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Compare vivo Z5i (2019) 128GB vs vivo X21i (2018) 128GB

Created date: 2019-11-25 14:32:32, Updated date: 2021-10-20 22:59:54

vivo Z5i (2019) 128GBvivo X21i (2018) 128GB
vivo Z5i (2019) 128GBvivo X21i (2018) 128GB

Which do we recommend after comparing the "vivo Z5i (2019) 128GB" and "vivo X21i (2018) 128GB"? We evaluated the differences between the two models. This article is recommended for those who are trying to choose between the "vivo Z5i (2019) 128GB" and "vivo X21i (2018) 128GB".

vivo Z5i (2019) 128GBvivo X21i (2018) 128GB
vivo Z5i (2019) 128GB

vivo X21i (2018) 128GB

General rating:

70.9/100

(The 3428th of all smartphones)

72.4/100

(The 3384th of all smartphones)

Grip
49/100
59/100
Screen quality
80/100
79/100
Performance
98/100
95/100
Storage size
90/100
90/100
Battery
100/100
94/100
Rear-camera resolution
80/100
70/100
Front-camera resolution
100/100
100/100

What is the difference between the "vivo Z5i (2019) 128GB" and the "vivo X21i (2018) 128GB"? See a detailed comparison of ease of use and performance

Comparison of weight and size of the "vivo Z5i (2019) 128GB" and "vivo X21i (2018) 128GB"

The design of vivo Z5i (2019) 128GB

The "vivo Z5i (2019) 128GB" is 162.2mm long, 76.5mm wide, and 8.9mm thick. It weighs 193.0g.

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 7.7mm in length, 1.5mm in width, and 1.9mm in thickness. "vivo X21i (2018) 128GB" is easy to use with a single hand, and its size makes it easier to hold. "vivo X21i (2018) 128GB" is bigger than "vivo Z5i (2019) 128GB", which makes it easier to type on it via flick input. Both the "vivo Z5i (2019) 128GB" and "vivo X21i (2018) 128GB" are basically equally portable and easy to handle.

The difference in weight is 34g. The "vivo X21i (2018) 128GB" is much lighter, putting less burden on the hand.

vivo Z5i (2019) 128GB

vivo X21i (2018) 128GB

Ease of holding it in one hand59/10066/100
How much it does not feel heavy to hold in one hand24/10046/100
Ease of carrying around57/10061/100

Compare the display of the "vivo Z5i (2019) 128GB" and "vivo X21i (2018) 128GB"

Display of the vivo Z5i (2019) 128GB

The "vivo Z5i (2019) 128GB" uses a IPS LCD liquid crystal. The resolution is 1080 x 2340, and the pixel density is 394ppi. The "vivo Z5i (2019) 128GB" has a 6.53inch 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 0.25inch 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB

vivo X21i (2018) 128GB

How suited is the screen for usual usage?80/10078/100
How suited is the screen to play games on?84/10082/100

Compare the camera performances of the "vivo Z5i (2019) 128GB" and "vivo X21i (2018) 128GB"

Camera performance of vivo Z5i (2019) 128GB

The main camera of the "vivo Z5i (2019) 128GB" has 16.0MP. The front camera has 16.0MP.

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 4MP difference in comparison. The "vivo Z5i (2019) 128GB" also functions better for long-shot photos for the perfect group photo or a picturesque shot of a beautiful location. The "vivo Z5i (2019) 128GB"'s rear camera triumphs as well, boasting a better megapixel count for close-up Instagram-worthy pictures of meals and desserts. Both the "vivo Z5i (2019) 128GB" and the "vivo X21i (2018) 128GB" can be easily used for this kind of purpose.

There is a 8MP 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB

vivo X21i (2018) 128GB

Is is suited to taking far away objects with the rear camera?80/10070/100
Is it suited for taking close objects with the built-in camera?100/100100/100

Comparison of the processing capabilities of the "vivo Z5i (2019) 128GB" and "vivo X21i (2018) 128GB"

The processing capability of the vivo Z5i (2019) 128GB

Performance is defined by the chipset, and the "vivo Z5i (2019) 128GB" uses the Qualcomm SDM675 Snapdragon 675 SoC. The CPU performance is 2.0GHz+1.7GHz×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 Z5i (2019) 128GB" is slightly larger, so "vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB" and the "vivo X21i (2018) 128GB" equally. Both the "vivo Z5i (2019) 128GB" and the "vivo X21i (2018) 128GB" can be easily used for this kind of purpose.

