Browsing this site requires consent to the privacy policy. By continuing to browse, you agree to our privacy policy. If you do not agree, please stop browsing. Privacy policy

All our articles is independent of any advertiser or commercial initiative, and if you buy something through our posts, we may get a small share of the sale. Click here for more information.

Samsung Galaxy S20 128GB vs vivo X21 UD (2018) 128GB: Full Comparison!

Created date: 2020-02-10 18:51:47, Updated date: 2021-10-20 23:20:28

Samsung Galaxy S20 128GBvivo X21 UD (2018) 128GB
Samsung Galaxy S20 128GBvivo X21 UD (2018) 128GB

How are the "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB" different? We have tested and evaluated their differences. We also explain which one may be best for you.

Samsung Galaxy S20 128GBvivo X21 UD (2018) 128GB
Samsung Galaxy S20 128GB

vivo X21 UD (2018) 128GB

General rating:

79.7/100

(The 3035th of all smartphones)

71.1/100

(The 1038th of all smartphones)

Grip
63/100
59/100
Screen quality
90/100
79/100
Performance
98/100
96/100
Storage size
90/100
90/100
Battery
100/100
90/100
Rear-camera resolution
100/100
70/100
Front-camera resolution
90/100
100/100

What is the difference between the "Samsung Galaxy S20 128GB" and the "vivo X21 UD (2018) 128GB"? See a detailed comparison of ease of use and performance

Comparison of weight and size of the "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB"

The design of Samsung Galaxy S20 128GB

The "Samsung Galaxy S20 128GB" is 151.7mm long, 69.1mm wide, and 7.9mm thick. It weighs 163.0g.

The design of vivo X21 UD (2018) 128GB

The "vivo X21 UD (2018) 128GB" is 154.5mm long, 74.8mm wide, and 7.4mm thick. It weighs 156.2g.

Which is the better design to use?

In comparison, the size difference is 2.8mm in length, 5.7mm in width, and 0.5mm in thickness. "Samsung Galaxy S20 128GB" is easy to use with a single hand, and its size makes it easier to hold. "Samsung Galaxy S20 128GB" is bigger than "vivo X21 UD (2018) 128GB", which makes it easier to type on it via flick input. Both the "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB" are basically equally portable and easy to handle.

The difference in weight is 6.8g. There is very little difference in weight between the "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB", meaning that the burden on the hands even when used for a long time is pretty much the same.

Samsung Galaxy S20 128GB

vivo X21 UD (2018) 128GB

Ease of holding it in one hand72/10066/100
How much it does not feel heavy to hold in one hand44/10048/100
Ease of carrying around65/10061/100

Compare the display of the "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB"

Display of the Samsung Galaxy S20 128GB

The "Samsung Galaxy S20 128GB" uses a Dynamic AMOLED 2X liquid crystal. The resolution is 1440 x 3200, and the pixel density is 565ppi. The "Samsung Galaxy S20 128GB" has a 6.2inch screen size.

Display of the vivo X21 UD (2018) 128GB

The "vivo X21 UD (2018) 128GB" uses a Super AMOLED liquid crystal. The resolution is 1080 x 2280, and the pixel density is 401ppi. The "vivo X21 UD (2018) 128GB" has a 6.28inch screen size.

Which has a better screen?

This makes a 0.08inch difference in the display sizes. 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 S20 128GB" and the "vivo X21 UD (2018) 128GB" 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 S20 128GB" and the "vivo X21 UD (2018) 128GB" can be easily used for this kind of purpose.

In terms of display, the "Samsung Galaxy S20 128GB" is a better choice for those looking to use their phone for browsing the web or for gaming. 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. The "Samsung Galaxy S20 128GB" also offers a crisp, cleaner display when using a VR headset than the "vivo X21 UD (2018) 128GB". The "Samsung Galaxy S20 128GB" has the necessary specs for this kind of purpose.

