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Vivo X21 UD (2018) 128GB vs BlackBerry KEY2 128GB: Which is the best?

Created date: 2018-09-30 21:25:47, Updated date: 2021-10-20 17:17:04

vivo X21 UD (2018) 128GBBlackBerry KEY2 128GB
vivo X21 UD (2018) 128GBBlackBerry KEY2 128GB

Which do we recommend after comparing the "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB"? We evaluated the differences between the two models. This article is recommended for those who are trying to choose between the "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB".

vivo X21 UD (2018) 128GBBlackBerry KEY2 128GB
vivo X21 UD (2018) 128GB

BlackBerry KEY2 128GB

General rating:
Griprating-image3.0
59/100
rating-image3.1
61/100
Screen qualityrating-image4.0
79/100
rating-image3.1
61/100
Performancerating-image4.8
96/100
rating-image4.8
96/100
Storage sizerating-image4.5
90/100
rating-image4.5
90/100
Batteryrating-image4.5
90/100
rating-image5.0
100/100
Rear-camera resolutionrating-image3.5
70/100
rating-image5.0
100/100
Front-camera resolutionrating-image5.0
100/100
rating-image4.0
80/100

What is the difference between the "vivo X21 UD (2018) 128GB" and the "BlackBerry KEY2 128GB"? See a detailed comparison of ease of use and performance

Comparison of weight and size of the "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB"

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.

The design of BlackBerry KEY2 128GB

The "BlackBerry KEY2 128GB" is 151.4mm long, 71.8mm wide, and 8.5mm thick. It weighs 160.0g.

Which is the better design to use?

In comparison, the size difference is 3mm in length, 3mm in width, and 1mm in thickness. Both the "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB" are equally easy to use with one hand. Hiragana flick input is basically just as easy to use with "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB". Both the "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB" are basically equally portable and easy to handle.

The difference in weight is 3.8g. There is very little difference in weight between the "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB", meaning that the burden on the hands even when used for a long time is pretty much the same.

vivo X21 UD (2018) 128GB

BlackBerry KEY2 128GB

Ease of holding it in one hand66/10070/100
How much it does not feel heavy to hold in one hand48/10046/100
Ease of carrying around61/10063/100

Compare the display of the "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB"

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.

Display of the BlackBerry KEY2 128GB

The "BlackBerry KEY2 128GB" uses a IPS liquid crystal. The resolution is 1080 x 1620, and the pixel density is 432ppi. The "BlackBerry KEY2 128GB" has a 4.5inch screen size.

Which has a better screen?

This makes a 1.78inch difference in the display sizes. Lining up the displays side by side makes the difference in size clearly visible. The larger display on the "vivo X21 UD (2018) 128GB" is easy on the eyes, making it the better choice for surfing the web or browsing social media. The "vivo X21 UD (2018) 128GB" has the necessary specs for this kind of purpose. In the gaming end, the "vivo X21 UD (2018) 128GB" offers a more suitable screen size. The "vivo X21 UD (2018) 128GB" has the necessary specs for this kind of purpose.

There is very little difference in the clarity of the displays of "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 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. "BlackBerry KEY2 128GB" is comparatively more suited for use with VR as it has a sleeker display. The "BlackBerry KEY2 128GB" has the necessary specs for this kind of purpose.

vivo X21 UD (2018) 128GB

BlackBerry KEY2 128GB

How suited is the screen for usual usage?78/10059/100
How suited is the screen to play games on?82/10041/100

Compare the camera performances of the "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB"

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.

Camera performance of BlackBerry KEY2 128GB

The main camera of the "BlackBerry KEY2 128GB" has 120.0MP. The front camera has 8.0MP.

Which camera performance is better?

The back cameras thus have a 108MP difference in comparison. The "BlackBerry KEY2 128GB" also functions better for long-shot photos for the perfect group photo or a picturesque shot of a beautiful location. The "BlackBerry KEY2 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 X21 UD (2018) 128GB" and the "BlackBerry KEY2 128GB" can be easily used for this kind of purpose.

There is a 4MP difference in front camera pixel number. The "vivo X21 UD (2018) 128GB"'s front camera also works terrifically well with selfie sticks and for capturing distant objects like the background scenery in your selfies. The "vivo X21 UD (2018) 128GB" has the necessary specs 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.

vivo X21 UD (2018) 128GB

BlackBerry KEY2 128GB

Is is suited to taking far away objects with the rear camera?70/100100/100
Is it suited for taking close objects with the built-in camera?100/10080/100

Comparison of the processing capabilities of the "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB"

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.

The processing capability of the BlackBerry KEY2 128GB

Performance is defined by the chipset, and the "BlackBerry KEY2 128GB" uses the Snapdragon 660 SDM660 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. There is very little difference in memory capacity. Both phones are similarly efficient as multitasking tools.

