. When using the smartphone as a VR, the screen is generally held much closer to the face than when using the smartphone for other purposes, and so the clarity of the screen becomes a rather important factor. When you compare how easy it is to see the VR on the two phones, it is pretty much the same.

Samsung Galaxy M31 128GB

vivo iQOO (2019) 256GB

How suited is the screen for usual usage?79/10079/100
How suited is the screen to play games on?83/10083/100

Compare the camera performances of the "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB"

Camera performance of Samsung Galaxy M31 128GB

The main camera of the "Samsung Galaxy M31 128GB" has 64.0MP. The front camera has 32.0MP.

Camera performance of vivo iQOO (2019) 256GB

The main camera of the "vivo iQOO (2019) 256GB" has 13.0MP. The front camera has 12.0MP.

Which camera performance is better?

The back cameras thus have a 51MP difference in comparison. The "Samsung Galaxy M31 128GB" also functions better for long-shot photos for the perfect group photo or a picturesque shot of a beautiful location. The "Samsung Galaxy M31 128GB"'s rear camera triumphs as well, boasting a better megapixel count for close-up Instagram-worthy pictures of meals and desserts. Both the "Samsung Galaxy M31 128GB" and the "vivo iQOO (2019) 256GB" can be easily used for this kind of purpose.

There is a 20MP difference in front camera pixel number. The "Samsung Galaxy M31 128GB"'s front camera also works terrifically well with selfie sticks and for capturing distant objects like the background scenery in your selfies. Both the "Samsung Galaxy M31 128GB" and the "vivo iQOO (2019) 256GB" can be easily used for this kind of purpose. There is not much difference between the pixel counts of "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB" when it comes to taking close-up photographs such as selfies or profile pics with the front phone camera.

Samsung Galaxy M31 128GB

vivo iQOO (2019) 256GB

Is is suited to taking far away objects with the rear camera?100/10072/100
Is it suited for taking close objects with the built-in camera?100/100100/100

Comparison of the processing capabilities of the "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB"

The processing capability of the Samsung Galaxy M31 128GB

Performance is defined by the chipset, and the "Samsung Galaxy M31 128GB" uses the Exynos 9611 SoC. The CPU performance is 2.3GHz+1.7GHz×8(8.0-cores). The memory capacity is 6.0GB.

The processing capability of the vivo iQOO (2019) 256GB

Performance is defined by the chipset, and the "vivo iQOO (2019) 256GB" uses the Qualcomm SM8150 Snapdragon 855 SoC. The CPU performance is 2.84GHz+2.42GHz+1.78GHz×8(8.0-cores). The memory capacity is 12.0GB.

Which has the better processing capability?

The CPU specs are the same for both phones. This is a 6GB difference in memory capacity. The "vivo iQOO (2019) 256GB" has more memory storage, making the "vivo iQOO (2019) 256GB" work better for multitasking or running 3D games.

For phone calls, emails, messaging, using SNS or most fundamental features, the differences between the "Samsung Galaxy M31 128GB" and the "vivo iQOO (2019) 256GB" are not large at all. For people who mainly use their phones to look things up online, watch videos and play games occasionally I can recommend the "Samsung Galaxy M31 128GB" and the "vivo iQOO (2019) 256GB" equally. Both the "Samsung Galaxy M31 128GB" and the "vivo iQOO (2019) 256GB" can be easily used for this kind of purpose.

There is basically no difference between "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB" when playing 2D games or basic 3D games. For playing more memory-intensive 3D games, it is better to go with "vivo iQOO (2019) 256GB" as it has better performance. Both the "Samsung Galaxy M31 128GB" and the "vivo iQOO (2019) 256GB" can be easily used for this kind of purpose.

Samsung Galaxy M31 128GB

vivo iQOO (2019) 256GB

Review on the CPU capbility and memory capacity when using Social Networks or the Internet99/100100/100
Review on the CPU speed and the memory capacity while playing 3D games94/10099/100

Comparison of the battery life of the "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB"

Battery performance of Samsung Galaxy M31 128GB

The "Samsung Galaxy M31 128GB" has a battery capacity of 6000.0mAh.

Battery performance of vivo iQOO (2019) 256GB

The "vivo iQOO (2019) 256GB" has a battery capacity of 4000.0mAh.

Which battery perfomances is better?

This makes a difference in battery capacity of 2000mAh, but it is not enough to only compare the capacity. With a high-performance CPU, the battery drains faster, and a larger screen also uses more battery.

The "Samsung Galaxy M31 128GB" is also a great choice for those who only use their phone for occasional phone calls or for checking the time. For looking things up online, checking SNS, playing games occasionally or for most frequent use, it doesn't feel like there is much difference between the "Samsung Galaxy M31 128GB" and the "vivo iQOO (2019) 256GB". Both the "Samsung Galaxy M31 128GB" and the "vivo iQOO (2019) 256GB" can be easily used for this kind of purpose.