Samsung Galaxy S20 128GB

vivo X21 UD (2018) 128GB

How suited is the screen for usual usage?77/10078/100
How suited is the screen to play games on?81/10082/100

Compare the camera performances of the "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB"

Camera performance of Samsung Galaxy S20 128GB

The main camera of the "Samsung Galaxy S20 128GB" has 64.0MP. The front camera has 10.0MP.

Camera performance of vivo X21 UD (2018) 128GB

The main camera of the "vivo X21 UD (2018) 128GB" has 12.0MP. The front camera has 12.0MP.

Which camera performance is better?

The back cameras thus have a 52MP difference in comparison. The "Samsung Galaxy S20 128GB" also functions better for long-shot photos for the perfect group photo or a picturesque shot of a beautiful location. The "Samsung Galaxy S20 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 S20 128GB" and the "vivo X21 UD (2018) 128GB" can be easily used for this kind of purpose.

There is a 2MP difference in front camera pixel number. When taking photos of distant objects, including photos taken using a selfie stick or photos that require clear backgrounds, the camera of "vivo X21 UD (2018) 128GB" has better performance. Both the "Samsung Galaxy S20 128GB" and the "vivo X21 UD (2018) 128GB" can be easily used for this kind of purpose. The "vivo X21 UD (2018) 128GB"'s front camera has a more suitable megapixel count for shooting objects up close for selfies and such.

Samsung Galaxy S20 128GB

vivo X21 UD (2018) 128GB

Is is suited to taking far away objects with the rear camera?100/10070/100
Is it suited for taking close objects with the built-in camera?90/100100/100

Comparison of the processing capabilities of the "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB"

The processing capability of the Samsung Galaxy S20 128GB

Performance is defined by the chipset, and the "Samsung Galaxy S20 128GB" uses the Exynos 990 SoC. The CPU performance is 2.73GHz+2.6GHz+2.0GHz×8(8.0-cores). The memory capacity is 8.0GB.

The processing capability of the vivo X21 UD (2018) 128GB

Performance is defined by the chipset, and the "vivo X21 UD (2018) 128GB" uses the Qualcomm SDM660 Snapdragon 660 SoC. The CPU performance is 2.2GHz+1.8GHz×8(8.0-cores). The memory capacity is 6.0GB.

Which has the better processing capability?

The CPU specs are the same for both phones. This is a 2GB difference in memory capacity. The memory of "Samsung Galaxy S20 128GB" is slightly larger, so "Samsung Galaxy S20 128GB" is recommended over "vivo X21 UD (2018) 128GB" for multitasking.

For phone calls, emails, messaging, using SNS or most fundamental features, the differences between the "Samsung Galaxy S20 128GB" and the "vivo X21 UD (2018) 128GB" 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 S20 128GB" and the "vivo X21 UD (2018) 128GB" equally. Both the "Samsung Galaxy S20 128GB" and the "vivo X21 UD (2018) 128GB" can be easily used for this kind of purpose.

There is basically no difference between "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB" when playing 2D games or basic 3D games. Functionality is about the same for full-scale 3D games, no matter which phone model is used. Both the "Samsung Galaxy S20 128GB" and the "vivo X21 UD (2018) 128GB" can be easily used for this kind of purpose.

Samsung Galaxy S20 128GB

vivo X21 UD (2018) 128GB

Review on the CPU capbility and memory capacity when using Social Networks or the Internet100/10098/100
Review on the CPU speed and the memory capacity while playing 3D games97/10094/100

Comparison of the battery life of the "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB"

Battery performance of Samsung Galaxy S20 128GB

The "Samsung Galaxy S20 128GB" has a battery capacity of 4000.0mAh.

Battery performance of vivo X21 UD (2018) 128GB

The "vivo X21 UD (2018) 128GB" has a battery capacity of 3200.0mAh.

Which battery perfomances is better?

This makes a difference in battery capacity of 800mAh, 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 S20 128GB" is also a great choice for those who only use their phone for occasional phone calls or for checking the time. For people who tend to use their phone for looking up things on the internet, checking up on social media, or playing the occasional game, I recommend the "Samsung Galaxy S20 128GB" over the "vivo X21 UD (2018) 128GB". Both the "Samsung Galaxy S20 128GB" and the "vivo X21 UD (2018) 128GB" can be easily used for this kind of purpose.

