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.

Vivo S7 (2020) 256GB vs vivo X21i (2018) 128GB

Created date: 2020-08-02 15:57:01, Updated date: 2021-10-20 16:27:15

vivo S7 (2020) 256GBvivo X21i (2018) 128GB
vivo S7 (2020) 256GBvivo X21i (2018) 128GB

How are the "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB" different? We have tested and evaluated their differences. We also explain which one may be best for you.

vivo S7 (2020) 256GBvivo X21i (2018) 128GB
vivo S7 (2020) 256GB

vivo X21i (2018) 128GB

General rating:
Griprating-image2.9
74.2mm x 158.8mm x 7.4mm
rating-image3.0
75.0mm x 154.4mm x 7.0mm
Screen qualityrating-image4.1
AMOLED, 6.44inch, 1080 x 2400
rating-image4.0
Super AMOLED, 6.28inch, 1080 x 2280
Performancerating-image4.9
Qualcomm SM7250 Snapdragon 765G 5G, 2.4GHz+2.2GHz+1.8GHz×8(8.0-cores), 8.0GB
rating-image4.8
Mediatek MT6771 Helio P60, 2.0GHz+2.0GHz×8(8.0-cores), 6.0GB
Storage sizerating-image4.5
256.0GB
rating-image4.5
128.0GB
Batteryrating-image5.0
4000.0mAh
rating-image4.7
3425.0mAh
Rear-camera resolutionrating-image5.0
64.0MP
rating-image3.5
12.0MP
Front-camera resolutionrating-image5.0
44.0MP
rating-image5.0
24.0MP

What is the difference between the "vivo S7 (2020) 256GB" and the "vivo X21i (2018) 128GB"? See a detailed comparison of ease of use and performance

Comparison of weight and size of the "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB"

The design of vivo S7 (2020) 256GB

The "vivo S7 (2020) 256GB" is 158.8mm long, 74.2mm wide, and 7.4mm thick. It weighs 170.0g.

The design of vivo X21i (2018) 128GB

The "vivo X21i (2018) 128GB" is 154.4mm long, 75.0mm wide, and 7.0mm thick. It weighs 159.0g.

Which is the better design to use?

In comparison, the size difference is 4.4mm in length, 0.7mm in width, and 0.4mm in thickness. Both the "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB" are equally easy to use with one hand. Hiragana flick input is basically just as easy to use with "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB". Both the "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB" are basically equally portable and easy to handle.

The difference in weight is 11g. "vivo X21i (2018) 128GB" weighs less than "vivo S7 (2020) 256GB" and is easier to handle.

vivo S7 (2020) 256GB

vivo X21i (2018) 128GB

Ease of holding it in one hand67/10066/100
How much it does not feel heavy to hold in one hand39/10046/100
Ease of carrying around61/10061/100

Compare the display of the "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB"

Display of the vivo S7 (2020) 256GB

The "vivo S7 (2020) 256GB" uses a AMOLED liquid crystal. The resolution is 1080 x 2400, and the pixel density is 408ppi. The "vivo S7 (2020) 256GB" has a 6.44inch screen size.

Display of the vivo X21i (2018) 128GB

The "vivo X21i (2018) 128GB" uses a Super AMOLED liquid crystal. The resolution is 1080 x 2280, and the pixel density is 401ppi. The "vivo X21i (2018) 128GB" has a 6.28inch screen size.

Which has a better screen?

This makes a 0.16inch 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 "vivo S7 (2020) 256GB" and the "vivo X21i (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 "vivo S7 (2020) 256GB" and the "vivo X21i (2018) 128GB" can be easily used for this kind of purpose.

There is very little difference in the clarity of the displays of "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB" 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.

vivo S7 (2020) 256GB

vivo X21i (2018) 128GB

How suited is the screen for usual usage?79/10078/100
How suited is the screen to play games on?83/10082/100

Compare the camera performances of the "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB"

Camera performance of vivo S7 (2020) 256GB

The main camera of the "vivo S7 (2020) 256GB" has 64.0MP. The front camera has 44.0MP.

Camera performance of vivo X21i (2018) 128GB

The main camera of the "vivo X21i (2018) 128GB" has 12.0MP. The front camera has 24.0MP.

Which camera performance is better?

The back cameras thus have a 52MP difference in comparison. The "vivo S7 (2020) 256GB" also functions better for long-shot photos for the perfect group photo or a picturesque shot of a beautiful location. The "vivo S7 (2020) 256GB"'s rear camera triumphs as well, boasting a better megapixel count for close-up Instagram-worthy pictures of meals and desserts. Both the "vivo S7 (2020) 256GB" and the "vivo X21i (2018) 128GB" can be easily used for this kind of purpose.

There is a 20MP difference in front camera pixel number. When shooting objects or people with the front phone camera from a short distance, such as taking a selfie with a selfie-stick, there is very little difference between the pixel counts of the two phones, even when it comes to the scenery in the background of such photographs. Both the "vivo S7 (2020) 256GB" and the "vivo X21i (2018) 128GB" can be easily used for this kind of purpose. There is not much difference between the pixel counts of "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB" when it comes to taking close-up photographs such as selfies or profile pics with the front phone camera.

vivo S7 (2020) 256GB

vivo X21i (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?100/100100/100

Comparison of the processing capabilities of the "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB"

The processing capability of the vivo S7 (2020) 256GB

Performance is defined by the chipset, and the "vivo S7 (2020) 256GB" uses the Qualcomm SM7250 Snapdragon 765G 5G SoC. The CPU performance is 2.4GHz+2.2GHz+1.8GHz×8(8.0-cores). The memory capacity is 8.0GB.