For phone calls, emails, messaging, using SNS or most fundamental features, the differences between the "vivo X21 UD (2018) 128GB" and the "BlackBerry KEY2 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 X21 UD (2018) 128GB" and the "BlackBerry KEY2 128GB" equally. Both the "vivo X21 UD (2018) 128GB" and the "BlackBerry KEY2 128GB" can be easily used for this kind of purpose.

There is basically no difference between "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 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 X21 UD (2018) 128GB" and the "BlackBerry KEY2 128GB" can be easily used for this kind of purpose.

vivo X21 UD (2018) 128GB

BlackBerry KEY2 128GB

Review on the CPU capbility and memory capacity when using Social Networks or the Internet98/10098/100
Review on the CPU speed and the memory capacity while playing 3D games94/10094/100

Comparison of the battery life of the "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB"

Battery performance of vivo X21 UD (2018) 128GB

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

Battery performance of BlackBerry KEY2 128GB

The "BlackBerry KEY2 128GB" has a battery capacity of 3500.0mAh.

Which battery perfomances is better?

This makes a difference in battery capacity of 300mAh, 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 only use it to make phone calls or checking the time there is no large difference between them. 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 "BlackBerry KEY2 128GB" over the "vivo X21 UD (2018) 128GB". Both the "vivo X21 UD (2018) 128GB" and the "BlackBerry KEY2 128GB" can be easily used for this kind of purpose.

The battery life of the "BlackBerry KEY2 128GB" is well equipped to handle long hours of gaming, video playback, and other kinds of frequent daily use. Both the "vivo X21 UD (2018) 128GB" and the "BlackBerry KEY2 128GB" can be easily used for this kind of purpose.

vivo X21 UD (2018) 128GB

BlackBerry KEY2 128GB

Review on the battery life of a phone mainly using Social Networks and the Internet90/100100/100
Review on the battery life of a phone mainly using mainly games and videos78/100100/100

Compare the storage capacity of the "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB"

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.

The storage capacity of the BlackBerry KEY2 128GB

The "BlackBerry KEY2 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 2048.0GB 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 X21 UD (2018) 128GB" or "BlackBerry KEY2 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 X21 UD (2018) 128GB" and the "BlackBerry KEY2 128GB" can be easily used for this kind of purpose.

When the storage added with a SD card is included, then the difference is about 1792GB. Because the speed of loading from or saving to the SD card is slow, it is suited for saving pictures or videos. "BlackBerry KEY2 128GB" is recommended over "vivo X21 UD (2018) 128GB" if you save a lot of movies to watch on your phone, or if you save a lot of photos. Both the "vivo X21 UD (2018) 128GB" and the "BlackBerry KEY2 128GB" can be easily used for this kind of purpose.

vivo X21 UD (2018) 128GB

BlackBerry KEY2 128GB

Review on the storage capacity when playing many games90/10090/100
Review on when you store many pictures and videos92/10099/100

Which to buy, the "vivo X21 UD (2018) 128GB" or "BlackBerry KEY2 128GB"

At the end of the day which is better, the "vivo X21 UD (2018) 128GB" or "BlackBerry KEY2 128GB"?

When it comes to being easy to handle and carry around, there is hardly any difference between "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB". Its perfect screen size of 6.28inch makes the "vivo X21 UD (2018) 128GB" a lot easier to use. There isn't much difference between "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 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 X21 UD (2018) 128GB

BlackBerry KEY2 128GB

Handling59/10061/100
Display79/10061/100
CPU specs96/10096/100
General rating81/10081/100

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.

Is it recommended to buy the BlackBerry KEY2 128GB, compared with other smartphones?

Compared to other smart phones, the "BlackBerry KEY2 128GB" has a size that is easy to hold, and looks compact. It can be easily operated with one hand. The screen size is comparable to that of standard smartphones, so it is suited for doing internet searches and browsing or for simple SNS messaging. 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 "BlackBerry KEY2 128GB" is a high-end smart phone.

What are the spec differences between the "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB" ?

A summary of the technical specifications of the "vivo X21 UD (2018) 128GB" and "BlackBerry KEY2 128GB". Functions and performance variations on the same model will be highlighted in red.

vivo X21 UD (2018) 128GBBlackBerry KEY2 128GB
vivo X21 UD (2018) 128GBBlackBerry KEY2 128GB
ColorBlack/Ruby RedBlack
OSAndroidAndroid
Dimensions (width x height x thickness)74.8mm x 154.5mm x 7.4mm71.8mm x 151.4mm x 8.5mm
Weight156.2g160.0g
Display size6.28inch4.5inch
Display typeSuper AMOLEDIPS
Screen resolution (width x height)1080 x 22801080 x 1620
Pixel density401ppi432ppi
Battery capacity3200.0mAh3500.0mAh
ChipsetQualcomm SDM660 Snapdragon 660Snapdragon 660 SDM660
CPU specs2.2GHz+1.8GHz×8(8.0-cores)2.2GHz+1.8GHz×8(8.0-cores)
RAM size6.0GB6.0GB
Storage size128.0GB128.0GB
Rear-camera resolution12.0MP120.0MP
Front-camera resolution12.0MP8.0MP

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