There is basically no difference between "vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB" and the "vivo X21i (2018) 128GB" can be easily used for this kind of purpose.

vivo Z5i (2019) 128GB

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 Z5i (2019) 128GB" and "vivo X21i (2018) 128GB"

Battery performance of vivo Z5i (2019) 128GB

The "vivo Z5i (2019) 128GB" has a battery capacity of 5000.0mAh.

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 1575mAh, 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 "vivo Z5i (2019) 128GB" is also a great choice for those who only use their phone for occasional phone calls or for checking the time. For average daily use, for example looking things up online, SNS, gaming or occasionally checking your screen I can recommend the "vivo Z5i (2019) 128GB" slightly more. Both the "vivo Z5i (2019) 128GB" and the "vivo X21i (2018) 128GB" can be easily used for this kind of purpose.

The battery life of the "vivo Z5i (2019) 128GB" is well equipped to handle long hours of gaming, video playback, and other kinds of frequent daily use. Both the "vivo Z5i (2019) 128GB" and the "vivo X21i (2018) 128GB" can be easily used for this kind of purpose.

vivo Z5i (2019) 128GB

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 Z5i (2019) 128GB" and "vivo X21i (2018) 128GB"

The storage capacity of the vivo Z5i (2019) 128GB

The "vivo Z5i (2019) 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.

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?

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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB" 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. If you want to save long videos or save lots of photos, it does not make much difference whether you choose "vivo Z5i (2019) 128GB" or "vivo X21i (2018) 128GB". Both the "vivo Z5i (2019) 128GB" and the "vivo X21i (2018) 128GB" can be easily used for this kind of purpose.

vivo Z5i (2019) 128GB

vivo X21i (2018) 128GB

Review on the storage capacity when playing many games90/10090/100
Review on when you store many pictures and videos92/10092/100

Which to buy, the "vivo Z5i (2019) 128GB" or "vivo X21i (2018) 128GB"

At the end of the day which is better, the "vivo Z5i (2019) 128GB" or "vivo X21i (2018) 128GB"?

"vivo X21i (2018) 128GB" is easier for the user to hold and is more compact, and so it is recommended. If choosing based on screen size, there is hardly any difference between "vivo Z5i (2019) 128GB" and "vivo X21i (2018) 128GB". There isn't much difference between "vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB

vivo X21i (2018) 128GB

Handling49/10059/100
Display80/10079/100
CPU specs98/10095/100
General rating85/10083/100

Is it recommended to buy the vivo Z5i (2019) 128GB, compared with other smartphones?

Compared to other smartphones, the "vivo Z5i (2019) 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB" and "vivo X21i (2018) 128GB" ?

A summary of the technical specifications of the "vivo Z5i (2019) 128GB" and "vivo X21i (2018) 128GB". Functions and performance variations on the same model will be highlighted in red.

vivo Z5i (2019) 128GBvivo X21i (2018) 128GB
vivo Z5i (2019) 128GBvivo X21i (2018) 128GB
ColorGlazed Black/Jade BlueBlack/Aurora White/Ruby Red/Night Purple
OSAndroidAndroid
Dimensions (width x height x thickness)76.5mm x 162.2mm x 8.9mm75.0mm x 154.4mm x 7.0mm
Weight193.0g159.0g
Display size6.53inch6.28inch
Display typeIPS LCDSuper AMOLED
Screen resolution (width x height)1080 x 23401080 x 2280
Pixel density394ppi401ppi
Battery capacity5000.0mAh3425.0mAh
ChipsetQualcomm SDM675 Snapdragon 675Mediatek MT6771 Helio P60
CPU specs2.0GHz+1.7GHz×8(8.0-cores)2.0GHz+2.0GHz×8(8.0-cores)
RAM size8.0GB6.0GB
Storage size128.0GB128.0GB
Rear-camera resolution16.0MP12.0MP
Front-camera resolution16.0MP24.0MP

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