The processing capability of the vivo X21i (2018) 128GB

Performance is defined by the chipset, and the "vivo X21i (2018) 128GB" uses the Mediatek MT6771 Helio P60 SoC. The CPU performance is 2.0GHz+2.0GHz×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 "vivo S7 (2020) 256GB" is slightly larger, so "vivo S7 (2020) 256GB" is recommended over "vivo X21i (2018) 128GB" for multitasking.

For phone calls, emails, messaging, using SNS or most fundamental features, the differences between the "vivo S7 (2020) 256GB" and the "vivo X21i (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 "vivo S7 (2020) 256GB" and the "vivo X21i (2018) 128GB" equally. Both the "vivo S7 (2020) 256GB" and the "vivo X21i (2018) 128GB" can be easily used for this kind of purpose.

There is basically no difference between "vivo S7 (2020) 256GB" and "vivo X21i (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 "vivo S7 (2020) 256GB" and the "vivo X21i (2018) 128GB" can be easily used for this kind of purpose.

vivo S7 (2020) 256GB

vivo X21i (2018) 128GB

Review on the CPU capbility and memory capacity when using Social Networks or the Internet100/10097/100
Review on the CPU speed and the memory capacity while playing 3D games97/10094/100

Comparison of the battery life of the "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB"

Battery performance of vivo S7 (2020) 256GB

The "vivo S7 (2020) 256GB" has a battery capacity of 4000.0mAh.

Battery performance of vivo X21i (2018) 128GB

The "vivo X21i (2018) 128GB" has a battery capacity of 3425.0mAh.

Which battery perfomances is better?

This makes a difference in battery capacity of 575mAh, 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.

If you use the phone infrequently for just making calls or checking the time, I think the "vivo S7 (2020) 256GB" is a bit better. For average daily use, for example looking things up online, SNS, gaming or occasionally checking your screen I can recommend the "vivo S7 (2020) 256GB" slightly more. Both the "vivo S7 (2020) 256GB" and the "vivo X21i (2018) 128GB" can be easily used for this kind of purpose.

The battery life of the "vivo S7 (2020) 256GB" is well equipped to handle long hours of gaming, video playback, and other kinds of frequent daily use. Both the "vivo S7 (2020) 256GB" and the "vivo X21i (2018) 128GB" can be easily used for this kind of purpose.

vivo S7 (2020) 256GB

vivo X21i (2018) 128GB

Review on the battery life of a phone mainly using Social Networks and the Internet100/10094/100
Review on the battery life of a phone mainly using mainly games and videos100/10085/100

Compare the storage capacity of the "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB"

The storage capacity of the vivo S7 (2020) 256GB

The "vivo S7 (2020) 256GB" has 256.0GB of internal memory.

The storage capacity of the vivo X21i (2018) 128GB

The "vivo X21i (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?

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 "vivo S7 (2020) 256GB" or "vivo X21i (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 "vivo S7 (2020) 256GB" and the "vivo X21i (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.

vivo S7 (2020) 256GB

vivo X21i (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 "vivo S7 (2020) 256GB" or "vivo X21i (2018) 128GB"

At the end of the day which is better, the "vivo S7 (2020) 256GB" or "vivo X21i (2018) 128GB"?

When it comes to being easy to handle and carry around, there is hardly any difference between "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB". If choosing based on screen size, there is hardly any difference between "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB". There isn't much difference between "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB" 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.

vivo S7 (2020) 256GB

vivo X21i (2018) 128GB

Handling57/10059/100
Display81/10079/100
CPU specs98/10095/100
General rating86/10083/100

Is it recommended to buy the vivo S7 (2020) 256GB, compared with other smartphones?

Compared to other smartphones, the "vivo S7 (2020) 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 S7 (2020) 256GB" is a high-end smart phone.

Is it recommended to buy the vivo X21i (2018) 128GB, compared with other smartphones?

Compared to other smartphones, the "vivo X21i (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 X21i (2018) 128GB" is a high-end smart phone.

What are the spec differences between the "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB" ?

A summary of the technical specifications of the "vivo S7 (2020) 256GB" and "vivo X21i (2018) 128GB". Functions and performance variations on the same model will be highlighted in red.

vivo S7 (2020) 256GBvivo X21i (2018) 128GB
vivo S7 (2020) 256GBvivo X21i (2018) 128GB
ColorBlack/White/Gradient BlueBlack/Aurora White/Ruby Red/Night Purple
OSAndroidAndroid
Dimensions (width x height x thickness)74.2mm x 158.8mm x 7.4mm75.0mm x 154.4mm x 7.0mm
Weight170.0g159.0g
Display size6.44inch6.28inch
Display typeAMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 24001080 x 2280
Pixel density408ppi401ppi
Battery capacity4000.0mAh3425.0mAh
ChipsetQualcomm SM7250 Snapdragon 765G 5GMediatek MT6771 Helio P60
CPU specs2.4GHz+2.2GHz+1.8GHz×8(8.0-cores)2.0GHz+2.0GHz×8(8.0-cores)
RAM size8.0GB6.0GB
Storage size256.0GB128.0GB
Rear-camera resolution64.0MP12.0MP
Front-camera resolution44.0MP24.0MP

Look at a smartphone

Compare smartphones

Look at a smartphone

Compare smartphones

Check price

New articles