If you're using it frequently, for example playing games for a long time or using it to watch movies, you may feel no difference between the two devices. Both the "Samsung Galaxy M31 128GB" and the "vivo iQOO (2019) 256GB" can be easily used for this kind of purpose.

Samsung Galaxy M31 128GB

vivo iQOO (2019) 256GB

Review on the battery life of a phone mainly using Social Networks and the Internet100/100100/100
Review on the battery life of a phone mainly using mainly games and videos100/100100/100

Compare the storage capacity of the "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB"

The storage capacity of the Samsung Galaxy M31 128GB

The "Samsung Galaxy M31 128GB" has 128.0GB of internal memory. It is also compatible with SD cards, so when there is insufficient storage space, then a SD card can be used to add more storage.

The storage capacity of the vivo iQOO (2019) 256GB

The "vivo iQOO (2019) 256GB" has 256.0GB of internal memory.

Which has the easier storage to use?

The difference in internal memory is about 128GB. If you are only downloading a few games and apps (such as SNS) to use on your phone, it really doesn't matter if you choose "Samsung Galaxy M31 128GB" or "vivo iQOO (2019) 256GB". If you are hoping to install many different games on their phone, the amount of storage is the same no matter which of these two devices you choose to buy. Both the "Samsung Galaxy M31 128GB" and the "vivo iQOO (2019) 256GB" can be easily used for this kind of purpose.

Because the speed of loading from or saving to the SD card is slow, it is suited for saving pictures or videos.

Samsung Galaxy M31 128GB

vivo iQOO (2019) 256GB

Review on the storage capacity when playing many games90/10090/100
Review on when you store many pictures and videos - -

Which to buy, the "Samsung Galaxy M31 128GB" or "vivo iQOO (2019) 256GB"

At the end of the day which is better, the "Samsung Galaxy M31 128GB" or "vivo iQOO (2019) 256GB"?

When it comes to being easy to handle and carry around, there is hardly any difference between "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB". If choosing based on screen size, there is hardly any difference between "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB". There isn't much difference between "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB" in terms of performance or specifications. Because both have advantages and disadvantages, I think that it is best to stick to the most important points that you want to emphasize.

Samsung Galaxy M31 128GB

vivo iQOO (2019) 256GB

Handling51/10051/100
Display80/10080/100
CPU specs96/10099/100
General rating85/10081/100

Is it recommended to buy the Samsung Galaxy M31 128GB, compared with other smartphones?

Compared to other smartphones, the "Samsung Galaxy M31 128GB" is averagely easy to hold. Although it can be a little difficult, it is the right size to be able to operate with one hand. The screen size is larger than that of standard smartphones. It is suited for typing long texts and so can be used to read or edit office texts. In addition, its processing capability is quite excellent compared to the average smart phone. It is suitable for almost all uses, including games and VR. It may be a bit extravagant for normal use. Looking at the overall specifications, the "Samsung Galaxy M31 128GB" is a high-end smart phone.

Is it recommended to buy the vivo iQOO (2019) 256GB, compared with other smartphones?

Compared to other smartphones, the "vivo iQOO (2019) 256GB" is averagely easy to hold. Although it can be a little difficult, it is the right size to be able to operate with one hand. The screen size is larger than that of standard smartphones. It is suited for typing long texts and so can be used to read or edit office texts. In addition, its processing capability is quite excellent compared to the average smart phone. It is suitable for almost all uses, including games and VR. It may be a bit extravagant for normal use. Looking at the overall specifications, the "vivo iQOO (2019) 256GB" is a high-end smart phone.

What are the spec differences between the "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB" ?

A summary of the technical specifications of the "Samsung Galaxy M31 128GB" and "vivo iQOO (2019) 256GB". Functions and performance variations on the same model will be highlighted in red.

Samsung Galaxy M31 128GBvivo iQOO (2019) 256GB
Samsung Galaxy M31 128GBvivo iQOO (2019) 256GB
ColorOcean Blue/Space BlackOptic Blue/Lava Orange/Samurai Black/Feather White
OSAndroidAndroid
Dimensions (width x height x thickness)75.1mm x 159.2mm x 8.9mm75.2mm x 157.7mm x 8.5mm
Weight191.0g196.0g
Display size6.4inch6.41inch
Display typeSuper AMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 23401080 x 2340
Pixel density402ppi402ppi
Battery capacity6000.0mAh4000.0mAh
ChipsetExynos 9611Qualcomm SM8150 Snapdragon 855
CPU specs2.3GHz+1.7GHz×8(8.0-cores)2.84GHz+2.42GHz+1.78GHz×8(8.0-cores)
RAM size6.0GB12.0GB
Storage size128.0GB256.0GB
Rear-camera resolution64.0MP13.0MP
Front-camera resolution32.0MP12.0MP

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