The battery life of the "Samsung Galaxy S20 128GB" is well equipped to handle long hours of gaming, video playback, and other kinds of frequent daily use. Both the "Samsung Galaxy S20 128GB" and the "vivo X21 UD (2018) 128GB" can be easily used for this kind of purpose.

Samsung Galaxy S20 128GB

vivo X21 UD (2018) 128GB

Review on the battery life of a phone mainly using Social Networks and the Internet100/10090/100
Review on the battery life of a phone mainly using mainly games and videos100/10078/100

Compare the storage capacity of the "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB"

The storage capacity of the Samsung Galaxy S20 128GB

The "Samsung Galaxy S20 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 X21 UD (2018) 128GB

The "vivo X21 UD (2018) 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. A SD with a maximum of 256.0GB can be used.

Which has the easier storage to use?

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 S20 128GB" or "vivo X21 UD (2018) 128GB". 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 S20 128GB" and the "vivo X21 UD (2018) 128GB" 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 S20 128GB

vivo X21 UD (2018) 128GB

Review on the storage capacity when playing many games90/10090/100
Review on when you store many pictures and videos - 92/100

Which to buy, the "Samsung Galaxy S20 128GB" or "vivo X21 UD (2018) 128GB"

At the end of the day which is better, the "Samsung Galaxy S20 128GB" or "vivo X21 UD (2018) 128GB"?

When it comes to being easy to handle and carry around, there is hardly any difference between "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB". Its perfect screen size of 6.2inch makes the "Samsung Galaxy S20 128GB" a lot easier to use. There isn't much difference between "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB" in terms of performance or specifications. When comparing "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB" overall, "Samsung Galaxy S20 128GB" is a more balanced model and is recommended.

Samsung Galaxy S20 128GB

vivo X21 UD (2018) 128GB

Handling63/10059/100
Display90/10079/100
CPU specs98/10096/100
General rating87/10081/100

Is it recommended to buy the Samsung Galaxy S20 128GB, compared with other smartphones?

Compared to other smart phones, the "Samsung Galaxy S20 128GB" has a size that is easy to hold, and looks compact. It can be easily operated 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 S20 128GB" is a high-end smart phone.

Is it recommended to buy the vivo X21 UD (2018) 128GB, compared with other smartphones?

Compared to other smartphones, the "vivo X21 UD (2018) 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 "vivo X21 UD (2018) 128GB" is a high-end smart phone.

What are the spec differences between the "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB" ?

A summary of the technical specifications of the "Samsung Galaxy S20 128GB" and "vivo X21 UD (2018) 128GB". Functions and performance variations on the same model will be highlighted in red.

Samsung Galaxy S20 128GBvivo X21 UD (2018) 128GB
Samsung Galaxy S20 128GBvivo X21 UD (2018) 128GB
ColorCosmic Grey/Cloud Blue/Cloud PinkBlack/Ruby Red
OSAndroidAndroid
Dimensions (width x height x thickness)69.1mm x 151.7mm x 7.9mm74.8mm x 154.5mm x 7.4mm
Weight163.0g156.2g
Display size6.2inch6.28inch
Display typeDynamic AMOLED 2XSuper AMOLED
Screen resolution (width x height)1440 x 32001080 x 2280
Pixel density565ppi401ppi
Battery capacity4000.0mAh3200.0mAh
ChipsetExynos 990Qualcomm SDM660 Snapdragon 660
CPU specs2.73GHz+2.6GHz+2.0GHz×8(8.0-cores)2.2GHz+1.8GHz×8(8.0-cores)
RAM size8.0GB6.0GB
Storage size128.0GB128.0GB
Rear-camera resolution64.0MP12.0MP
Front-camera resolution10.0MP12.0MP

Look at a smartphone

Compare smartphones

Look at a smartphone

Compare smartphones

Check price

New articles